query stringlengths 1 1.57k | pos stringlengths 1 22.5k | idx int64 0 161k | task_name stringclasses 1
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Best radiological view for diagnosis of fracture scaphoid is: | Ans. Oblique | 150,600 | medmcqa_train |
Type-I hyperlipoproteinemia is characterized by:- | Hyperlipoproeinemia Type Increased plasma lipoproteins Increased plasma lipid (most) Probable metabolic defect I Chylomicrons Triacyglycerols Deficiency of lipoprotein lipase IIa LDL Cholesterol Deficiency of LDL receptors IIb LDL and VLDL Triacylglycerols and cholesterol Overproductionn of apo-B III IDL Triacylglycero... | 150,601 | medmcqa_train |
Earliest finding in diabetic nephropathy | Diagnosis and screening of Diabetic nephropathy Microalbuminuria is the presence in the urine of small amounts of albumin, at a concentration below that detectable using a standard urine dipstick. Ove nephropathy is defined as the presence of macroalbuminuria (urinary albumin > 300 mg/24 hrs, detectable on urine dipsti... | 150,602 | medmcqa_train |
All of the following drugs are commonly used in regimens against H. pylori except - | <p>Davidson&;s principles and practice of medicine 22nd edition. *Drugs used amoxicillin,clarithromycin,metronidazole for 7 days. *Amoxicillin ,omeprazole,bismuth subcitrate and tetracycline.</p > | 150,603 | medmcqa_train |
According to Pugh's classification moderate to severe hepatic insufficiency is managed by ? | Ans. is 'c' ie. Ohoptic liver transplantation Child-Pugh's classification is used to assess the status of pt. of liver cirrhosis. A liver cirrhotic pt. having variceal bleeding or ascites can be controlled by shunt surgery only if he falls in ChildPugh's 'A' class (or some pts. of B class). Moderate to severe grade liv... | 150,604 | medmcqa_train |
A patient on total parenteral nutrition for 20 days presents with weakness, veigo and convulsions. Diagnosis is | Clinical features for complications of Parenteral Nutrition Hypomagnesemia Weakness, muscle cramps and tremors Marked neuromuscular and CNS hyperirritability with jerking and nystagmus Hyperkalemia Interferes with neuromuscular function to produce muscle weakness which may progress to flaccid paralysis and hypoventilat... | 150,605 | medmcqa_train |
Following are the laboratory tests for the diagnosis of vestibular dysfunction except ? | Ans. is 'd' i.e., Gelle's test Vestibular system The vestibular system contributes to balance and to the sense of spatial orientation. It is a sensory system that provides the leading contribution about movement and sense of balance. It includes the labyrinth (semicircular canals and otolith : utricle & sacules) of the... | 150,606 | medmcqa_train |
The antiepileptic Drugs Which does not produce enzymes induction is: | Ref: KDT 6/e p27,408 Most anticonvulsants are enzyme inducers except valproate (inhibitor). | 150,607 | medmcqa_train |
Which immunogloblin is least impoant in human being - | Ans. is 'b' i.e., lgD | 150,608 | medmcqa_train |
Mutton fat keratic precipitate is seen in - | Ans. is 'b' i.e., Granulomatous uveitis o Mutton fat keratic precipitate and Busacca's nodule are seen in granulomatous uveitis,o KPs are proteinaceous cellular deposits occuring at the back of cornea (corneal endothelial deposits).Keratic precipitates (KPs)o KPs are proteinaceous cellular deposits occurring at the bac... | 150,609 | medmcqa_train |
True about propofol: | B i.e. Can be used in porphyria | 150,610 | medmcqa_train |
Which set of fatty acids is most effective increasing the cholesterol levels? | Lauric (12:0), myristic (14:0), and palmitic (16:0) acids raise cholesterol levels and are found primarily in animal fat and dairy products. Palmitic acid, the fatty acid that most effectively raises serum cholesterol levels, is also the major fatty acid found in palm and coconut oils. Stearic acid and fatty acids that... | 150,611 | medmcqa_train |
Posterior cord of brachial plexus is formed by? | Ans. is 'd'i.e., Dorsal divisions of upper, middle & lower trunks | 150,612 | medmcqa_train |
Which is not a side effect of dapsone ? | Ans. is 'b i.e., Myopathy Adverse effects of dapsone The most common adverse effect of dapsone is hemolytic anaemia (Patients with G-6-PP deficiency are more susceptible). Second most common adverse effect is methemoglobinemia. Other side effects are - Nausea, anorexia, headache, paresthesia, drug fever, mental symptom... | 150,613 | medmcqa_train |
Which of the following statement about the nerve supply of palate is NOT TRUE? | "Greater or anterior palatine branches of pterygopalatine ganglion supplies hard palate and lateral wall of the nose while the lesser or middle and posterior palatine nerve supply the soft palate and tonsils". All the muscles of the soft palate except tensor veli palatini are supplied by pharyngeal plexus (fibers of th... | 150,614 | medmcqa_train |
