query stringlengths 1 1.57k | pos stringlengths 1 22.5k | idx int64 0 161k | task_name stringclasses 1
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Spider naevi are due to action of - | The vascular spider, aerial spider or spider angioma or naevus is the most classical vascular lesion that is sometimes a presenting sign of chronic liver disease. Spider telangietasia occur in up to 10-15% of normal individuals and may also be seen in pregnant women (3rd trimester).They may also be seen in thyrotoxicos... | 149,100 | medmcqa_train |
Indicators of impending uterine rupture during labour include all of the following except: | Signs and symptoms of impending uterine rupture: 1. Non - reassuring FHR- Most common/ most consistent sign - first finding- fetal tachycardia - most common finding - fetal bradycardia 2. Maternal tachycardia 3. Scar tenderness 4. Uterine tenderness and hematuria are other signs | 149,101 | medmcqa_train |
Passive forcible dorsiflexion of foot with knee extended causes pain in the calf. This is called | Homan's sign is test for deep vein thrombosis. Passive dorsiflexion of foot with knee extended causes pain in the calf. | 149,102 | medmcqa_train |
True about SLE is? | Ans. is 'd' i.e., All are true SLE (sytemic lupus Erythematosus) Autoimmune disorder Inflammation of blood vessel Childhood SLE had poor pnognosis than adult SLE Hall mark of SLE is presence of antinuclean antibody (ANA) More common in female. Malar rash in pathognomic of SLE Non - erosive ahritis Nephritis Encephalopa... | 149,103 | medmcqa_train |
Bacteria X has an adenine content of 33% in its genome. What is the expected thymine content in the genome of X? | Adenine= Thymine = 33% In a double stranded DNA, Chargaff's rule is followed Number of Purines = Number of pyrimidine = = = [?] Chargaff's rule is not applicable for RNA and ssDNA. | 149,104 | medmcqa_train |
Cerebrospinal fever is due to | (C) Neisseria meningitides # Cerebrospinal meningitis and meningococcal septicaemia are the two main types of meningococcal disease.> Cocci spread from the nasopharynx to the meninges may be directly along the perineural sheath of the olfactory nerve, through the cribriform plate to the subarachnoid space or more proba... | 149,105 | medmcqa_train |
Harakiri means | Harakiri (seppuku) is a form of Japanese ritual suicide by disembowelment. Stab injury in the abdomen (L-shaped), causing instantaneous evisceration of bowel loops. It results in sudden decrease in abdominal pressure and cardiac return resulting in circulatory collapse and death. | 149,106 | medmcqa_train |
Iceberg phenomena is not seen in | The only source of measles infection is case. Carriers are not know to occur. So, iceberg phonomena is not seen in measles. Ref : Park&;s Textbook of Preventive and Social Medicine; 23rd edition - Pgno 147 | 149,107 | medmcqa_train |
Major cell involved in interstitial nephritis - | Ans. is 'c' i.e., Lymphocyteo Acute interstitial nephritis (AIN) is a renal lesion that causes decline in creatinine clearance and is characterized by inflammatory infiltrate in the kidney interstitium.o The definitive diagnosis of interstitial nephritis is made by biopsyo The major histological changes are interstitia... | 149,108 | medmcqa_train |
Combined OCPs can be used in all conditions except | Breast cancer is an absolute contraindication for the use in Breast cancer. | 149,109 | medmcqa_train |
Following statements about sarcoidosis is false? | Answer is C (Pleural Effusion is common): Pleural Effusion is an uncommon atypical manifestation in Sarcoidosis repoed in up to 5 percent of patients. Parotid enlargement is a classic feature of Sarcoidosis and bilateral involvement is the rule. Neurological disease is repoed in 5-10 percent of patients with Sarcoidosi... | 149,110 | medmcqa_train |
All of the following factors influence hemoglobin dissociation curve, except | Hb-O2 dissociation curve shift to left indicates more affinity of Hb to O2 and thus less delivery of O2 to tissues.
