query stringlengths 1 1.57k | pos stringlengths 1 22.5k | idx int64 0 161k | task_name stringclasses 1
value |
|---|---|---|---|
In pregnancy which of the following antihypertensive drug is contraindicated? | Ans. is 'c* i.e., Ace inhibitorsSafe antihypertensive in pregnancyAntibypertensive avoided in pregnancyo Hydralazineo Methyldopao Labetalolo Dihvdropyridine calcium channel blockerso Cardioselective b-blockero Prazosino Clonidineo Diureticso ACE inhibitorso Nonselective b-blockerso Sodium nitroprussideo Reserpine | 16,900 | medmcqa_train |
Best latrine for rural community is | (B) Dug well # Advantages of Dug well type of latrine are:> It is easy to construct and no special equipment such as an auger is needed to dig the pit> The pit has a longer life than the bore hole because of greater cubic capacity. A pit 75 cm (30 in.) diameter and 3 to 3.5 m (10-12 ft.) deep will last for about 5 year... | 16,901 | medmcqa_train |
A 18-year-old man notices occasional lightheadedness when standing up quickly. He also has difficulty playing sports because of easy fatigue and SOB. Examination shows normal heart sounds, but a loud systolic ejection murmur at the right sternal border. The murmur decreases with elevating the legs and increases in the ... | The bisferiens pulse, two systolic peaks, occurs in HOCM and aortic regurgitation. In aortic regurgitation, the bisferiens pulse can occur both in the presence or absence of aortic stenosis. | 16,902 | medmcqa_train |
Choose the appropriate lettered structure in this CT scan of the abdomen at the level of the upper lumbar vertebra. Which structure runs behind the IVC? | (c) The right renal artery arises from the aorta, is longer than the left renal artery, and runs behind the IVC and the right renal vein. | 16,903 | medmcqa_train |
This 6-day-old infant's mother had developed intensely pruritic lesions at 33 weeks of gestation. What is the diagnosis? | Answer D. Herpes gestationisThe presence of multiple yellow plaques on erythematous bases sparing the orbital regions is consistent with a diagnosis of herpes gestationis, a rare autoimmune disorder of pregnancy that affects newborns in only 5 to 10 percent of cases. The more common dermatitis of pregnancy -- pruritic ... | 16,904 | medmcqa_train |
Patient with hepatic insufficiency is being planned for surgery. Which vitamin deficiency has to be treated first? | ANSWER: (C) Vitamin KREF: Harrison's 18th ed chapter 302Vitamin K deficiency in adults may be seen in patients with chronic small-intestinal disease (e.g., celiac disease, Crohn's disease), in those with obstructed biliary tracts, or after small-bowTel resection.Patients with liver disease may have an elevated prothrom... | 16,905 | medmcqa_train |
True about iron absorption are all, except ? | Ans. is 'd' i.e., Pancreatic secretions improves the absorption Iron absorption Iron is absorbed from upper small intestine mainly duodenum. In diet iron occurs in two forms, haeme iron and inorganic (non-haeme) iron. Haem iron is better absorbed than inorganic iron, but the major fraction of diet is inorganic iron. In... | 16,906 | medmcqa_train |
A 31 - year - old male, with mood disorder, on 30 mg of haloperidol and 100 mg of lithium, is brought to the hospital emergency room with history of acute onset of fever, excessive sweating, confusion, rigidity of limbs and decreased communication for a day. Examination reveals tachycardia and labile blood pressure and... | Antipsychotic drugs have Extrapyramidal symptoms- dur to D2 blockade in limbic system Extrapyramidal symptoms Clinical features Special DOC Malignant neuroleptic syndrome Fluctuating level of consciousness Hypehermia Muscles rigidity Increase level of CPK Increase level of liver enzyme Confusion Diaphoresis Most common... | 16,907 | medmcqa_train |
Not seen in osteopetrosis - | Osteopetrosis also known as marble bone disease/Alber&;s-Schonberg disease which is transmitted as autosomal dominant or in severe case as autosomal recessive, is characterised by dense and brittle bones, anemia, jaw osteomyelitis and cranial nerve palsies. Disease is due to functional deficiency of osteoclast leading ... | 16,908 | medmcqa_train |
Henle's and Huxley's layer are histologically seen in | A i.e. Bulb of hair follicleBulb of hair follicle has following layers- Fibrous connective tissueExternal root sheathInternal root sheath composed of epithelium stratum (Henle's layer)Q and granular stratum (Huxley's layer)QCuticle, coex & medulla of hair | 16,909 | medmcqa_train |
Congenital syphilis can be best diagnosed by - | Nontreponemal test (VDRL) detects mainly IgG, So cannot differentiate from passive maternal transfer Method to diagnose congenital syphilis is: A reactive IgM test specific for syphilis