True about criggler najjar type-II syndrome is ? | Ans. is 'a' i.e., Diglucuronide deficiency | 150,615 | medmcqa_train |
A 45-year-old farmer complains of headache. Neurologic examination reveals pronator drift and mild hemiparesis on the right side. The patient's eyes and head are turned to the left side, and papilledema is visible on the left side. The lesion is most likely in which of the following coices? | Pronator drift and hemiparesis are frontal lobe signs. - Frontal eye field -> area no 8. Controls: Lateral conjugate gaze. Destruction - results in turning of the head and eyes toward the side of the lesion. Stimulation - results in contralateral turning of the eyes and head. | 150,616 | medmcqa_train |
30 years old female presents in gynaec OPD with complaints of recurrent aboions and menorahagia. Her USG showed 2 sub-serosal fibroids of 3 x 4 cm on anterior wall of uterus and fundus, which is best line of management:- | Laparoscopic myomectomy is best treatment for such young infeile patients, but it requires subserosal pedunculated fibroids and surgical expeise. Hysterectomy is advisable in patients who had completed their family. Myolysis is myoma coagulation with laparoscopic lasers. (Nd- YAG) or bipolar needle & used in perimenopa... | 150,617 | medmcqa_train |
Therapeutic indications of Laparoscopy in gynecology are all except | All of the options are therapeutic indications of Laparoscopy. | 150,618 | medmcqa_train |
Which of the follwing patients is most likely to be treated with intravenous glucagon? | (Ref: KDT 6/e p274) Glucagon is the antidote of b-blocker poisoning. It acts by increasing cAMP in the hea stimulation of glucagon receptors. Cyclic AMP stinulates the hea. Calcium gluconate can also be used for the treatment of b-blocker poisoning. | 150,619 | medmcqa_train |
Clinical findings suggestive of adequacy of pelvis for vaginal delivery are all except? | Ans. is 'b' i.e., Interspinous diameter > 8 cmClinical findings suggestive of adequacy of pelvis for vaginal delivery are:Findings indicating adequate pelvisForepelvis (pelvic brim)RoundDiagonal conjugate11.5 cmSymphysisAverage thickness, parallel to sacrumSacrumHollow, average inclinationSide wallsStraightIschial spin... | 150,620 | medmcqa_train |
All of the following is an example of squamous metaplasia except: | In Barrett esophagus, in which the esophageal squamous epithelium is replaced by intestinal-like columnar cells under the influence of refluxed gastric acid. Options analysis Cervix in case of chronic irritation show squamous metaplasia The most common epithelial metaplasia is columnar to squamous as occurs in the resp... | 150,621 | medmcqa_train |
A farmer working in the sugar cane industry comes to you for advice on how to prevent fungal infection (bagassosis) of the lung. His elder brother was diagnosed to have bagassosis 1 month ago. You would advise him to spray the sugar cane with which of the following? | Bagassosis is caused due to thermoactinomyces sacchari. The preventive measures include dust control, personal protection using masks etc. Pre Placement medical assessment followed by periodical medical check up and spraying the bagasse with 2% propionic acid. Keeping the humidity over 20% is also helpful. Ref: Park, E... | 150,622 | medmcqa_train |
For obesity BMI should be:- | park25th edition pageno:-428 classification BMI RISK OF COMORBIDITIES UNDERWEIGHT <18.5 LOW NORMAL RANGE 18.5-24.99 AVERAGE OVERWEIGHT: >25.00 Pre- obese 25.00-29.99 INCREASED Obese class 1 30.00-34.99 MODERATE Obese class 2 35.00-39.99 SEVERE Obese class 3 >40.00 VERY SEVERE | 150,623 | medmcqa_train |
All the following are used in a patient with decreased renal function (reduced GFR) in order to avoid contrast nephropathy except | . | 150,624 | medmcqa_train |
A chronic alcoholic develops palpitations suddenly after alcohol binge. His pulse is irregularly irregular Which of the following arrythmia is most commonly associated with alcohol binge in the alcoholics ? | Atrial fibrillation (AF or A-fib) is an abnormal hea rhythm characterized by rapid and irregular beating of the atrial chambers of the hea. Often it stas as brief periods of abnormal beating which become longer and possibly constant over time.Often episodes have no symptoms. Occasionally there may be hea palpitations, ... | 150,625 | medmcqa_train |
Treatment of papillary carcinoma thyroid with level VI lymph
node metastasis is | IF level VI is affected then CND is done. If any other LN is involved then modified radical neck dissection is preferred. | 150,626 | medmcqa_train |
Shortest acting Mydriatic and Cycloplegic is | Shortest acting Mydriatic and Cycloplegic is Tropicamide.
