dataset
string
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medmcqa
medmcqa_5993
Which of he following devices doesn’t use the principle of fluorescence in diagnosis of caries
[ "Diagnodent", "QLF", "FOTI", "Soprolife" ]
DIAGNOdent is an instrument designed to facilitate the detection  and  quantification  of  dental  caries  on  occlusal and smooth surfaces (Kaltenbach & Voigt GmbH & Co., Biberach/Riss,  Germany). It  uses  a  diode  laser light source and a fibreoptic cable that transmits the light to a handheld probe with a fibreopt...
C
null
medmcqa
medmcqa_53995
Veroca.) bodies are seen in:
[ "Meningioma", "Hemangioma", "Glioma", "Schwannoma" ]
Ans. d. Schwannoma
D
null
medmcqa
medmcqa_42202
According to JJ Act 2000, juvenile is boy and girl respectively less than: NEET 13
[ "16 and 18", "18 and 21", "14 and 16", "18 and 18" ]
Ans. 18 and 18
D
null
medmcqa
medmcqa_40849
What is the treatment of choice for myoclonic epilepsy in children -
[ "Phenytoin", "Phenobarbitone", "Sodium valproate", "Ethosuximide" ]
Ans. is 'c' i.e., Sodium valporate DOC for myoclonic epilepsy is valproic acid.
C
null
medmcqa
medmcqa_3889
Actions of the lumbricals are-
[ "Flexion at PIP and extension at DIP joints", "Flexion at metacarpophalangeal and extension at PIP joints", "Adduction of fingers", "Abduction of fingers" ]
Ans. is 'b' i.e., Flexion at metacarpophalangeal and extension at PIP joints Action of small muscles in handLumbricalsFlexion at metacarpophalangeal(MCP) and extension at PIP jointsDorsal InterosseiAbduction of fingersPalmar InterosseiAdduction of fingers
B
null
medmcqa
medmcqa_40809
Thiopentone is contraindicated in ?
[ "Acute intermittant porphyria", "Electro convulsive therapy", "Sarcoidosis", "Diabetic patients" ]
Ans. is 'a' i.e., Acute intermittant porphyria Thiopentone It is an ultrasho acting barbiturate. It has sho duration of action due to rapid redistribution. It causes fall in BP due to vasodilatation - Cardiovascular collapse may occur if hypovolemia, shock or sepsis are present. It can cause respiratory depression. It ...
A
null
medmcqa
medmcqa_31800
Features of cystinuria are -
[ "Impaired proximal tubular reabsorption of cystin", "Autosomal recessive", "Recurrent renal stone", "All of above" ]
Ans. is 'd' i.e., All of above Cystineuriao Metabolic disorder of autosomal recessive inheritance.o Defect in transport of cystine and some other aminoacid across renal tubular ceil & interstitial cell,o Selective increase renal clearance of cystine and other basic aminoacid in urine.o High urinary cystine leads to rad...
D
null
medmcqa
medmcqa_12721
In Mitral valve prolapse, HPE shows -
[ "Hyaline degeneration", "Elastic degeneration", "Myxomatous degeneration", "Fibrinoid necrosis." ]
null
C
null
medmcqa
medmcqa_7946
A young male presented with Hypo anesthetic patch on right forearm. On examination a thickened nerve was palpable. Histopathology shows the following:
[ "TT Leprosy", "LL Leprosy", "Lymphoma", "Histiocytosis" ]
Ans. A. TT LeprosyTuberculoid leprosy (TT):a. One or few, asymmetrically located lesionsb. Well defined, hypo-pigmented, anesthetic macules or plaques, often with active border.c. The lesions show hair loss and impairment of sweatingd. A superficial feeder nerve or single regional nerve is often thickened and may even ...
A
null
medmcqa
medmcqa_23182
The most common mechanical failure for metal-ceramic restorations is
[ "Debonding of the porcelain from the metal.", "Shrinkage of the porcelain at mouth temperature.", "Debonding of the PFM from the tooth.", "None of the above" ]
null
A
null
medmcqa
medmcqa_46092
|An 18-year-old female gymnast is admitted to the hospital with pelvic pain. Physical examination reveals that the patient has a history of primary amenorrhea and an imperforate hymen. Which of the following is the most likely explanation for this condition?
[ "Failure of the vaginal plate to canalize", "Cervical atresia", "Patent processus vaginalis", "Androgen insensitivity syndrome" ]
The vaginal plate, which arises from the sinovaginal bulbs, undergoes canalization during embryonic development. Failure of canalization results in a persistent vaginal plate and thus imperforate hymen. The hymen is a fold of mucous membrane that covers the opening of the vaginal canal. It is often torn early in life. ...
A
null
medmcqa
medmcqa_12103
A chromatographic technique which separates one protein from another based on the difference in their size is
[ "Size exclusion chromatography", "Ion-exchange chromatography", "Hydrophobicity", "Affinity chromatography" ]
Chromatographic techniques separate one protein from another based on the difference in their size (size exclusion chromatography), charge (ion-exchangechromatography), hydrophobicity (hydrophobic interaction chromatography), or ability to bind a specific ligand (affinity chromatography).Ref: Harper&;s Biochemistry; 30...