19s IgM FTA-ABS, Captia syphilis M test (IgM ELISA) and Western blot | 16,910 | medmcqa_train |
Earliest and often the only presentation of TB kidney is: | Clinical Features Earliest symptom is urinary frequency. Tuberculosis of genital tract should be considered in the presence of following situations Chronic cystitis that refuses to respond to adequate treatment Sterile pyuria, gross or microscopic hematuria. Non- tender enlarged epididymis with beaded or thickened vas.... | 16,911 | medmcqa_train |
Paroxysmal nocturnal hemoglobinuria results from acquired mutations in | Paroxysmal nocturnal hemoglobinuria (PNH) is a disease that results from acquired mutations in the phosphatidylinositol glycan complementation group A gene (PIGA), an enzyme that is essential for the synthesis of ceain membrane-associated complement regulatory proteins.PNH blood cells are deficient in three GPI-linked ... | 16,912 | medmcqa_train |
Fear of being in places or situations from which escape might be difficulty embarrassing or which help may be unavailable in the event of having panic attack. This condition is called | (D) Agoraphobia # Social anxiety disorder is a chronic mental health condition that causes an irrational anxiety or fear of activities or situations in which you believe that others are watching you or judging you. You also fear that you'll embarrass or humiliate yourself. Zoophobia or animal phobia may have one of two... | 16,913 | medmcqa_train |
Bad trips are characteristically associated with the addiction of | Lysergic Acid Diethylamide (LSD) & Psilocybin (magic mushroom) are among the MOST COMMONLY used hallucinogens. Perceptual changes occur within 40 minutes of oral ingestion. Vision is affected most often; the subject experiences heightened visual awareness of objects, especially colours. Images may be distoed in shape o... | 16,914 | medmcqa_train |
ASOM to drain middle ear, incision is - | Ans. is 'b' i.e., Posteroinferior Myringotomyo Myringotomy is also known as myringocentesis, tympanostomy or tympanotomy. Myringotomy is a surgical procedure in which a small incision is made in the eardrum (tympanic membrane). Myringotomy is done to drain suppurative or nonsuppurative fluid (effusion) of middile ear o... | 16,915 | medmcqa_train |
One of the following drug causes least gain in weight | (B) Ziprasidone # Risperidone, a benzisoxazole derivative, is more potent at 5HT2 than D2 receptor sites, like clozapine, but it also exerts significant a2 antagonism, a property that may contribute to its perceived ability to improve mood and increase motor activity.> Risperidone is not as effective as clozapine in tr... | 16,916 | medmcqa_train |
Most common cause of acute otitis media in children is: | 3 pathogens predominate in Acute Otitis Media: Strepto pneumoniae, H. influenzae & Moraxella catarrhalis. | 16,917 | medmcqa_train |
A set of statements for monitoring progress towards goal completion is referred to as? | ANSWER: (C) ProgrammeREF: Park 20th edition page 771, 772Goals, Objective and Targets: (end results of planning) DefinitionAttainabilityConstraintsExampleGoalThe ultimate desired stateNotnecessarilyattainableNot constrained by time or resourcesControl, eliminate, or eradicate targeted Vaccine preventable diseases disab... | 16,918 | medmcqa_train |
Tricyclic anti-depressants produce side-effects like dry mouth, urinary retention due to action on: | Ans. a. Muscarinic receptors (Ref: KDT 7/e p459, 6/e p442)Tricyclic anti-depressants produce side-effects like dry mouth, urinary retention due to action on Muscarinic receptors.'Tricyclic antidepressants have anticholinergic side-effects, acts on muscarininc receptors, manifested as dry mouth, bad taste, constipation,... | 16,919 | medmcqa_train |
A 50 year old man with advanced tuberculosis has developed signs/of severe acute adrenal insufficiency. The patient should be treated immediately with a combination of: | (Ref: KDT 6/e p282) Patient should be given both mineralocoicoids as will as glucocoicoid. Max.mineralocoimid activity - Aldosterone Max. glucocoicoid activity - Dexamethasone | 16,920 | medmcqa_train |
A new born baby has been referred to the casualty as a case of congenital diaphragmatic hernia. The first clinical intervention is to - | Ans. is 'c' i.e., Inse a nasogastric tube Management of congenital diaphragmatic hernia o Earlier congenital diaphragmatic hernia was considered to be a surgical emergency. It was believed that the mass effect of herniated viscera is the major factor in cardiorespiratory compromise. o Now it is recognized that major ca... | 16,921 | medmcqa_train |