Phenylephrine is only mydriatic with no cycloplegic property. | 150,627 | medmcqa_train |
Acute flaccid paralysis is repoed in a child aged - | - one of the strategy for polio eradication in India is improving surveillance capable of detecting all cases of AFP due to prohibit non polio etiology. - AFP surveillance is done in all children below age of 15 years. Reference : Park's textbook of preventive and social medicine, 23rd edition, pg no:208,209 <\p> | 150,628 | medmcqa_train |
Which of the following does not stimulate enterogastric reflex? | Enterogastric reflex: signals from the colon and small intestine to inhibit stomach motility and stomach secretion.The types of factors that are continually monitored in the duodenum and can initiate enterogastric inhibitory reflexes include the following:1. Distention of the duodenum2. The presence of any irritation o... | 150,629 | medmcqa_train |
Which pa of orbicularis oculi is known as Horner's muscle: | Ans. Lacrimal | 150,630 | medmcqa_train |
Thrombotic event is seen in all of the following, except: | Primary or idiopathic ITP -Two clinical subtypes: acute and chronic. -Both are autoimmune disorders in which platelet destruction results from the formation of antiplatelet autoantibodies. -Associated with increased bleeding tendency and not thrombosis. PNH The triad of hemolysis, pancytopenia, and thrombosis is unique... | 150,631 | medmcqa_train |
Maternal Rubella, in newborn causes all Except | Rubella - Postnatal infectionComplications of Rubella*Rash spreads from head to torso & extremities.*Forschheimer spots-petechiae haemorrhages on the soft palate.*Rash duration -3 days.*Suboccipital adenopathy.*MC test - IgM Rubella ELISA*Post infectious thrombocytopenia.*Self-limiting small joint ahritis in adults.*Po... | 150,632 | medmcqa_train |
Eruption of temporary teeth will be completed by : | B i.e. 2-21/2 years | 150,633 | medmcqa_train |
Substance which binds to substrate other than catalytic enzyme is ? | Ans. is 'b' i.e., Non-competitive inhibitor Non-competitive inhibitor In this type of inhibition no competition occurs between substrate and inhibitor. Inhibitor is structurally different from substrate and binds to enzyme at a site other than the substrate binding (catalytic) site. Occupancy of this site by the inhibi... | 150,634 | medmcqa_train |
Most common type of monozygotic twin pregnancy at 4th-8th day of cell division | In monozygotic twins, chorionicity depends upon time of cell division. Time of cell division Chorionicity of placenta First 72 hours post feilization(morula stage) DCDA 4-8th day(blastocyst stage) MCDA(MC type of monozygotic twins) 8-12th day MCMA >12th day Conjoined/Siamese twins, type of MCMA(fusion of embryonic disc... | 150,635 | medmcqa_train |
Average head circumference at bih is ? | O.P. Ghai 9th ed, page 14 Beginning at 34 cm at bih, the head circumference increases approximately 2 cm per month for first 3 months, 1 cm per month from 3-6 months and 0.5 cm per month for rhe rest of the first year of life. | 150,636 | medmcqa_train |
Cornea melts without inflammation in which condition - | Keratomalacia
It is a common condition in developing countries and is due to deficiency of vitamin A.
The condition is usually bilateral.