B
null
medmcqa
medmcqa_36030
The most common nerve involved in volkmann's ischemic contracture or forearm includes:
[ "Radial", "Ulnar", "Median", "Posterior interosseous" ]
Volkmann's ischemic contracture most commonly involve flexor digitorum profundus muscle and median nerve. Ref: Tachdjian's Pediatric Ohopedics 3/e, Page 2139-77, 2060; Rockwood and Green's Fracture in Children 6/e, Page 543-86; Apley's 8/e, Page 596-99, 563-64; Watson Jones : Fracture and Joint injuries 6/e, Page 591-6...
C
null
medmcqa
medmcqa_13355
Which of the following drug is used for reversal of cerebral vasospasm and infarct following subarachnoid hemorrhage?
[ "Nimodipine", "Amlodipine", "Diltiazem", "Verapamil" ]
Calcium Channel Blockers (CCBs) These are the drugs that block L-type of voltage gated calcium channels present in blood vessels and hea. Three groups of CCBs include phenylalkylamines (verapamil, nor-verapamil), benzothiazepines (diltiazem) dihydropyridines (nifedipine, nicardipine, nimodipine, nisoldipine, nitrendipi...
A
null
medmcqa
medmcqa_5556
Cryoprecipitate is rich in which of the following clotting factors:
[ "Factor II", "Factor V", "Factor VII", "Factor VIII" ]
Cryoprecipitate is a source of Fibrinogen (factor I), Factor VIII and Von-Willebrand factor. Treatment of choice for Hemophilia A, von Willebrand disease and hypofibrinogenemic states. If factor VIII is unavailable, cryoprecipitate may be an alternative, since each unit contains about 80 IU of factor VIII.
D
null
medmcqa
medmcqa_47165
Syln point is related to ?
[ "Squamous pa", "Petrous pa", "Tympanic pa", "Mastoid pa" ]
Ans. is 'a' i.e., Squamous pa The pterion is situated in the floor of temporal fossa. It is an H-shaped suture, where four bones meet each other :? i) Greater wing of sphenoid ii) Squamous temporal iii) Frontal iv) Anterioinferior angle of parietal Central point of pterion is known as Syln point. the cranium is very th...
A
null
medmcqa
medmcqa_7939
Which of these is the most impoant indication for Strassmans Metroplasty done for a bicornuate uterus?
[ "Infeility", "Menorrhagia", "Repeated early pregnancy losses", "Associated vaginal atresia" ]
Habitual aboion is the most impoant indication for surgical treatment of women who have a double uterus. The aboion rate in women who have a double uterus is to three times greater than that of the general population. Best diagnosis of the condition is made by laparohysteroscopy. Strassmans Metroplasty
C
null
medmcqa
medmcqa_8250
Testosterone production is mainly contributed by -
[ "Leydig cells", "Sertoli cells", "Seminiferous tubules", "Epididymis" ]
Ans. is 'a' i.e.. Ley dig cells o Androgens (including testosterone) are produced by ley dig cells (interstitial cells).o Leydig cells have receptors for LH and secrete androgens, i.e. Testosterone, dihydrotestosterone (DHT), androstenedione, and dehydroepiandrosterone (DHEA).o Sertoli cells have receptors for FSH and ...
A
null
medmcqa
medmcqa_41806
Which of the nerve fiber carry pain:
[ "A-Alpha", "A-Beta", "A-Gamma", "C-fibers" ]
Ans. D C-fibersRef: Gationg, 25th ed. pg. 94; Guyton Physiology, 11th ed. pg. 576-577* Pain is carried by A d and C fibres* General classification of Nerve Fibers# In the general classification, the fibers are divided into types A, B and C. Type A fibers are further subdivided into abg and d fibers.# Type A fibers are ...
D
null
medmcqa
medmcqa_16891
A man dies after 5 days of suffering a myocardial infarction. What will the hea biopsy show?
[ "Liquifactive necrosis", "Caseous necrosis", "Coagulative necrosis", "Fibrinoid necrosis" ]
Coagulative necrosis is a form of necrosis in which the underlying tissue architecture is preserved for at least several days. The affected tissues take on a firm texture. Presumably the injury denatures not only structural proteins but also enzymes, thereby blocking the proteolysis of the dead cells; as a result, eosi...
C
null
medmcqa
medmcqa_28334
EKG finding of ventricular premature beats-
[ "Fusion beat", "Narrow QRS complex", "AV Dissociation", "Wide QRS complex" ]
PVCs are characterized by premature and bizarrely shaped QRS complexes that are unusually long (typically >120 msec) and appear wide on the electrocardiogram (ECG). These complexes are not preceded by a P wave, and the T wave is usually large and oriented in a direction opposite the major deflection of the QRS. pvc is ...
D
null
medmcqa
medmcqa_42129
Nodular scabies is found in –
[ "Web space of finger", "Axilla", "Abdomen", "Scrotum" ]
Nodular scabies is an atypical form of scabies that presents as itchy nodules over scrotum & penis.
D
null
medmcqa
medmcqa_36499
Good-pasture syndrome is characterized by -
[ "Anti GBM antibody", "Crescents", "Diffuse alveolar damage", "All of the above" ]
null
D
null
medmcqa
medmcqa_52071
Which is not an indication for walking bleach:
[ "Discolouration of the pulp chamber.", "Defective enamel formation.", "Dentin discolouration.", "None." ]
null
B
null
medmcqa
medmcqa_21632
A 40 years old female presents with fever, fatigue, diffuse painful swelling in the midline of the neck. FNAC revealed epitheloid cells & giant cells. What is the most likely diagnosis?