A child with pervasive developmental disorder will have all of the following except: | Ans. d. Impaired cognition (Ref. Kaplan 10th/1191-1197; Niraj Ahuja 7/ep163-165)According to DSM-V, intellectual disability should he ruled out prior to a diagnosis of pervasive developmental defects."The diagnostic category pervasive developmental disorders (PDD), as opposed to specific developmental disorders (SDD) i... | 16,922 | medmcqa_train |
Low risk in carcinoma thyroid: 1. Men < 50 years 2. Women < 40 years 3. Papillary carcinoma < 5 cm 4. Metastasis 5. Follicular carcinoma > 5 cm | Low risk group in differential thyroid carcinoma: Men < 40 years & women < 50 years without distant metastasis All older patients with minor tumor < 5 cm in size and minor capsular involvement and no metastasis High Risk group in differential thyroid carcinoma: Distant metastasis All older patients patients with extra ... | 16,923 | medmcqa_train |
Carcinoma tongue is most common at - | Ans. is 'a' i.e., Lateral border o MC site is middle of lateral border or the ventral aspect. | 16,924 | medmcqa_train |
Which of the following ion is exchanged in the stomach for H+ secretion? | The unique characteristic of gastric secretion is its high concentration of hydrochloric acid, a product of the parietal cells. As the concentration of H+ rises during secretion, that of Na+ drops in a reciprocal fashion. K+ remains relatively constant at 5-10 meq/L. Chloride concentration remains near 150 meq/L, and g... | 16,925 | medmcqa_train |
Treatment for the child with frequent tapeworm infestation | *The common tapeworms that infest children are Taenia solium and Taenia saginata. - diagnosis is by demonstration of ova or proglottidis in the stools. - treatment is by niclosamide or praziquantel. - the two effective anti cysticeral drugs are albendazole and praziquantel. Reference : Ghai essential pediatrics, 9 th e... | 16,926 | medmcqa_train |
Treatment of Acute Hyperkalemia -a) Ca gluconate givenb) Insulin & Glucose reduces hyperkaJemia within 4 hrsc) Dialysis not usefuld) Resin shows the response within minutese) IV NaHCO3 given | Resins show response within → 1-2 hr
Insulin + Glucose shows response within → 15-30 minutes
Ca gluconate shows response within → minutes (less than 5 minutes)
B2 adrenergic shows response within → 30 minutes
NaHCO3 shows response within → 30 minutes
Hemodialysis is the most effective and rapid nlav of lowerine plasm... | 16,927 | medmcqa_train |
The impoant feature of psoriasis is - | psoriasis:-chronic Inflammatory skin disease.Genetic predisposition. Psoriasis susceptibility 1 (PSORS1) is the most impoant susceptibility locus. Clinical features:-1. Classic lesion-Well defined erythematous plaque with a silvery white scales.2. Size varies from pin point papules to plaques.3. The scales are loosely ... | 16,928 | medmcqa_train |
A patient presents to the emergency depament with uniocular diplopia. Examination iwth oblique illunination shows golden crescent while examination with co-axial illumination show a dark crescent line. Which of the following is the most likely diagnosis - | Presence of uniocular diplopia together with finding of golden crescent on oblique illumination (edge of subluxated lens) or black crecent line on coaxial illumination (edge of subluxated lens) suggests a diagnosis of 'subluxation' of the crystalline lens. Ectopic lentis refers to displacement of lens from its normal p... | 16,929 | medmcqa_train |
All are side effects of Oral Contraceptive Pills (OCPs) except: | Adverse effects of combined oral contraceptive Pills (OCPs) Beneficial effects of Combined Oral Contraceptive Pills (OCPs) Cardiovascular effects : Myocardial infarction Cerebral thrombosis Venous thrombosis Hypeension Carcinogenesis: Cervical cancer Breast cancer Metabolic effects: Elevated blood pressure Altered lipi... | 16,930 | medmcqa_train |
1722. A patient presents with macroglossia and atrophy of tongue papilla. His Hb Is 11.5 and MCV is 100. What should be the next step in Investigating this patient ? | <p>Deficiency of vit B12 & folate presents with anemia(macrocytic megaloblastic anemia), glossitis(smooth,beefy,red tongue).Hb level will be below normal range & MCV wil be elevated.So this is a case of vit B 12 deficiency & next choice of investigation is serum Vit B12 assay. </p><p>Harsh mohan textbook of pathology s... | 16,931 | medmcqa_train |
What is the color-coding of bag in hospitals to dispose off human anatomical wastes such as body pas : | Human anatomical wastes such as human tissues, organs, and body pas are classified as Waste Category No. 1. They are disposed in plastic bags with a yellow color code and treated by Incineration or deep burial. Ref: Park's Textbook Of Preventive And Social Medicine By K. Park, 19th Edition, Page 649; Park's Textbook Of... | 16,932 | medmcqa_train |