Shift to left seen in
- Increased pH
- Decreased 2,3 DPG, temperature, PCO2
- HbF (Fetal)
Shift to right seen in
- Decreased pH
- Increased 2,3DPG, temperature, PCO2
- ... | 149,111 | medmcqa_train |
Cancer cells derive nutrition from | In fast-growing cancer cells, glycolysis proceeds at a high rate, forming large amounts of pyruvate, which is reduced to lactate and expoed. This produces a relatively acidic local environment in the tumor, which may have implications for cancer therapy. The lactate is used for gluconeogenesis in the liver, an energy-e... | 149,112 | medmcqa_train |
Risk period for maximum fetal damage by congenital rubella - | Ans. is 'a' i.e., First trimester of pregnancy In general, the earlier in pregnancy infection occurs, the greater the damage to the fetus. Maximum damage to the fetus occurs when infection is acquired in the first trimester of pregnancy.Rubellao Rubella virus belongs to togavirus family - enveloped RNA virus .o Only on... | 149,113 | medmcqa_train |
Intranasal calcitonin is given in ? | Ans. is 'd' i.e., Post menopausal osteoporosis o Salmon calcitonin is approved for clinical use. The latter product also is available as a nasal spray, introduced for once-daily treatment of postmenopausal osteoporosis. o For Paget c disease, calcitonin generally is administered by subcutaneous injection because intran... | 149,114 | medmcqa_train |
In embryo, Hemopoiesis is first demonstrable in | In the early embryo, hemopoiesis is demonstrable first in the yolk sac, followed by the liver and finally bone marrow.Reference: William&;s Obstetrics; 24th edition; Chapter 7; Embryogenesis and Fetal Morphological Development | 149,115 | medmcqa_train |
Genu of internal capsule carries: | D i.e. Coiconuclear | 149,116 | medmcqa_train |
All are contents of axilla, except | AXILLA: Is a pyramidal space situated between the upper pa of the arm and the chest wall. CONTENTS: 1)Axillary aery and its branches. 2)Axillary vein and its tributaries. 3)Infraclavicular pa of the brachial plexuses. 4)Five groups of axillary lymph nodes and the associated lymphatics. 5)The long thoracic and intercost... | 149,117 | medmcqa_train |
Ptosis results from trauma to which nerve- | *Ptosis is due to occulomotor nerve paralysis. Ref: Principles of ophthalmology 4th/e p.1107 | 149,118 | medmcqa_train |
Effect of inhalational agent on neuromuscular system which is true - | Halogenated volatile anesthetics have a potentiating effect on nondepolarizing muscle relaxants. The mechanism appears to be incompletely understood, but is likely a combination of: effect on central motor neurons augmentation of the NMB's affinity for the receptor site inhibition of post-synaptic nicotinic acetylcholi... | 149,119 | medmcqa_train |
Cell type which lacks HLA antigen is - | Class I products of the genes of the major histocompatibility complex (MHC), HLA-A, -B, and -C, are present on viually all nucleated cells. Mature human red blood cells are not nucleated and do not generally have easily detectable HLA antigens, Reff: www.mayoclinin.com | 149,120 | medmcqa_train |
Which one of the following is diagnosed by latex agglutination for antigen in CSF? | (A) Cryptococcus # Approximately 90% of patients with cryptococcal meningoencephalitis, including all those with a positive CSF smear, have capsular antigen detectable in CSF or serum by latex agglutination.# Certain important points about cryptococcus> Cryptococcus is the only pathogenic yeast> It is characterized by ... | 149,121 | medmcqa_train |
Tamsulosin, a competitive α adrenoceptor antagonist has an affinity for which of the following receptors | The actions of the α1-adrenoceptor antagonist tamsulosin have been examined at functional α1-adrenoceptor subtypes and compared with those at the human prostate receptor.
At the α1D-adrenoceptors of the rat aorta, tamsulosin acted as a competitive antagonist with a high affinity (pKB=10.1).