[ "Acute thyroiditis", "Subacute thyroiditis", "Tubercular lymphadenitis", "Hashimoto's thyroiditis" ]
Subacute Thyroiditis Aka DE QUERVAIN'S thyroiditis Aka Viral thyroiditis Aka Granulomatous thyroiditis Aka Giant cell thyroiditis Characterized byUpper respiratory tract infection caused by virus| leading to Granulomatous inflammation | leading toFollicular destruction & giant cell formation Associated with HLA B-35 NS...
B
null
medmcqa
medmcqa_44229
Treatment option for keratoconus includes:
[ "Spectacles", "Contact lens", "Kerotoplasty", "ALL" ]
A. i.e. Spectacles; B. i.e. Contact lens; C. i.e. Keratoplasty
D
null
medmcqa
medmcqa_52655
Which of the following organism, when isolated in the blood, requires the synergistic activity of penicillin + amino glycoside for appropriate therapy :
[ "Enterococcus faecalis", "Staph. aureus", "Streptococcus pneumoniae", "Bacteriodes fragilis" ]
See the following line. “Unlike streptococci, enterococci are not reliably killed by penicillin or ampicillin alone. Because in vitro testing has shown evidence of synergistic killing by combination of penicillin or ampicillin with an amminoglycoside, combined therapy is recommended for enterococcal endocarditis and me...
A
null
medmcqa
medmcqa_11544
Measurements of intravacular pressure by a pulmonary aery catheter should be done:
[ "At end expiration", "At peak of inspiration", "During mid inspiration", "During mid expiration" ]
Answer is A (At end expiration): The changes in intrathoracic pressure that occur during different phases of respiration influence measurement of intravascular pressure. These changes are minimal at end expiration which therefore is the best phase for measurement of intravascular pressure.
A
null
medmcqa
medmcqa_14866
Fetal middle cerebral artery Doppler is most useful in the evaluation of -
[ "intrauterine growth restriction", "Preeclampsia", "Fetal anemia", "Fetal metabolic disorders" ]
Ans-CMCA - PSA for fetal anemia in Rh- pregnancy.
C
null
medmcqa
medmcqa_17802
How many axes in DSM 4
[ "2", "3", "4", "5" ]
ICD ICD mentions International classification of mental and behavioural disorders this was given by WHO( World health Organisation) ICD is used all over the world except America latest edition of ICD is ICD11 ICD 11 was released in 2018 DSM DSM mentions Diagnostic and Statistical manual of mental disorders this was giv...
D
null
medmcqa
medmcqa_52537
A 10 years child has unilateral nasal obstruction epistaxis, swelling over cheek, the diagnosis is -
[ "Nasal polyp", "Nasopharyngeal carcinoma", "Angiofibroma", "Foreign bodies" ]
null
C
null
medmcqa
medmcqa_37048
The appropriate media culture for a gram negative coccobacilli arranged in a school of fish , that causes STD with genital ulcers is
[ "Thayer Main media", "Blood agar with X and V factors", "Chocolate agar with isovitale X", "Tellurite blood agar" ]
Chocolate agar enriched with 1%isovitalex is used to grow H.ducreyi.
C
null
medmcqa
medmcqa_4629
The drug of choice for the treatment of Thyrotoxicosis during pregnancy is:
[ "Carbimazole", "Iodine therapy", "Propyl thiouracil", "Metimazole" ]
Ans. is 'c' i.e. propylthiouracilRef.: K.D. T. 5th/e p 232, 4th/e p 259, 260This question has been repeated several times before, remember these important pointsAll antithyroid drugs can cross placenta so risk of fetal hypothyroidism and goitre is always thereBoth carbimazole and propylthiouracil can be used during pre...
C
null
medmcqa
medmcqa_9458
Displaced transverse patella, Rx is:
[ "Patellectomy", "Tension band wiring", "POP cast", "Non operative" ]
B i.e. Tension band wiring Fracture Patella The mechanical function of patella is to hold the entire extensor strap away from the centre of rotation of knee, there by lengthening the anterior lever arm and increasing the efficiency of the quadriceps.
B
null
medmcqa
medmcqa_47866
A 63-year-old man developed a transient episode of vertigo, slurred speech, diplopia, and paresthesia. He is symptom-free now, and clinical examination is entirely normal. His past medical history is significant for hypertension and dyslipidemia. Which of the following is the most likely cause for symptoms?
[ "posterior circulation transient ischemic attack (TIA)", "anterior communicating artery aneurysm", "hypertensive encephalopathy", "pseudobulbar palsy" ]
Posterior circulation TIA is suggested by the transient episodes. The basilar artery is formed by the two vertebral arteries and supplies the pons, the midbrain, and the cerebellum. With vertebrobasilar TIAs, tinnitus, vertigo, diplopia, ataxia, hemiparesis, and bilateral visual impairment are common findings.
A
null
medmcqa
medmcqa_11821
Propofol is used as the drug of choice for inducing anesthesia in which of the following situation?
[ "Neurosurgery", "Day care surgery", "Cardiac surgery", "In neonates" ]
It is the induction agent of choice in day care surgery. The half life is 100 minutes, but the clinical effects of a single dose of propofol lasts only for 10 minutes due to its rapid redistribution. It has minimal residual impairment, anti emetic and anti pruritic propey, making it a suitable drug for day care surgery...