The most severe form of Ehler Danlos syndrome is | Ehlers danlos syndrome *A genetic defect in the synthesis of fibrillar collagen*Of all the types, type IV (vascular type) is the most severe form as it involves internal organs*Common type - Type VI (kyphoscoliosis type) caused due to a defect in lysyl hydroxylase*Type VII - defect in type 1 collagen*Type IV - Defect i... | 16,933 | medmcqa_train |
Infants constitute what % of population? | Ans. is 'b' i.e., 3 | 16,934 | medmcqa_train |
Primary role of T-Lymphocytes is - | Ans. is 'b' i.e., Delayed hypersensitivity | 16,935 | medmcqa_train |
Pharyngo-esophageal reflux is monitored by: | Double probe pH monitoring - Pharyngo-esophageal reflux. Esophageal PH monitoring - GERD Barium esophagogram - Frequently performed to diagnose problems related to esophageal and pharynx that present with symptoms like dysphasia. Radionuclide scintigraphy - Radiotracer injected into vein that travels to specific organ ... | 16,936 | medmcqa_train |
Which of the following is the most common mutation in Ewing's sarcoma - | Ewing's sarcoma is typically characterized by a translocation t (11; 22) (q 24; q12) in up to 90% of patients. | 16,937 | medmcqa_train |
A 3 year old boy with normal developmental milestones with delayed speech and difficulty in communication and concentration. He is not making friends. Most probable diagnosis is – | Delayed speech, difficulty in communication and concentration in a 3 year old child suggests the diagnosis of autism.
Autism
Autism is a neurologic disroder characterized by -
Qualitative impairment in social interaction
Qualitative impairment in communication.
Restricted repetitive and streotyped patterns of behavi... | 16,938 | medmcqa_train |
Among the following local anaesthetics, the one that is associated with vasoconstriction and mydriasis is: | Cocaine | 16,939 | medmcqa_train |
One of your patients on examination was found to have macro orchidism. All the following conditions are associated with macro orchidism, EXCEPT: | Hypopituitarism is associated with micro orchidism. All the other conditions mentioned above are associated with macro orchidism. Also know Causes of micro orchidism Klinefelters syndrome Laurence - Moon biedl syndrome Hypopituitarism Rudimentary testes syndrome Ref: Meharban Singh, Edition 3, Page 110. | 16,940 | medmcqa_train |
Tophus is the pathognomic lesion of which of the following condition - | Gout
Gout is the common endpoint of a group of disorders that produce hyperuricemia.
It is marked by transient attacks of acute arthritis initiated by crystallization of monosodium urate into the joints, leading eventually to chronic gouty arthritis and deposition of masses of urates in joints and other sites, creatin... | 16,941 | medmcqa_train |
Neuropsychiatry symptoms are seen with which anti TB drug ? | Ans. is 'a' i.e., INH Adverse effects of INH Peripheral neuritis (most common), hepatitis, optic neuritis & atrophy, seizure, ataxia, muscle twitching, toxic encephalopathy, psychoses, rashes, fever, ahralgia, acne, lupus like syndrome, hemolytic anemia in G6PD deficiency. Note: Most common antitubercular drug which is... | 16,942 | medmcqa_train |
Prevention of wound infection is done by :a) Pre op shavingb) Pre op antibiotic therapyc) Monofilament sutured) Wound apposition | About Pre-op shaving Bailey writes - "Pre-op shaving should be avoided except for aesthetic reasons or prevent adherence of dressing. If it is to be done, it should be undertaken immediately before surgery as there is a higher infection rate when it is performed the night before, because minor skin injury enhances supe... | 16,943 | medmcqa_train |
What is FRC? | FUNCTIONAL RESIDUAL CAPACITY = ERV + RV The volume of air that remains in lungs at the end of normal expiration = 2300 ml | 16,944 | medmcqa_train |
Function of mitochondrial DNA - | Ans. is 'b' i.e., Encodes proteins of respiratory chain o Human mitochondria contain two to ten copies of a small circular double-stranded DNA molecule that makes up approximately 1% of total cellular DNA. The majority of the peptides in mitochondria (about 54 out of 67) are coded by nuclear genes. The rest are coded b... | 16,945 | medmcqa_train |
All are features of haemolytic uremic syndrome, except: | Answer is D (Neuropsychiatric manifestations): Absence of neurological manifestations has been termed as a chracteristic essential diagnoistic feature for HUS in 'nT text. Hyperkalernia is a manifestation of Renal failure and hence appears justified. Essentials of diagnosis as mentioned in CM DT : - Microangiopathic he... | 16,946 | medmcqa_train |