In keratomalacia, the cornea becomes dull and insensitive, hazy and yellow infiltrates form until finally the whole tissue undergoes necrosis and seems to melt away within a few h... | 150,637 | medmcqa_train |
Select the drug which is neither analgesic, nor anti- inflammatory, nor uricosuric, but is highly efficacious in acute gout | Colchicine Colchicine is neither analgesic nor anti- inflammatory, but it specifically suppresses gouty inflammation. It does not inhibit the synthesis or promote the excretion of uric acid. Thus, it has no effect on blood uric acid levels. pathophysiology of gout:- An acute attack of gout is staed by the precipitation... | 150,638 | medmcqa_train |
The following are characteristic of tumour lysis syndrome except - | Tumour Lysis Syndrome More common with NHL, Myeloma and acute leukaemia management Rapid tumour cell death releases intracellular contents resulting in hyperkalaemia, hyperphosphataemia, hyperuricaemia and renal failure. Prevention is with adequate hydration and Allopurinol 300-600 mg QID PO Sodium bicarbonate 50 mEq/L... | 150,639 | medmcqa_train |
Which of the following interactions contributes most to protein folding | Protein folding: *The number of distinct combinations of phi and psi angles specifying potential conformations of even a relatively small-- 15 kDa--polypeptide is unbelievably vast, native conformation is specified in the primary sequence. In nature, protein folding takes place in a more orderly and guided fashion.*Pro... | 150,640 | medmcqa_train |
Receptor of EBV is | EBV binds to CD21 or CR2 receptor. | 150,641 | medmcqa_train |
Non immune hydrops is seen in? | Alpha thalassemia major REF: Fetology: diagnosis and management of the fetal patient by Diana W. Bianchi, Timothy Crombleholme, Mary E. D'Alton Page 893, http://en.wikipedia.org/wiki/Hydrops_fetalisImmune_causes Non-Immune causes of Hydrops The non-immune form of hydrops fetalis has many causes including: Iron deficien... | 150,642 | medmcqa_train |
DOC in primary syphillis is – | Benzathine penicillin is the drug of choice for primary, secondary, latent and tertiary syphilis (except for neurosyphilis). For neurosyphilis aqueous penicillin G is the drug of choice. | 150,643 | medmcqa_train |
Lithium is not used in the treatment of which of the following | uses of lithium is impoant it is used in several disorders like vascular headache mania depression drug induced neutropenia suicidal ideas in mania Ref.Kaplon and sadock, synopsis of psychiatry, 11 th edition, pg no. 983 | 150,644 | medmcqa_train |
About HUS all are true except : | Causes mild to severe Coombs positive hemolytic anemia Hemolytic-uremic syndrome (H.U.S.) is the most common cause of acute renal failure in young children. It is classically characterized by the triad of - Microangiopathic hemolytic anemia - Thrombocytopenia - Uremia Etiology Hemolytic uremic syndrome is preceeded by ... | 150,645 | medmcqa_train |
Features of diabetic nonproliferative retinopathy are all except- | Diabetic retinopathy is classified into two stages: nonproliferative and proliferative. Nonproliferative diabetic retinopathy usually appears late in the first decade or early in the second decade of the disease and is marked by retinal vascular microaneurysms, blot hemorrhages, and cotton-wool spots (soft exudate). Mi... | 150,646 | medmcqa_train |
Anti tobacco day is:- | 31 may: Anti-tobacco day 1 july: doctor's day 24 march: anti TB day 1 december: World AIDS day | 150,647 | medmcqa_train |
WHO Malaria Mass Drug Administration ? | Ans. is 'b' i.e., >2 First you should know what does mass prophylaxis mean in malaria. o In areas with high malaria prevalence, presumptive treatment is given to all people. This is know as mass treatment. Presumptive treatment is given when API is >2 (see above explanation). | 150,648 | medmcqa_train |
Which of the following sequence is directed in a retrograde manner to EPR in COP-1 vesicles? | KDEL sequence ( lysine - aspaate - glutamate - leucine ) at carboxy terminal first travel to GA in COP-2 vesicles, interact with their specific receptor protein. then they return in a COP-1 vesicle to EPR, get dissociate from their receptor & are retrieved. Reference: Harper; 30th edition | 150,649 | medmcqa_train |
All are been in Pancoast syndrome except | Pancoast tumour invades brachial plexus,sympathetic chain,upper ribs,and veebrae.Dyspnoea can occur due to loss of functioning lung tissue/the development of a large pleural effusion.Clubbing and hyperophic pulmonary osteoahropathy can also occur. Bailey & Love's sho practise of surgery,25 th edition,page no:885 | 150,650 | medmcqa_train |