B
null
medmcqa
medmcqa_23633
A newborn child is presenting with regurgitation of all feeds and, develops coughing and cyanosis with feeding. Most probable diagnosis is
[ "CHPS", "Esophageal atresia", "Hirschsprug disease", "Achalasia" ]
Answer-B. Esophageal atresiaEsophageal atresia is the most common congenital anamoly of the esophagus.More than goT are associated with tracheo esophageal fistula.The most common variety is the one where upper pa of esophagus ends blindly and the lower pa is connected to trachea by a fistula, TEF should be suspected in...
B
null
medmcqa
medmcqa_32236
Sequence of amino acid in collagen ?
[ "Ala-X-Y", "Lys-X-Y", "Gly-X-Y", "His-X-Y" ]
In order to form a triple-helix, a polypeptide chain (a-chain) must contain glycine as every third residue in the sequence.This is because only the glycine is small enough to be accommodated in the limited space available down the central core of the triple helix.Each turn of polypeptide chain (a-chain) contains three ...
C
null
medmcqa
medmcqa_37064
In Bell's palsy, neurological lesion is seen in
[ "Upper pa of face", "Upper and lower pa of one half of face", "Lower pa of one-half of face", "Upper and lower pa of opposite side of face" ]
C/f of Bell's Palsy : Onset is sudden. Patient is unable to close his eye. Neurological lesion is seen in Upper and lower pa of one half of face On attempting to close the eye, eyeball turns up and out (Bell's phenomenon). Saliva dribbles from the angle of mouth. Face becomes asymmetrical Tears flow down from the eye (...
B
null
medmcqa
medmcqa_48550
Which of the following parasite does not enter into the body by skin penetration -
[ "Dracunculus", "Necatar americanus", "Ancylostoma duodenale", "Stronglyoides" ]
Human becomes infected by drinking unfiltered water containing infective cyclops The third stage larvae is infective form and is present in the haemocoele of these infected cyclops. When infective cyclops are digested by gastric acidity and the larvae are released (refer pgno:175 baveja 3 rd edition)
A
null
medmcqa
medmcqa_7106
The process underflying differences in expression of a gene, according to which parent has transmitted, is called
[ "Anticipation", "Mosiacism", "Non-penetrance", "Genomic imprinting" ]
Genomic imprinting is an epigenetic phenomenon that causes genes to be expressed in a parent-of-origin-specific manner. Reference: GHAI Essential pediatrics, 8th edition
D
null
medmcqa
medmcqa_842
Best endometrial reaction In ectopic pregnancy is :
[ "Arias stella reaction", "Secretory phase", "Decidual reaction without chorionic villi", "Decidual reaction with chorionic villi" ]
Decidual reaction without chorionic villi
C
null
medmcqa
medmcqa_31859
Most prominent spinous process is of which vertebra?
[ "C6", "C7", "L1", "T12" ]
Ans. b (C7). (Ref. BD Chaurasia, Anatomy, Vol 3, 2nd/pg.35)Importance of certain cervical vertebral levelCs-C6Most common disc space reduced in cervical spondylosis.C6has prominent bony tubercle called Chassaignae's tubercle at the level of cricoid cartilage (a level where trachea ends).C7is also known as vertebra prom...
B
null
medmcqa
medmcqa_35602
Frankel behaviour rating system does not include following behaviour:
[ "Definitely positive", "Definitely negative", "Positive", "Indifferent" ]
null
D
null
medmcqa
medmcqa_50733
"Poers of Infection" are -
[ "Anopheles", "Housefly", "Aedes", "Cockroaches" ]
Houseflies are commonest and familiar insects which live close to man. House flies are exceptionally efficient mechanical spreaders of disease. They transpo microorganisms on their feet and hairy leg. Pathogenic organisms, ova, and cysts have been recovered from bodies of the housefly. House flies are called 'poers of ...
B
null
medmcqa
medmcqa_22665
A 25-year-old man presents with 3 days history of pain in the right lower abdomen and vomiting. Patient's general condition is satisfactory and clinical examination reveals a tender lump in right iliac fossa. The most appropriate management in this case would be:
[ "Immediate appendicectomy", "Exploratory laparotomy", "Ochsner-Sherren regimen", "External drainage" ]
Ans. (c) Ochsner-Sherren regimenRef: Bailey and Love 26th edition, Page 1211* This is a case of appendicular mass -- hence conservative regimen is followed.* In a case of appendicular mass if we try to do appendectomy it may result in fistula
C
null
medmcqa
medmcqa_44671
A metastatic carcinoma in the brain of an adult most often comes from a primary in the -
[ "Stomach", "Ovary", "Oral cavity", "Lung" ]
answer: D
D
null
medmcqa
medmcqa_40511
The Dane particle is the
[ "HBV", "IgG anti HAV", "Delta Virus", "HBC Ag" ]
null
A
null
medmcqa
medmcqa_7823
An elderly diabetic has left sided orbital cellulitis, CT scan of paranasal sinuses shows evidence of left maxillary sinusitis. A Gram-stained smear of the orbital exudates shows irregularly branching septate hyphae. The following is the most likely aetiological agent
[ "Aspergillus", "Rhizopus", "Mucor", "Candida" ]
Infection caused by inhalation of the Aspergillus conidia or mycelial fragments resulting in respiratory diseases, disseminated aspergillosis in brain, kidney and hea.and superficial infection like sinusitis, mycotic keratitis and otomycosis. Sinusitis is caused by A.flavus and A.fumigatus On microscopy, it shows non p...