Local anaesthesia causing methemoglobinemia – | Prilocaine and benzocaine can cause methemoglobinemia. | 16,947 | medmcqa_train |
A child aged 3 yrs, presented with severe sensorineural deafness was prescribed hearing aids, but showed no improvement. What is the next line of management: | Ans. is 'c' Cochlear implant Any person who fails to benefit from hearing aids in given , cochlear implant. Here the child does not benefit from hearing aid so he should be given cochlear implant.Note : Make sure that the patient is not prelingually deaf because Cochlear implants are not useful in prelingually deaf pat... | 16,948 | medmcqa_train |
All are predisposing factors of Deep Vein thrombosis, except | Fragmented thrombi from DVTs are carried through progressively larger veins and the right side of the hea before slamming into the pulmonary aerial vasculature. Depending on the size of the embolus, it can occlude the main pulmonary aery, straddle the pulmonary aery bifurcation (saddle embolus), or pass out into the sm... | 16,949 | medmcqa_train |
Retinopathy of Prematurity (ROP) screening is done in the following babies | Retinopathy of Prematurity (ROP) Screening is done in
Preterm babies < 32 weeks of gestation
Babies with birth weight < 1.5 kg
Preterm babies of 32 - 34 weeks of gestation
Babies with birth weight 1.5 - 2 kg
Preterm babies of 32-34 weeks and babies with birth weight 1.5-2kg should have had bad neonatal course like:... | 16,950 | medmcqa_train |
A 56-year-old diabetic woman has recently been treated with a 2-week course of antibiotics for a skin infection. She returns to the clinic for follow-up with a new complaint of a "cottage cheese-like" vaginal discharge with significant vaginal itching. The most likely cause of these symptoms is | C. albicans is a major cause of vulvovaginitis. Patient presents with " cottage - cheese like" vaginal discharge. C. granulomatis causes granuloma inguinale. Chancroid results in painful genital ulcers and is caused by the organism H. ducreyi. HSV type 2 can cause genital vesicular lesions. N. meningitidis can cause me... | 16,951 | medmcqa_train |
Which of the following is false about elongation of cervix ? | Ans. is 'c' i.e., It is uncommon for the gland to elongate beyond 5cmsElongation of the CervixIn this condition the supravaginal poion of the cervix is well suppoed by Mackenrodt ligaments but the vaginal poion of the cervix prolapses with the vagina so the supravaginal poion gets stretched and elongated.This usually h... | 16,952 | medmcqa_train |
Most common primary bone tumour in adult bone is: March 2011 | Ans. B: Osteogenic sarcoma Of the primary bone malignancies, multiple myeloma is the commonest Osteosarcoma is the second most common, and a highly malignant primary bone tumour Osteosarcoma: Metaphyseal MC site: Lower end of femur Sunburst appearance Codman's triangle Pa:ient may present with metastasis to lungs Treef... | 16,953 | medmcqa_train |
Profound MR the IQ is below | Just learn the IQ ranges | 16,954 | medmcqa_train |
A 14-year-old boy complains of a 4-month history of fatigue, abdominal pain, and yellowing of his eyes and skin. Physical examination shows tremor of both hands, lack of coordination, and mild jaundice. An ophthalmic examination reveals Kayser-Fleischer rings. Degenerative changes are present in which of the following ... | Wilson disease is an autosomal recessive condition in which excess copper may deposit in the liver and brain. Chronic hepatitis leads to cirrhosis in young people. Ocular lesions, so-called Kayser-Fleischer rings, represent deposition of copper in Descemet membrane in the iris. Lack of coordination and tremor (extrapyr... | 16,955 | medmcqa_train |
Amoebae not found in human intestine: | Ans. d. E. gingivalis | 16,956 | medmcqa_train |
Hanging cast is used in | Refer Maheshwari 6th/e 94 Most of the closed fractures can be treated by hanging cast from shoulder to wrist with the elbow flexed to 90 degree Other methods of conservative Treatment areU-slab,chest arm bandage and functional castbrace | 16,957 | medmcqa_train |
BCG is used in tumour therapy - | Ans. is 'a' i.e., Bladder | 16,958 | medmcqa_train |
Which type of dysmenorrhea has cramping pain staing at the onset of mensus and more pronounced in the first two days of menstruation? | Cramping pain at the onset of mensus and more pronounced in the first two days of menstruation is suggestive of spasmodic dysmenorrhea. Dysmenorrhea is defined as cramping pain accompanying menstruation. It can be classified as: A.Etiological: Primary dysmenorrhoea: This is not associated with any idendifiable pelvic p... | 16,959 | medmcqa_train |