Which of the following is not a common cause of vasculitis in adults? | Kawasaki disease (mucocutaneous lymph node syndrome) is an aeritis that often involves the coronary aeries (large- to medium-sized vessel aeritis), usually in young children and infants (majority of the cases are seen in <5 years old). | 150,651 | medmcqa_train |
Which of the following is the BEST indicator of ovarian reserve? | Measurement of rise in basal FSH is an excellent indicator of ovarian aging. As women age serum FSH concentrations in the early follicular phase begins to increase due to a decline in the number of small follicles secreting inhibin. Day 3 FSH concentration greater than 20 to 25 IU/L is considered to be elevated and is ... | 150,652 | medmcqa_train |
As per WHO, notifiable disease is | Cholera Cholera is an acute diarrhoea disease caused by Vibrio cholera Vibrio cholera : 'Gram-negative bacterium' that produces cholera toxin (enterotoxin), which act on C-AMP system of mucosal cells of epithelium lining of the small intestine (to cause massive diarrhoea) Classic biotype El Tor biotype (serotypes: Ogaw... | 150,653 | medmcqa_train |
Sensory nerve supply of pinna is: | Auriculotemporal nerve, a branch of mandibular nerve (V3) supplies the external acoustic meatus, external surface of auricle above this, skin of temporal region and TM joint. | 150,654 | medmcqa_train |
The following tendons pass under extensor retinaculum except | RETINACULA:- Around the ankle, the deep fascia is thickened to form bands called retinacula.Front of ankle- superior and inferior extensor retinaculaLateral-superior and inferior peroneal retinacula.Posteromedially- extensor retinacula. Superior extensor retinacula:- Attachments-Medially-lower pa of anterior border of ... | 150,655 | medmcqa_train |
Wernicke&;s encephalopathy in alcohol consumption can be treated with | Alcohol-Induced Amnestic Disorder: (1) Wernicke's encephalopathy, Confabulation, Ataxia, Ophthalmoplegia (gaze palsy, lateral orbital palsy)horizontal nystagmus tends to reverse rapidly with thiamine supplementation. it can be remebered with a mnemonic GOA G====Global confusion O====ophthalmoplegia A====Ataxia (2) Kors... | 150,656 | medmcqa_train |
Li is best used in - | Most important indications of lithium are treatment of acute mania and prophylaxis of bipolar mood disorder, i.e. manic - depressive illness. | 150,657 | medmcqa_train |
A young butcher cuts his forearm with a knife. Over the next week, he notices swelling, redness, and warmth at the site. Four days later, he presents to the emergency depament with fever, shaking chills and severe lower back pain. Physical examination reveals a temperature of 39.4 C (102.9 F), swelling in his forearm w... | This organism is a gram positive coccus organized into grape-like clusters. It produces a yellow pigment and the positive mannitol salt agar test showed that it could ferment mannitol and had a high salt tolerance. This organism is catalase positive and coagulase positive, two critical tests for the correct identificat... | 150,658 | medmcqa_train |
Theophylline levels are increased in all, except | Ans. is 'b' i.e., Smoking Smoking induces theophylline metabolism and decreases its plasma level.In certain conditions theophylline concentration is increased, so its dose has to be reduced.These conditions are - Age > 60 years CHFPneumonia Liver failureDrugs causing increased concentration of theophyllineErythromycinC... | 150,659 | medmcqa_train |
Most common Glycogen storage disorder to be present in adolescents is? | Mc Ardle disease (Type V GSD) due to muscle phosphorylase deficiency is the most common GSD to present in adolescents & adults. | 150,660 | medmcqa_train |
Retinoblastoma is | (Autosomal dominant) (280- Khurana 4th)RETINOBLASTOMA - Most common intraocular tumour of childhood and malignant melanoma of choroid in adults*** Identified as band on the long arm of chromosome 13(13ql4)* Most hereditary cases are multifocal* Inheritance is autosomal dominant and the risk of transmitting the gene mut... | 150,661 | medmcqa_train |
Coronary blood flow to the left ventricle increases during all Except | During early systole, coronary blood flow falls as coronary vessels are compressed by the contracting myocardium.A fall in PO2 has a potent vasodilator effect on coronary vessels. Adenosine released from hypoxic myocardium is also a potent vasodilator.Sympathetic stimulation increases the rate and force of contraction;... | 150,662 | medmcqa_train |