At the α1B-adrenoceptor of t... | 149,122 | medmcqa_train |
"MAC" of desflurane is: | In 20-30 year old patients Minimum Alveolar Concentration(MAC)for Halothane. 0.75 Isoflurane. 1.15 Sevoflurane. 1.85 Desflurane. 6 From Tripati 7th edition | 149,123 | medmcqa_train |
Drugs used in the treatment of MRSA are : | Staphylococcal infections are usually caused by Staphylococcus aureus. However, the incidence of infections due to Staphylococcus epidermidis and other coagulase-negative staphylococci has also been steadily rising. Pharmacotherapy Patients with serious staphylococcal infections should be initially staed on agents acti... | 149,124 | medmcqa_train |
Treatment of stage III B carcinoma cervix is: | Ans. is d, i.e. Intracavitary brachytherapy followed by external beam RT.Ref: Novak 14th/ed, p1436, 1427; Shaw 15th/ed, p414The best treatment for stage III B of invasive cancer is chemoradiation. Since this option is not given - we will go for next best option, i.e. RadiotherapyGenerally from stage II a-IV A when radi... | 149,125 | medmcqa_train |
Muller's manoeuver is | Muller's manoeuvre: Used to find the level and degree of obstruction in sleep-disordered breathing. It is performed while using flexible nasopharyngoscope. First, the examiner sees the upper airways at rest and then during the time when the patient makes a maximal inspiratory effo with nose and mouth closed. The base o... | 149,126 | medmcqa_train |
Which of the following fungus does not infect hair | Trichophyton infects hair, skin and nail. Microsporum infects hair and skin. Epidermophyton infects skin and nail. Reference: Textbook of Microbiology; Baveja; 4th edition | 149,127 | medmcqa_train |
APACHE-II score includes | Acute Physiologic Assessment and Chronic Health Evaluation II (APACHE II) score generates a point score ranging from 0 to 71 based on 12 physiologic variables, age, and underlying health. The point score is calculated from a patient's age and 12 routine physiological measurements: AaDO2 or PaO2 (depending on FiO2) Temp... | 149,128 | medmcqa_train |
Obsessive personality disorder is also called: | Obsessive-compulsive personality disorder (OCPD), as defined by the current version of DSM-5, and termedanankastic personality disorder in the ICD-10. Pre occupation with rules and regulations Perfection that slows them down Stubborn and inflexible Impoant to work, no time for leisure activities Formal, don't like humo... | 149,129 | medmcqa_train |
Position of internal hemorrhoid in anus is especially common in - | Ans. is 'b' i.e., 11 o' clock position Classification of hemorrhoids|||Internal hemorrhoidsExternal hemorrhoids* Located proximal to the dentate line* Covered by transitional and columnar epithelium therefore are usually painless* Internal haemorrhoids (Greek: haima, blood; rhoos, flowing; synonym: piles, Latin: pila, ... | 149,130 | medmcqa_train |
Women with PCOD and Hirsutism, Management is | Treatment of Hirsutism
Estrogen-Progestin Contraceptives
Antiandrogens
Mechanism of action
Androgen production in hirsuite women usually is an LH-dependent process
Estrogen-progestin contraceptives suppress pituitary LH secretion and thus suppress ovarian androgen production
The high level of estrogen in oral c... | 149,131 | medmcqa_train |
Schwangerschafts protein 1 (SP1), is a biochemical marker of- | Schwangerschafts protein 1 (SP1), also known as pregnancy-associated plasma protein C (PAPP-C) or pregnancy-specific b-glycoprotein (PSBS), is produced by the syncytiotrophoblast . It is a biochemical marker of Ectopic pregnancy | 149,132 | medmcqa_train |
All drugs cause interstitial lung disease, except : | Drugs causing interstitial lung disease are:
Amiodarone
Nitrosoureas
Busulfan
Phenytoin
Methotrexate
Sulfonamides
Penicillamine
Cyclophosphamide
Nitrofurantoin
Gold salts
Bleomycin | 149,133 | medmcqa_train |
Strored blood, which h. as been preserved in a blood bank, is deficient in which of the following coagulation factors? | The temperature in all areas of a refrigerator used for the storage of Red Blood Cells must be maintained between 1 and 6degC, and should have a fan for circulating air or be of capacity and design to ensure that the designated temperature is maintained and the blood may be deficit of v and vlll coagulation factors Ref... | 149,134 | medmcqa_train |