A
null
medmcqa
medmcqa_18219
Average mercury content in well condensed amalgam should not exceed:
[ "30%", "40%", "50%", "60%" ]
null
C
null
medmcqa
medmcqa_44461
Child requiring repeated sho acting bronchodilators and what could be next line of management ?
[ "Methylxanthines", "Sho acting budesonide", "Oral prednisolone", "Montelukast" ]
Ans. is 'b' i.e., Sho acting budesonide o Tolerance is a potential problem with b2-agonists. o So, b2 agonists should not be used on any regular schedule --> due to tolerance, bronchial hyperactivity not reduced on continous use. o It is advised that patients requiring regular medication should be treated with inhaled ...
B
null
medmcqa
medmcqa_23944
Treatment of strangulated hernia is:
[ "Observation", "Immediate surgery", "Manual reduction", "Analgesics" ]
Ans: b (Immediate surgery)Ref: Bailey & Love, 24th ed, p. 1279 & 23rd ed, p. 1150
B
null
medmcqa
medmcqa_42535
The most common type of Glomerulonephritis occurs in HIV infection is
[ "FSGS", "RPGN", "ADP-GN", "MPGN" ]
(A) FSGS GLOMERULONEPHRITISCINICAL FEATURESETIOLOGY* ADP-GN* Nephritic syndrome* Post-streptococcal (2/3rd cases)Diffuse proliferative GN* Gross hematuria + edema + hypertension* Leprosy, ABE, SBEAcute GN* Oliguria* RBC cast: most specific* RPGN (Crescentic GN)* Sub acute RF* Nephritic syndrome* Complement level Normal...
A
null
medmcqa
medmcqa_23038
Drug of choice for prophylaxis of meningococcal meningitis is :
[ "Penicillin", "Erythromycin", "Septran", "Rifampicin" ]
null
D
null
medmcqa
medmcqa_10994
Which is false regarding an Anganwadi worker -
[ "Pa time worker", "Undergoes 4 month training", "1 for 1000 children", "Selected from the community itself" ]
The anganwadi worker is selected from the community she is expected to serve She undergoes training in various aspects of health,nutrition,and child development for 4 months She is a pa time worker and is paid an honorarium of Rs.1500 per month (Refer pgno:903 park 23rd edition)
D
null
medmcqa
medmcqa_37720
Swan Ganz Catheter is used to measure -
[ "Mean arterial pressure", "Cardiac output", "Blood volume", "Pulmonary capillary wedge pressure" ]
Ans. is 'd' i.e., Pulmonary capillary wedge pressure o Swan Ganz catheter (pulmonary artery catheter) allows direct and simultaneous measurement of -i) Pulmonary capillary wedge pressure <left atrial pressure).ii) Right atrial pressure.iii) Right ventricular pressure.iv) Pulmonary' artery pressure.
D
null
medmcqa
medmcqa_14978
Histological features of chronic hepatitis -a) Fibrosis of porta hepatisb) Architectural changesc) Bridging necrosisd) Ballooning degenerations
[ "ac", "bc", "ad", "b" ]
In chronic hepatitis : Liver architecture is usually well preserved. Portal zones infiltrated with lymphocytes and plasma cells and there is fibrosis of porta hepatis. Bridging necrosis seen by linking of fibrous septa between the lobules. Ballooning degeneration is seen in Acute hepatitis.
A
null
medmcqa
medmcqa_20910
Pain is carried to
[ "Ventralhom", "Dorsal horn", "Substantia nigra", "None of the above" ]
Neurons in the spinal dorsal horn process sensory information, which is then transmitted to several brain regions, including those responsible for pain perception. The dorsal horn provides numerous potential targets for the development of novel analgesics and is thought to undergo changes that contribute to the exagger...
B
null
medmcqa
medmcqa_43666
Smoking is not a risk factor for ?
[ "Lung carcinoma", "Osteoporosis", "Nonunion of bones", "Alzhiemers disease" ]
Ans. is 'd' i.e., Alzhiemers disease Smoking is not a risk factor for the development of alzhiemers disease
D
null
medmcqa
medmcqa_41545
Multidrug resistance in TB is defined as resistance to
[ "Streptomycin, Rifampicin and Isoniazid", "Isoniazid and Rifampicin", "Streptomycin and Rifampicin", "Streptomycin and Isoniazid" ]
Multidrug Resistant TB (MDR-TB): Resistance to Isoniazid and Rifampicin “with or without resistance to other drugs‘ Treatment of MDR-TB must be done on the basis of sensitivity testing Directly observed therapy certainly helps to improve outcomes and should be considered an integral part of the treatment of MDR-TB. E...
B
null
medmcqa
medmcqa_42657
Foramen ovale closes because of fusion of -
[ "Septum primum + Endocardial cushion", "Septum secundum + Endocardial cushion", "Septum primum + Septum secundum", "None" ]
null
C
null
medmcqa
medmcqa_53574
Ectopic ACTH syndrome is seen most commonly with
[ "Renal cell carcinoma", "Lymphoma", "Bronchogenic carcinoma", "Pituitary adenoma" ]
* Ectopic ACTH production is predominantly caused by occult carcinoid tumors, most frequently in the lung, but also in thymus or pancreas. * Advanced small cell lung cancer can cause ectopic ACTH production. In rare cases, ectopic ACTH production has been found to originate from medullary thyroid carcinoma or pheochrom...