Ultrasonogrsphy of umbilical aery is done to know about | A i.e. Hea beat USG of umbilical aery is done to know about hea beatQ. | 16,960 | medmcqa_train |
All of the following are true regarding Laryngitis sicca except | ATROPHIC LARYNGITIS (LARYNGITIS SICCA) It is caused by Klebsiella ozaena. It is characterized by atrophy of laryngeal mucosa and crust formation. Condition is often seen in women and is associated with atrophic rhinitis and pharyngitis. clinical features:- Common symptoms include hoarseness of voice which temporarily i... | 16,961 | medmcqa_train |
Which interleukin is called multi - CSF | IL - 3 acts as multi - CSF. | 16,962 | medmcqa_train |
A 25 year old infeile male underwent semen analysis. Results show : sperm count - 15 million/ml ; pH - 7.5 ; volume - 2 ml ; no agglutination is seen. Morphology shows 60% normal and 60% motile sperms. Most likely diagnosis is : | Oligospermia The Semen Analysis of the patient shows : Sperm count is 15 million/ml. PH = 7.5 Volume = 2 ml Morphology = 60% normal Normal should be at least 20 million/ml i.e. this patient is oligospermic (N = > 7.2) N = at least 2 ml N = 50% Normal Morphology So, all criteria are normal except sperm count (to be spec... | 16,963 | medmcqa_train |
Different sequence of amino acids having similarstructure of proteins is an example of | Convergence [Ref: Divergence and convergence are two evolutionary processes by which organisms become adapted to their Convergence has been defined as the acquisition of morphologically similar traits between distinctly unrelated environments. organisms. Convergence occurs at every level of biological organization. Fun... | 16,964 | medmcqa_train |
A patient presents with mediastinal mass with sheets of epithelial cells giving arborizing pattern of reactivity alongwith interspersed lympoid cells. The apt diagnosis would be - | A thymoma is a tumor originating from the epithelial cells of the thymus that may be benign or malignant. Thymomas are frequently associated with the neuromuscular disorder myasthenia gravis;thymoma is found in 20% of patients with myasthenia gravis. Once diagnosed, thymomas may be removed surgically | 16,965 | medmcqa_train |
Cardiotoxicity of bupivacaine - | Ans. is 'a' i.e., Depressed pacemaker activity o Local anaesthetics block cardiac sodium channels and thus depress abnormal cardiac pacemaker activity, excitability, and conduction. At extremely high concentrations, local anaesthetics can also block calcium channels. | 16,966 | medmcqa_train |
Delta-sign is seen in - | Ans. is 'c' i.e., Sigmoid sinus thrombosiso Contrast-enhanced CT scan can show sinus thrombosis by typical delta-sign. It is a triangular area with rim enhancement, and central low density area is seen in posterior cranial fossa on axial cuts.o Delta-sign may also be seen on contrast enhanced MRI.Lateral sinus thrombos... | 16,967 | medmcqa_train |
A young patient presenting with massive hematemesis was found to have splenomegaly. In this case the most likely source of bleeding is: | Answer is B (Esophagus varices) 'Massive haematemesis in the background of splenomegaly suggests variceal bleed due to poal hypeension.' | 16,968 | medmcqa_train |
Which of these can cause hypocalcemia: | B i.e. CalcitoninCalcitonin, a hormone secreted by parafollicular cells or C cellQ of thyroid gland, lowers the serum calcium levelQ. Effect of Hormone on Calcium & Phosphate LevelHormoneSerum CalciumSerum phosphateVit DIncreasesQIncreaseQPTHIncreasesQDecreaseQCalcitoninDecreasesQDecreaseQ | 16,969 | medmcqa_train |
Which of the following local anesthetic is metabolized by liver | All of the above drugs belong to ester group of local anesthetics. All ester are metabolized in plasma except cocaine which is metabolized in liver. | 16,970 | medmcqa_train |
Posterior capsular cataract is treated by which laser? | Ans. (d) Nd YAGRef: Khurana 4/ey p 431 | 16,971 | medmcqa_train |
Commonest location for craniopharyngioma is - | Ans. is 'b' i.e., Suprasellar | 16,972 | medmcqa_train |
The middle cardiac vein is located in the? | The middle cardiac vein commences at the apex of the hea; ascends in the posterior longitudinal sulcus, and ends in the coronary sinus near its right extremity. | 16,973 | medmcqa_train |
In terminal illness, care to provide painless shoening of life is termed as: AFMC 11 | Ans. Palliative care | 16,974 | medmcqa_train |
Which of the following investigations are essential before cervical cerclage is performed? | Ans. is d, i.e. Perform an ultrasound scan for fetal abnormalities and screen for aneuploidy Before answering the question lets discuss a few details on cervical cerclage surgery.Nomenclature for cerclage applicationOld (1999)New (2007)Prophylactic, electiveHistory indicatedTherapeutic, salvageUltrasound indicatedRescu... | 16,975 | medmcqa_train |