The life of preserved semen for aificial insemination is - | Ans. is 'd' i.e., Ten years | 149,135 | medmcqa_train |
Source of maltose is | SugarSourceSucroseCane and beet sugar, sorghum and some fruits and vegetablesLactoseMilkMaltoseEnzymic hydrolysis of starch (amylase);germinating cereals and maltIsomaltoseEnzymic hydrolysis of starch (the branch points in amylopectin)LactuloseHeated milk (small amounts), mainlysyntheticTrehaloseYeasts and fungi; the m... | 149,136 | medmcqa_train |
A 45-year-old woman visits the outpatient clinic with past history of dysphagia, nighttime fits of coughing, repeated chest infections, and a palpable swelling in her neck. Radiographic examination reveals the presence of a congenital pharyngeal pouch. Between which muscles is this pouch located? | The pharyngeal (Zenker) diverticulum is usually located between the cricopharyngeal and thyropharyngeal portions of the inferior pharyngeal constrictor. This is the most common site for development of a pharyngeal diverticulum due to the inherent weakness between the pharyngeal muscles in this location. Stasis of mater... | 149,137 | medmcqa_train |
Which of the following statements is true regarding kappa, lambda and heavy chain immunoglobins - | The variable region of each immunoglobulin heavy or light chain is encoded in several pieces--known as gene segments (subgenus). These segments are called variable (V), diversity (D) and joining (J) segments.V, D and J segments are found in Ig heavy chains, but only V and J segments are found in Ig light chains. Multip... | 149,138 | medmcqa_train |
Differentiating features b/w neurosis and psychosis : | B i.e. Lack of insight | 149,139 | medmcqa_train |
Which of the following is used to differentiate tumour recurrence and radiation necrosis? | ANSWER: (A) PET scanREF: Devita oncology 6th ed chapter 27PET may be used in therapeutic monitoring after chemotherapy or radiotherapy, with a classic indication being assessment for recurrent tumor versus radiation necrosis. Conventional imaging can not differentiate recurrent tumor from radiation necrosis | 149,140 | medmcqa_train |
Drugs associated with ischemic stroke include the following except | *misuse of oestrogen containing drugs like oral contraceptive pills ,hormone replacement therapy,cocaine ,amphetamine,alcohol are modifiable risk factors of ischemic stroke . Ref Harrison20th edition pg 2445 | 149,141 | medmcqa_train |
All are seen in malignant hypehermia except: | A i.e. Bradycardia | 149,142 | medmcqa_train |
In a case of anisocoria, when 1% pilocarpine le is instilled into the eye with abnormally dilated pupil, no response occurs. Cause of anisocoria may be: | Ans is 'c' i.e. Pharmacological blockage Anisocoria (inequality of pupillary size) implies disease of the efferent (motor) nerve of the light reflex, iris or muscles of the pupil.If, on application of pilocarpine 1% in each eye, the affected pupil reacts little or not at all and the unaffected pupil constricts normally... | 149,143 | medmcqa_train |
A patient presents with cough with expectoration. Diagnosis of farmer's lung is suspected. True statement regarding this condition: | Farmer`s lung:- caused by Thermophilic Actinomycetes it is occupational disease - So, no seasonal predilection occur in Asthma - Hypersensitivity pneumonitis occurs due to inhalational exposure to variety of antigens leading to inflammatory response of alveoli and small airways. Choice A is ruled out as asthma attacks ... | 149,144 | medmcqa_train |
Most common tumour occurring in appendix includes | Carcinoid tumours arise in argentaffin tissue (Kulchitsky cells of the crypts of Lieberkuhn) and are most common in the vermiform appendix.The tumour can occur in any pa of the appendix, but it is frequently found in the distal third Ref: Bailey & Love&;s Sho Practice of Surgery,E25,Page-1217 | 149,145 | medmcqa_train |