C
null
medmcqa
medmcqa_25401
Black fly Transits
[ "Filaria", "Onchocerciasis", "Changes disease", "Oroya fever" ]
null
B
null
medmcqa
medmcqa_4712
When considering the axilla, which of the following statements is accurate?
[ "Pectoralis major and minor contribute to the anterior wall.", "The long thoracic nerve runs on the posterior wall.", "Teres minor forms the lower pa of the posterior wall.", "The axillary aery lies anterior to the axillary sheath." ]
a. The anterior wall of the axilla is formed by pectoralis major and minor, subclavius and the clavipectoral fascia. Explanationsb. The long thoracic nerve runs superficial to serratus anterior on the medial wall. c. The posterior wall consists of subscapularis, teres major and latissimus dorsi. d. The axillary aery ru...
A
null
medmcqa
medmcqa_29361
Normal capacity of renal pelvis is
[ "7 ml", "12 ml", "15 ml", "20 ml" ]
The renal pelvis is roughly pyramidal, with the base facing the parenchyma and the apex funneling down into the ureter. It usually has a capacity of 3 to 10 mL of urine. ref : campbell - walsh urology 11th ed , chapter 42 , pg no : 973
A
null
medmcqa
medmcqa_49819
A 28-year-old G1, PO 26-wk pregnant woman is seen in the OB clinic. She has a past history of bronchial asthma that has been well controlled for the last year by inhaled steroids. She states that she has noted increasing shoness of breath for the last 3 days. On examination, she appears tachypneic and moderately uncomf...
[ "Acute anxiety", "Pulmonary embolism", "Acute exacerbation of bronchial asthma", "High-output hea failure" ]
The PA show normal lung parenchyma. There are no mediastinal nodes or masses. The cardiophrenic and costophrenic angles are clear. Also, on the lateral view there is an enlarged left main pulmonary aery pressing over the LUL bronchus. Calcified hilar nodes are noted. This is a classic example of a clinical scenario wit...
B
null
medmcqa
medmcqa_29582
In a programme, results analyzed in comparison to cost is known is -
[ "Cost benefit analysis", "Management by objectives", "Cost-effective analysis", "Cost utility study" ]
- cost effective analysis express the benefits in terms of results achieved rather than monetary terms. - more promising tool for application in the health field. Reference : Park&;s textbook of preventive and social medicine, 23rd edition, pg no:871 <\p>
C
null
medmcqa
medmcqa_38776
Integrins are associated with all except
[ "Rolling", "Adhesion", "Arrest", "Transmigration of cells" ]
Rolling is associated with selectins Integrins are associated with adhesion, arrest, transmigrationRobbins 9th /e p 76
A
null
medmcqa
medmcqa_20660
One of the following is considered to be the key regulatory enzyme of glycolysis
[ "Hexokinase", "Phosphofructokinase", "Phosphoglycerate kinase", "Pyruvate kinase" ]
Phosphofructokinase is both inducible and subject to allosteric regulation and has a major role in regulating the rate of glycolysis.These reactions, catalyzed by hexokinase (and glucokinase), phosphofructokinase, and pyruvate kinase, are the major sites of regulation of glycolysis.Phosphofructokinase is considered key...
B
null
medmcqa
medmcqa_23696
The syndromic management of urethral discharge includes
[ "Neisseria gonorrhoeae and herpes genitalis", "Chlamydia trachomatis and herpes genitalis", "Neisseria gonorrhoeae and Chlamydia trachomatis", "Syphilis and chancroid" ]
Ans. c. Neisseria gonorrhoeae and Chlamydia trachomatisSyndromic ManagementUrethral discharge: Neisseria gonorrhoeae and Chlamydia trachomatisGenital ulcer disease: Syphilis and Chancroid
C
null
medmcqa
medmcqa_48967
Proximal tubular dysfunction is seen in all of the following disorders EXCEPT?
[ "Pompe disease", "Lowe syndrome", "Cystinosis", "Fabry disease" ]
Proximal tubular dysfunction is seen in: Pompe disease Lowe syndrome Cystinosis Galactosemia. Fabry disease : Distal tubular dysfunction
D
null
medmcqa
medmcqa_49166
Which of the following statements about contrast in radiography is true:
[ "Ionic monomers have three iodine atoms per two paicles in solution", "Osmolar contrast agents may be ionic or non ionic", "Gadolinum may cross the blood brain barrier", "lohexol is a high osmolar contrast media" ]
A i.e. Ionic monomers have three iodine atoms per two paicles in solution Ionic contrast agents dissociate (ionize) in water in 2 ioins (or osmotic paicles) per molecule whereas nonionic agents do not ionize or dissociate. All monomers contain I benzene ring with 3 iodine atoms and dimers contains 2 benzene rings with ...