Which one of the following is not a mydriatic? | Pilocarpin is a miotic by acting on iris sphincter muscle. Pilocarpine is a parasympathomimetic drug. It is a non-selective muscarinic receptor agonist in the parasympathetic nervous system, which acts at the muscarinic acetyl choline receptor M3. It also acts on ciliary muscles to open up trabecular meshwork, hence in... | 16,976 | medmcqa_train |
At what gestational age should a pregnancy with cholestasis of pregnancy be terminated | 38 weeks Historically obstetric cholestasis was thought to be benign disease. Biochemical abnormalities and pruritus in obstetric cholestasis persists until delivery following which resolution occurs. - Pruritus usually improves within 1 week liver function tests returns to normal in 3-7 days in the majority and 4-6 we... | 16,977 | medmcqa_train |
The method used for acid-fast staining - | Acid-fast staining
After staining with aniline dye, acid-fast organisms resist decolourisation with acids.
The method most commonly used is modified Ziehl Neelsen. | 16,978 | medmcqa_train |
Most common complication, of talus fracture is | Ans. is 'd' Avascular Necrosis Avascular necrosis of the talar body, resulting from interruption of the precarious vascular supply to the talus, is the most dreaded late complication after talar neck fractures. The risk of developing avascular necrosis in a Hawkins type I fracture is only 0% to 15%, since only the bloo... | 16,979 | medmcqa_train |
Which of the following is the anaesthetic agent of choice in renal failure? | Isoflurane is the anaesthetic drug of choice in renal failure. It is useful in all degrees of renal impairment. Due to minimal hepatic metabolism resulting in very low levels of inorganic fluorides and because of its low cardiac arrythmogenicity isoflurane is an ideal agent for patients with renal failure. Ref: Drug Do... | 16,980 | medmcqa_train |
Type of enzyme inhibition in which Vmax remains the same but Km is increased - | Ans. is 'b' i.e., Competitive Type of inhibitorKmVmaxReversible inhibbitor o Competitiveo Non-competitiveo UncompititiveIncreasedNo effectDecreasedNo effectDecreasedDecreasedIrrversible inhibitor (same as reversible competitive)No effectDecreased | 16,981 | medmcqa_train |
What type of anemia is seen in B12 deficiency: | Macrocytic anemia - In it RBC's are larger in size than their normal size Causes:- -Vitamin B12 deficiency -Folic acid deficiency -Alcoholism WITH REGARD TO OTHER OPTIONS: Normocytic anemia (option a):Causes of normocytic anemia include acute blood loss, apoplastic anemia (bone marrow failure), haemolytic anemia (abnor... | 16,982 | medmcqa_train |
The genotype of a person with blood group 'A' should be: | D i.e. AO- Highly immunogenic ABO blood group antigen is due to complex oligosaccharide (glycoprotein) found on RBC membrane. It is inherited as medelian autosomal dominantsQ.- ABO blood group system remains the most impoant blood group system in clinical practice because ABO antibodies are invariably present in plasma... | 16,983 | medmcqa_train |
Stem cells are? | Ans. is A Labile o Based on their proliferative and regenerative capacity, cells are divided into:- 1) Labile cells (continuously dividing cells) or intermitotic cells # These cells have capacity to proliferate and regenerate throughout the life. They always remain in cell cycle and have very short Go-phase (quiescentp... | 16,984 | medmcqa_train |
Poal vein is related to all except : | B. i.e. Gall Bladder | 16,985 | medmcqa_train |
Microscopic examination of articular surface of a synovial joint demonstrates? | ANSWER: (A) Hyaline cartilageREF: Basic histology, Carlos & Jose, 11th edition, Chapter 7, Cartilage, Textbook of human histology 4th e p. 92-94See APPENDIX-2 below for "Types of cartilage" APPENDIX - 2Types of Cartilages Hyaline CartilageElastic CartilageFibrocatilageCompositionType II collagenChondroitin sulfateType ... | 16,986 | medmcqa_train |
Rate limiting step in urea cycle is | UREA CYCLE: STEP 1 :One molecule of ammonia condenses with CO2 in presence of two molecules of ATP to form carbamoyl phosphate.It is the rate limiting step in urea formation. STEP 2 :Formation of Citrulline: The carbamoyl group is transferred to the NH2 group of ornithine by ornithine transcarbamoylase. STEP 3:Formatio... | 16,987 | medmcqa_train |
Grade III malnutrition according to TAP is – | Indian Academy of paediatrics (IAP) classification of malnutrition is based on weight for age.