HIV contains: March 2013 | Ans. D i.e. All of the above HIV virus It is composed of two copies of positive single-stranded RNA that codes for the virus's nine genes enclosed by a conical capsid composed of 2,000 copies of the viral protein p24. The single-stranded RNA is tightly bound to nucleocapsid proteins, p7, and enzymes needed for the deve... | 149,146 | medmcqa_train |
Most common type of RCC associated with dialysis: | Ans. (b) Papillary CA | 149,147 | medmcqa_train |
Which of the following is true about Ganer cyst ? | Ganer cyst is basically a remnant of mesonephric or wolffian duct which remains vestigeal and functionally inactive in females. In males it forms collecting pa of male reproductive system. | 149,148 | medmcqa_train |
Main mechanism in thermoregulation-heat loss is | Heat is lost from the body mainly by radiation (60%), evaporation (22%) and Conduction (18%). | 149,149 | medmcqa_train |
Which of the muscle in male is equivalent for vaginal sphincter in female? | The sphincter vaginae (levator prostatae in the male) form a sling around the vagina and are inseed into a mass of fibrous tissue, called the perineal body. Ref: Clinical Anatomy by Systems By Richard S. Snell, 2007, Page 861. | 149,150 | medmcqa_train |
Drug of choice for CML is? | ANSWER: (A) ImatinibREF: Harrison s 17th ed, CMDT 2008 p. 444The drug treatment of choice for CML when Allogenic SCT (stem cell therapy) is not feasible is IMATINIBIFN-tz used to be the drug treatment of choice for CML when IMATINIB was not available | 149,151 | medmcqa_train |
The ideal replacement for the oesophagus after oesophagus after esophagectomy is | .Only 20% of oesophageal cancers present early and becomes curable. In such early growths confirmed with an absence of nodal spread, curative surgery is the main approach - radical oesophagectomy. Proximal extent of resection should be 10 cm above a macroscopic tumour and distal extent of resection is 5 cm from the mac... | 149,152 | medmcqa_train |
Egg has all vitamins except - | Expect vitamin C, egg contain all fat soluble vitamin. REF. PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICAL 21ST EDITION. PAGE NO - 582 | 149,153 | medmcqa_train |
Lewy bodies contain | (A) a-synuclein # Examination of brain in Parkinson's Disease (PD):> Grossly reveals mild frontal atrophy with loss of the normal dark melanin pigment of the midbrain.> Microscopically there is degeneration of the dopaminergic cells with the presence of Lewy bodies (LBs) in the remaining neurons and processes of the su... | 149,154 | medmcqa_train |
Which peak on MR spectroscopy is seen in tuberculoma? | MR-spectroscopy usually reveals a large lipid lactate peak at 0.9 to 1.33 ppm and reduced NAA. The lipid peak in tuberculoma is primarily due to the predominant lipid content in the cell wall of tubercle bacillus. Presence of lactate indicates anaerobic glycolysis and necrosis within the Tuberculoma. However, lipid lac... | 149,155 | medmcqa_train |
In Wilson disease, hepatic copper content usually exceeds_____________ dry weight | In Wilson's disease, hepatic copper content usually exceeds 250 mg/g dry weight (>4 mmol/g dry weight is the best biochemical evidence for Wilson disease). | 149,156 | medmcqa_train |
Lunate sulcus is present in | The occipital lobe sulciA. Transverse occipital B. Lateral occipital C. Lunate D. Superior and inferior polarReference: Chaurasia; 6th edition; 417 page | 149,157 | medmcqa_train |
Regarding transpo of Ca++ across a membrane, which of the following is true? | Calcium transpo occurs by secondary active transpo. Hence, option A is incorrect It is an antipo or counter transpo; occurring as Na+/ Ca++ exchanger. Hence, option B is incorrect It is primarily aimed at maintaining a low cytosolic Ca++. Thus, option C is incorrect. To maintain a low intracytoplasmic Ca++, calcium is ... | 149,158 | medmcqa_train |
Adenovirus causes - | It causes epidemic keratoconjunctivitis REF:ANANTHANARYANAN TEXTBOOK OF MICROBIOLOGY 9EDITION PGNO.482 | 149,159 | medmcqa_train |
Testosterone in male secreted from: | Ans. (a) Leydig cellRef: LB. Singh 9th ed. /14-16* Leydig cell secrete testosterone* Sertoli cells helps in maturation of spermatozoa* Epididymis:store sperm* Seminal vesicle: secretes thick alkaline fluid. | 149,160 | medmcqa_train |