A
null
medmcqa
medmcqa_54826
Test for RNA:-
[ "Nohern blot", "Southern blot", "Immuno blot", "South-Western blot" ]
Nohern Blotting detects RNA. Nohern blot - RNA Southern blot- DNA Western blot- Proteins See treasure for details
A
null
medmcqa
medmcqa_44782
Dye used for "Myelography" is:
[ "Conray 320", "Myodil", "Dianosil", "Iopanoic acid" ]
Myodil
B
null
medmcqa
medmcqa_33421
Reactivation of TB most commonly located near:
[ "Apex", "Near bronchus", "Subpleurally", "Base" ]
null
A
null
medmcqa
medmcqa_35222
Down's syndrome is associated with all except
[ "Retrognathia", "Periodontal disease", "Premature loss of deciduous teeth", "Delayed eruption of deciduous teeth" ]
null
A
null
medmcqa
medmcqa_27870
Diabetic cataract occurs to accumulation of -
[ "Glucose", "Fructose", "Galactitol", "Sorbitol" ]
Ans. is 'd' i.e., Sorbitolo Cataract is considered as a major cause of visual impairment in diabetic patients. Senile cataract tends to develop at an earlier age and more rapidly than usual in diabetic patients.o The enzyme aldolase reductase catalyzes the reduction of glucose to sorbitol through the polyol pathway, a ...
D
null
medmcqa
medmcqa_35640
Which of the following indicator is used for growth monitoring at Anganwadi centre?
[ "Height for age", "Mid arm circumference", "Weight for age", "Height for weight" ]
ANGANWADI CENTRE ICDS GROWTH CHA Nutritional staus of the child is assessed against Weight for age Separate chas for girls and boys 3 zones: Normal zone (grey), Under-nutrition below -2 SD (light grey), severe underweight below-3 SD (dark grey).
C
null
medmcqa
medmcqa_34961
Localization of an object is done by
[ "Paralleling technique", "Bisecting angle technique", "Tube shift technique", "Occlusal technique" ]
null
C
null
medmcqa
medmcqa_47313
When a 'spontaneous perforation' of the esophagus occurs as a result of severe barotrauma while a person vomits against a closed glottis, what is the condition known as -
[ "Mallory-Weiss syndrome", "Plummer Vinson syndrome", "Kartagener syndrome", "Boerhaave syndrome" ]
null
D
null
medmcqa
medmcqa_10133
Hormonal treatment is given for which of the following malignancy -
[ "Chorio Carcinoma", "Carcinoma prostate", "Hepatoma", "Teratoma" ]
Ans. is 'b' i.e., Carcinoma prostate
B
null
medmcqa
medmcqa_2418
Keratoacanthoma is -
[ "A type of basal cell carcinoma", "Infected sebaceous cyst", "Self healing nodular lesion with central ulceration", "Pre-malignant disease" ]
• Keratoacanthoma is self healing nodular lesion with central ulceration • More common in men, usually found on the face of 50–70 years old. • Lesions can grow to 1–3 cm over 6 weeks and typically resolve spontaneously over the subsequent 6 months. Etiopathogenesis • Classically a cup-shaped growth that exhibits symmet...
C
null
medmcqa
medmcqa_24116
Weakness of both Adduction and abduction is seen in:
[ "Duane's retraction syndrome type 1", "Duane's retraction syndrome type 2", "Duane's retraction syndrome type 3", "Double elevator palsy" ]
Ans. c. Duane's retraction syndrome type 3 (Ref: Kanski 5/e p548; Khurana 5/e p355)Weakness of both adduction and abduction is seen in Duane's retraction syndrome type 3.Duane's Retraction SyndromeCongenital strabismus that is usually caused by failure of normal development of the abducens nerve.Absence of the abducens...
C
null
medmcqa
medmcqa_13431
A patient having infertility is found to have bilateral cornual block on investigations. Best treatment that can be offered to her would be:
[ "In vitro fertilization", "Tuboplasty", "Hydrotubation", "Laparoscopy & hysteroscopy" ]
Ans. A. In vitro fertilizationInvitro Fertilization is offered to those women who have irreparable / failed tubal damage.a. Depending on site of block, Tuboplasty is performed with successful pregnancy rate of 27% for fimbrial & 50% for isthmic.b. Thus, Transvaginal tubal catheterization or hysteroscopy and Tuboplasty ...
A
null
medmcqa
medmcqa_74
Baclofen is:
[ "Centrally acting muscle relaxant", "Peripherally acting muscle relaxant", "Both centrally and peripherally acting muscle relaxant", "Direct acting muscle relaxant" ]
Baclofen is a centrally acting muscle relaxant . Baclofen is primarily used for the treatment of spastic movement disorders, especially in instances of spinal cord injury, cerebral palsy, and multiple sclerosis. Its use in people with stroke or Parkinson's disease is not recommended From padmaja 4th edition Page no 83
A
null
medmcqa
medmcqa_38214
Opioid antagonist that can be given orally?
[ "Naltrexone", "Nalaxone", "Nalbuophene", "Pentazocin" ]
Ans. a (Naltrexone) (Ref KDT 6th/464, 467)Naltrexone differs from naloxone in being orally active and having a long duration of action (1-2 days) which makes it suitable for 'opioid blockade' therapy of postaddicts.Opioids & Opioid AntagonistsAgonist-antagonists (k-analgesics)Partial/weak m agonist + K antagonistPure a...
A
null
medmcqa
medmcqa_10922
Which of the following DOES NOT cause an increase in serum amylase -
[ "Pancreatitis", "Carcinoma lung", "Renal failure", "Cardiac failure" ]
Serum amylase is not related to cardiac failure Ref Davidson edition23rd pg 838
D
null
medmcqa
medmcqa_13025
Which of the following is a first-generation Cephalosporin used for surgical prophylaxis?