IAP designates a weight of more than 80% of expected for age as normal.
Grades of malnutrition are -
Grade I → 71-80%
Grade II → 61-70%
Grade III → 51-61%
Grade IV → ≤ 50% | 16,988 | medmcqa_train |
Most severe pain in ureteric stone is seen in cases of? | Ans. is 'a' i.e., Oxalate stones | 16,989 | medmcqa_train |
Conversion of phenylalanine to tyrosine is hampered in - | Ans. is 'a' i.e., Phenylketonuria o Phenylketonuria is characterized by inability of oxidation of phenylalanine into tyrosine.Phenylketonuriao It is an inborn metabolism of phenylalanine, in which there is inability of oxidation of phenylalanine into tyrosine. There is defective function ofphenylalanine hydroxylase, wh... | 16,990 | medmcqa_train |
Intrauterine insemination means implantation of: | Intrauterine insemination is placement of 0.3mL of washed processed and concentrated sperms (devoid of seminal plasma)/semen into the intrauterine cavity by transcervical catheterization. | 16,991 | medmcqa_train |
Period of cornmunicability of measles is- | Ans. is 'd' i.e., 4 days before and 5 days after appearance of rashes t Ref: Park 24th/e p. 157; Community Medicine with Recent by Suryakantha 4th/e p. 328]Chicken pox : 1 - 2 days before to 4 - 5 days after appearance of rash.Measles : 4 days before to 5 days after appearance of rash.Rubella : 7 days before symptoms t... | 16,992 | medmcqa_train |
Who is known as 'First True Epidemiologist' in history of medicine? | Ans. (b) HippocratesHIPPOCRATES:* Also known as: Father of Medicine, First True Epidemiologist* Wrote book: Air, Water and PlacesALSO REMEMBER* James Lind gave the concept that Citrus fruits can prevent/cure Scurvy (Later found to be due to deficiency of Vitamin-C/ Ascorbic Acid)* Joseph Lister is also known as 'Father... | 16,993 | medmcqa_train |
What structure passes through rotater interval | Rotator interval is gap betweem supraspinatus and subscapulasis tendon.
Coracdhumeral ligament passes through it. | 16,994 | medmcqa_train |
Thrombocytopenia is not seen in: | Answer is A (H. S. Purpura) | 16,995 | medmcqa_train |
Shanti, aged 27 yrs presented with complaints of difficulty in reading near print. There is ptosis and diplopic in all directions. She is having? | B i.e. Myasthenia gravis | 16,996 | medmcqa_train |
Injury to the Ulnar nerve at the wrist causes paralysis of - | In low ulnar nerve palsy
- Adducttion of thumb is lost
- Ulnar claw hand
- Medial one and half fingers sensory loss
- Clumsy grip
- Loss of flexion at metacarpophalangeal joints. | 16,997 | medmcqa_train |
Familial hypercholesterolemia is associated with | A positive correlation exists between the incidence of atherosclerosis and the plasma concentration of LDL cholesterol. The LDL (apoB-100, E) receptor is defective in familial hypercholesterolemia, a genetic condition which blood LDL cholesterol levels are increased, causing premature atherosclerosis.Ref: Harper&;s Bio... | 16,998 | medmcqa_train |
False regarding larvae of anopheles ? | Ans. is 'a' i.e., Long siphon tube | 16,999 | medmcqa_train |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.