Role of neo-adjuvant chemotherapy in breast carcinoma patient is: March 2011 | Ans. B: To shrink the tumour to enable breast conserving therapy Primary chemotherapy (neoadjuvant) is being used in many centres for large but operable tumours that would traditional require a mastectomy (and almost ceainly postoperative adjuvant chemotherapy) The aim of this treatment is to shrink the tumour to enabl... | 149,161 | medmcqa_train |
Sialography report of a 46-year-old female suggests: | Image shows cherry blossom appearance. | 149,162 | medmcqa_train |
Which response is not seen in newborns as a measure of thermogenesis? | ANSWER: (A) ShiveringREF: O.P Ghai 6th ed p. 151,152"Newborn cannot produce heat by shivering"Mechanisms for thermogenesis in new born are mainly due to rapid increase in circulating catecholamines due to cold stressLipolysis and re-esterification of brown fatPeripheral vasoconstrictionIncrease heart rate | 149,163 | medmcqa_train |
Which of the following is more prone to Carcinoma? | Ans. (a) Barrett esophagusRef: Bailey & Love 26th ed. ch 62! 1000* Barrett's metaplasia, endoscopically recognized by tongues of reddish mucosa extending proximally from the gastroesophageal junction or histopathologically by the finding of specialized columnar metaplasia (intestinal type with goblet cells), is associa... | 149,164 | medmcqa_train |
Berkesonian bias refers to - | This special example of berkesonian bias is termed after Dr. Joseph Berkesonian who recognized this problem. Ref: 25th edition, Park's Textbook of Preventive and Social Medicine, Page no. 81, 82 | 149,165 | medmcqa_train |
Which does not indicate fetal lung maturity' - | Ans. is 'a' i.e., Reactive NST | 149,166 | medmcqa_train |
A 20 years old nulliparous women is on oral contraceptives pills. She is currently diagnosed as having pulmonary tuberculosis. Which anti-tubercular drug decreases the effect of OCP | Ans. is d i.e. Rifampicin Interacuons of OCP's with other Drugs | 149,167 | medmcqa_train |
All are toxicity seen with amiodarone therapy except | Refer katzung 11e p 241 Amiodarone-induced pulmonarytoxicity (APT) is one of the most serious side effects of use. Incidence is approximately 5% when doses of 400 mg or more are used daily. ... Amiodarone pulmonarytoxicity can present in various ways: pneumonia interstitial disease, respiratory distress or solitary pul... | 149,168 | medmcqa_train |
Cerebrospinal fluid is filled between: | Subarachnoid space is a wide space between the pia and the arachnoid, filled with cerebrospinal fluid (CSF).
It surrounds the brain and spinal cord like a water cushion. The spinal subarachnoid space is wider than the space around the brain. It is widest below the lower end of the spinal cord where it encloses the caud... | 149,169 | medmcqa_train |
Stroke volume is increased by ? | Ans. is 'c' i.e., Increased end-diastolic volume and decreased end-systolic volumeThe stroke volume is the amount of blood pumped out by left ventricle in each stroke.Stroke volume is given by the difference between end-diastolic ventricular volume (the volume of blood in the left ventricle at the end of diastole; norm... | 149,170 | medmcqa_train |
No anti - inflammatory action is seen with which of the following- | Ans. is 'b' i.e., Paracetamol o It does not possess anti-inflammatory activity because it is ineffective in the presence of peroxides generated at the site of inflammation. | 149,171 | medmcqa_train |
Westermark sign is seen in: | Ans. (a) Pulmonary embolism Ref- Westermark sign is a sign of pulmonary embolus seen on chest radiographs. It is one of several described signs of pulmonary embolus on chest radiographs. Pathology The theory behind the sign is either obstruction of the pulmonary artery or distal vasoconstriction in hypoxic lung 3. In o... | 149,172 | medmcqa_train |
True about Congenital Rubella syndrome is | * Rubella infection gets transmitted by veical transmission and bih defects is more common when acquired during first trimester of pregnancy. * Bih defects are uncommon when infection is acquired after 20 weeks of gestation. * Congenital Rubella syndrome leads to cardiac defects, cataract and deafness; (Classical triad... | 149,173 | medmcqa_train |