[ "Ceftriaxone", "Cefoxitin", "Cefazolin", "Cefepime" ]
First-Generation Cephalosporins: include - Cefazolin, Cephalexin, Cephradine, Cefadroxil, Cephalothin and Cephapirin Cefazolin is good for skin preparation as it is active against skin infections from S.pyogenes and MRSA. It is administered Intramuscular or Intravenous (i.e Parenteral drug).It is a drug of choice for s...
C
null
medmcqa
medmcqa_11017
All of the following are important precautions to prevent infections associated with arterial catherterizations except -
[ "Education of health personnel", "Hand hygiene", "Use sterile semipermeable dressing", "Use of femoral artery more than radial artery" ]
Ans. is 'd' i.e., Use of femoral artery more than radial artery Guidelines for prevention of arterial catheter-related bloodstream infectionso Educate healthcare personnel regarding the indications for intravascular catheter use, proper precautions for insertion and maintenance of intravascular catheters, and appropria...
D
null
medmcqa
medmcqa_3054
NOT a content of carpal tunnel:-
[ "Flexor digitorum superficialis", "Flexor digitorum profundus", "Ulnar nerve", "Median nerve" ]
CARPAL TUNNEL:8 carpal bones covered by flexor retinaculum CONTENTS: 9 flexor tendons + median nerve 9 tendons: 4 tendons of flexor digitorumsuperficialis 4 tendons of flexor digitorum profundus 1 tendon of flexor pollicis longus Carpal tunnel syndrome: the overuse of these 9 tendons, causes the inflammation which comp...
C
null
medmcqa
medmcqa_12360
Streak gonads are seen in -
[ "Turner syndrome", "Klinefelter's syndrome", "Patau's syndrome", "Down's syndrome" ]
Ans. is 'a' i.e., Turner syndrome o Streak gonads (Streak ovaries) are characteristic feature of Turner syndrome.TURNER'S SYNDROMEo Turner's syndrome is the most common sex chromosomal disorder in phenotypic females.o Turner's syndrome results from complete or partial loss of one X chromosome (45, X) and is characteris...
A
null
medmcqa
medmcqa_35378
Bicarbonate is maximally absorbed from:
[ "PCT", "DCT", "Collecting duct", "Thick ascending loop of Henle" ]
A i.e. PCT
A
null
medmcqa
medmcqa_40030
Which of the following is NOT one of the many contributions of Louis Pasteur?
[ "Rabies Vaccine", "Anthrax Vaccine", "Germ Theory of Disease", "Theory of Spontaneous Generation" ]
Louis Pasteur was a French chemist and microbiologist who was one of the most impoant founders of medical microbiology. He is remembered for his remarkable breakthroughs in the causes and prevention of diseases. He created the first vaccines for rabies and anthrax. His experiments suppoed the germ theory of disease. He...
D
null
medmcqa
medmcqa_37695
Treatment of hormone dependent fungating carcinoma of breast with secondaries in the lung in a female patient aged 30 years is -
[ "Simple mastectomy followed by oophorectomy", "Radical mastectomy followed by oophorectomy", "Adrenalectomy", "Lumpectomy followed by castration" ]
null
A
null
medmcqa
medmcqa_26152
Which of the following is false regarding echinocytes
[ "Irregular spicules on RBC surface", "Seen in liver disorders", "Both of the above", "None of the above" ]
Echinocytes (Burr cells) have short and Equally spaced spicules. Seen in liver disorders, MIHA, Uremia.
A
null
medmcqa
medmcqa_27679
A concept directed against prevention of risk factors of coronary artery disease is
[ "Secondary prevention", "Health education", "Primordial prevention", "Primary prevention" ]
Levels of prevention Primordial prevention - Prevention of the development or emergence of Risk Factors in population groups in which they have not yet appeared. Primary prevention - Action taken prior to the onset of disease which removes the possibility that the disease will ever occur. It signifies intervention in ...
C
null
medmcqa
medmcqa_46079
The mechanism by which most fungi cause disease is:
[ "Exotoxin production", "Lecithinase production", "Hypersensitivity", "Coagulase production" ]
Hypersensitivity Diseases  Humans are continually exposed to air-borne fungal spores and other fungal elements present in the environment. These spores can be antigenic stimulants and depending on individual's immunological status may induce a state of hypersensitivity by production of immunoglobulins or sensitized lym...
C
null
medmcqa
medmcqa_14869
Carcinoid tumour is most common in
[ "Esophagus", "Stomach", "Jejunum", "Appendix" ]
Answer is D (Appendix); Antong, the given option the most common site of carcinoid tumour is appendix. Carcinoid tumor location, Frequency of Metastases, and Association with the Carcinoid Syndrome Site Location (% of Total) Incidence of Metastases Incidence of Carcinoid Syndrome Foregut Esophagus <0.1 - - Stomach 4.6 ...
D
null
medmcqa
medmcqa_30210
Drug of choice for obscessive compulsive disorder is:
[ "Fluoxetine", "Clomipramine", "Clonazepam", "Carbamazepine" ]
Fluoxetine
A
null
medmcqa
medmcqa_19627
Best test for diagnosis of gastrinoma -
[ "Ca++ infusion test", "Secretin injection test", "ACTH stimulation test", "Steroid assay" ]
gastrinoma is a gastrin-producing tumor usually located in the pancreas or the duodenal wall. Gastric acid hypersecretion and aggressive, refractory peptic ulceration result (Zollinger-Ellison syndrome). Diagnosis is by measuring serum gastrin levels. Treatment is proton pump inhibitors and surgical removal Post-inject...
B
null