Scarring alopecia is seen in - | Causes of cicatricial alopecia: -Discoid lupus erythematosus and morphea - developmental /hereditary : aplasia cutis -traumatic, post radiation -herpes zoster and bacterial infections -lichen planopilaris - neoplastic disorders Ref Harrison20th edition pg 1234 | 149,174 | medmcqa_train |
Donesumab, a monoclonal antibody against RANK ligand is used for the treatment of: | Ans. (B) Osteoporosis(Ref: Principles of pharmacolpg HL Sharma and KK Sharma 2007/641)Receptor for activated nuclear factor kB (RANK) is present on osteoclast progenitors. Binding of RANK-ligand to these receptors causes differentiation and activation of osteoclast progenitors to mature osteoclasts. Donesumab is a mono... | 149,175 | medmcqa_train |
Type IV hypersensitivity is - | Ans. is 'c' i.e., Cell mediated Cell mediated (Type IV) hypersensitivity o It is initiated by activated T-lymphocytes. o It includes Delayed type hypersensitivity - mediated by CD-4 T cells. T-cell mediated cytotoxicity - mediated by CD8- T cells. 1. Delayed type hypersensitivity In delayed hypersensitivity reactions, ... | 149,176 | medmcqa_train |
The sulphur granules in the wound are diagnostic of: | Actinomyces | 149,177 | medmcqa_train |
Which one of the following deficits results from the destruction of the ciliary ganglion? | Destruction of the ciliary ganglion interrupts postganglionic parasympathetic fibers, which innervate the sphincter pupillae and ciliaris; this results in- loss of the direct pupillary reflex, mydriasis, and loss of accommodation. | 149,178 | medmcqa_train |
Loosers Zones/ Pseudofractures are commonly seen in the following areas except - | Answer- D. RadiusScapulaMedial femoral neck & shaftPubic & Ischial ramiLesser trochanteRibs & clavicleProximal ulna & radiusPhalanges, metacarpals & metatarsals | 149,179 | medmcqa_train |
Psammoma bodies features are all except: | Ans. (d) Seen in teratoma(Ref: R 9th/pg 65; 8th/pg 38)Psammoma bodies (PBs) are concentric lamellated calcified structures, observed most commonly in papillary thyroid carcinoma (PTC), meningioma, and papillary serous cystadenocarcinoma of ovaryThey represent a process of dystrophic calcification | 149,180 | medmcqa_train |
Test for detection or old blood stain is - | Amongst the given options, only benzidine test is used to detect the nature of stain, i.e. whether it is blood or not. | 149,181 | medmcqa_train |
Cirrhotic ascites has all the features except | Serum-ascites albumin gradient g/dl > 1.1 in ascitic fluid caused by cirrhosis | 149,182 | medmcqa_train |
Myasthenia gravis may be associated with | Ref Robbins 7/e p1344; 9/e p1235-1236; Harrison 16/e p2521 table 366-3 MYASTHENIA GRAVIS (MG) is an autoimmune disease characterized by impaired neuromuscular transmission due to circulating antiacetylcholine receptor autoantibodies (AchRAb) (1). The frequent association of MG with thymic disease, such as follicular hy... | 149,183 | medmcqa_train |
A Central midline neck swelling is noted in a 4 yr old girl posted for tonsillectomy. The swelling is, painless. mobile, and cystic, just below the hyoid bone of size 2x1.1x1cm. U/S showed a thick walled cystic lesion. Management would include | Mid line cystic swelling, mostly just below hyoid is thyroglossal cyst. Treatment is surgical removal (Sistrunk operation). | 149,184 | medmcqa_train |
Mesh is sutured to the edge of the defect, this is called | A well-placed mesh should have good overlap around all margins of the defect, at least 2 cm but up to 5 cm if possible. Suturing a mesh edge to edge into the defect is inlay mesh, this is not recommended.The mesh can be placed:Just outside the muscle in the subcutaneous space (onlay); Within the defect (inlay) - only a... | 149,185 | medmcqa_train |
A patient presents with hematuria for many days. On investigations he is found to have calcifications in the wall of urinary bladder and small contracted bladder; most probable cause is | Schistosomiasis sometimes heralded by painless, recurrent hematuria, dysuria, or urinary frequency. It is first suspected cause for hematuria in endemic areas (sub saharan africa) Long-term urogenital schistosomiasis results in fibrosis that may obstruct urinary drainage and result in organ dysfunction. Ultrasonography... | 149,186 | medmcqa_train |
Plasmapharesis is used in all of the following except | Plasmapheresis of the autologuous and exchange types is used to treat a variety of disorders, including those of the immune system, such as Goodpasture's syndrome, Guillain-Barre syndrome, lupus, Polymyositis , myasthenia gravis, and thrombotic thrombocytopenic purpura. Ref - pubmed.com | 149,187 | medmcqa_train |
Conduction velocity of nerve is reduced in all of the following conditions, except | Acute motor axonal neuropathy (AMAN) is a variant of Guillain-Barre syndrome. It is characterized by acute paralysis and loss of reflexes without sensory loss. Pathologically, there is motor axonal degeneration with antibody-mediated attacks of motor nerves and nodes of Ranvier The syndrome typically presents as a prog... | 149,188 | medmcqa_train |
Antemoem burn differ from postmoem burns by all except | Vesicle containing air. In Antemoem burns, vesicles contain serous fluids with proteins & chlorides while in postmoem burns vesicles contain air. Trait Antemoem Burns Postmoem Burns 1 Line of redness Present Absent 2 Veiscles Contain albuminous fluid and chlorides Contain air 3 Infection Pus and sloughing Nil 4 Healing... | 149,189 | medmcqa_train |
All are true about panel discussion except – | Panel discussion
It is a two way communication.
4 - 8 persons who are qualified to talk about a topic and discuss a given problem in front of a large group or audience.
The panel comprises a chairman.
The chairman opens the meeting, welcomes the group and introduces the panel speakers.
He introduces topic briefly and... | 149,190 | medmcqa_train |
All of the following are X-linked except: | Answer is C (Von Willebrand disease) : Von Willebrand disease is inherited as autosomal dominant disorder. It is not X-linked. | 149,191 | medmcqa_train |
Humoral immunodeficiency is suspected in a patient and he is under investigation. Which of the following infections would not be consistent with the diagnosis? | Answer is B (Pneumocystis carinii pneumonia) : Pneumocystis carinii infections are associated with deficient cell mediated immunity and not with humoral immunodeficiency. Humoral immunodeficiencies i.e. predominantly antibody deficiencies are associated with recurrent serious infections with pyogenic bacteria and giard... | 149,192 | medmcqa_train |
The resting uretric pressure ? | Ans. is 'd' i.e. 0-5 cm of H20 "Baseline or resting ureteral pressure is approx. 0 to 5 cm 1120, and superimposed ureteral contraction ranging from 20 to 80 cm H20 occur two to six times per minute." - Cambell's Urology | 149,193 | medmcqa_train |
True about heat hematoma: PGI 12 | Ans. Between skull and dura mater | 149,194 | medmcqa_train |
Under National Cancer control Programme, oncology wings were sanctioned to - | Ans. is 'c' i.e., Medical college Hospital o Government hospital and government medical colleges arc provided with a grant of Rs 3.00 crores for the development of oncology wing. | 149,195 | medmcqa_train |
The first gastrectomy was performed in 1881 by ? | Ans. is 'c' i.e., Billroth | 149,196 | medmcqa_train |
Which of the following is not a second generation antihistamines | Antihistamines are classified as first generation and second generation compounds on the basis of CNS penetration and anticholinergic propeies. first generation antihistamines can penetrate blood brain barrier and possess additional anticholinergic propeies which are lacking in second generation drugs. cyclizine is a f... | 149,197 | medmcqa_train |
All of the following are features of post-tubal ligation syndrome except: | Ans. is d, i.e. DyspareuniaRef: Dutta obs 7th/ed, p 557Post ligation syndrome-Some patients after tubal ligation can experience post-ligation syndrome characterized by menstrual irregularities like menorrhagia, or irregular periods along with pelvic pain or congestive dysmenorrhea and cystic ovaries.It is vascular in o... | 149,198 | medmcqa_train |
Post coital test is used to assess : | Cervical factor | 149,199 | medmcqa_train |
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