Treatment of choice for asymptomatic pseudocyst pancreas is? | ANSWER: (B) ConservativeREF: Sabiston 18th ed chapter 56Recent reports have shown that many pseudocysts eventually resolve without complications. Intervention is not mandatory in all cases unless the pseudocysts areSymptomaticEnlargingAssociated with complications.The likelihood that a pseudocyst will resolve spontaneo... | 150,663 | medmcqa_train |
Factor which activates prekallikrein - | Ans. is 'd' i.e., Factor XIIo Initiation of intrinsic coagulation pathway occurs when factor XII is exposed to negatively charged surfaceo This leads to activation of factor XII to XIIa.o Factor XIIa can then hydrolyze prekallikrein to kallikrein, which in turn activates more XII to XIIa. | 150,664 | medmcqa_train |
Which one of the following brain tumors is highly vascular in nature? | Ans. B. MeningiomasA number of neoplastic lesions in the head and neck area are hypervascular, most commonly meningiomas and hemangioblastoma intra cranially and Paragangliomas and juvenile nasopharyngeal angio fibromas extra cranially. | 150,665 | medmcqa_train |
Preferential expression of same gene depending on parent of origin is referred to as: | Genomic imprinting Phenomenon that leads to preferential expression of an allele depending on its, parental origin. Eg : Beckwith Wiedemann syndrome (have two paternal but no maternal copies of chromosome 11). Albright's hereditary osteodystrophy (sho stature, brachydactyly and PTH resistance). | 150,666 | medmcqa_train |
A 35 years old man presenting with acute pancreatitis. Ideal fluid of choice: | Ans. a. Isotonic crystalloidRef: Harrisons Principle of Internal Medicine 19th Ed; Page No-2096Aggressive intravenous fluid resuscitation; is the most important treatment intervention for acute pancreatitis.For rest the pancreas; the patient is made NPO and to control abdominal pain narcotic analgesics given intravenou... | 150,667 | medmcqa_train |
In excessive burns, least useful is - | We know that Ringer's lactate is the preferred agent during initial 24 hrs.
Nasogastric intubation is done to decrease the risk of emesis and possible aspiration (as parlytic ileus develops in a pt. with significant burn)
Dextran is a colloid and can be used in 2nd 24 hrs., however albumin is the preferred and most wid... | 150,668 | medmcqa_train |
Maximum iron absorption occurs in | Iron is absorbed from upper small intestine mainly duodenum. In diet, iron occurs in two forms, haem iron and inorganic (non-haem) iron.
Haem iron is better absorbed than inorganic iron, but the major fraction of diet is inorganic iron. Inorganic iron is mostly in ferric form; needs to be reduced to ferrous form becau... | 150,669 | medmcqa_train |
Eversion occurs at the following joints - | Joints taking part in inversion and eversion of foot.
Principal joints- Subtalar, talocalcaneonavicular
Accessory joints- calcaneocuboid, talonavicular | 150,670 | medmcqa_train |
Which is true about Familial hypocalciuric hypercalcemia? | Familial hypocalciuric hypercalcemia is an autosomal dominant disorder. Hence choice A is wrong. The mutation in PTH receptor is known as Jansen disease. Hence choice B is wrong. The cause is defective calcium sensing by parathyroid gland leading to excess release of PTH and subsequent hypercalcemia. Urinary reabsorpti... | 150,671 | medmcqa_train |
Contraindication of rota virus vaccine is - | Ans. is 'd' i.e., All of aboveGuide to Contraindications1 and Precautions to Commonly Used VaccinesVaccineContraindicationsPrecautionsHepatitis B (HepB)o Severe allergic reaction (e.g., anaphylaxis) after a previous dose or to a vaccine componento Moderate or severe acute illness with or without fevero Infant weighing ... | 150,672 | medmcqa_train |
Lanugo hair first appears in a fetus at: UP 07 | Ans. 4th month | 150,673 | medmcqa_train |
Leydig cells are derived embryologically from | Ans. is 'a' i.e., Mesoderm of gonadal ridge Testosterone producing cells, called leyding cells, develop from mesoderm of the gonadal ridge and are located between sex cords.They produce testosterone by week 8. | 150,674 | medmcqa_train |
A young female presented with consumption of some substance in the emergency depament. Greenish blue froth was seen coming out of her nostrils and oral cavity. The poisoning is most likely due to which of the following | Ans. b. Copper poisoning | 150,675 | medmcqa_train |
In SDS-PAGE (Sodium Dodecyl Sulfate-Polyacrylamide Gel Electrophoresis) proteins are separated on basis of: | A i.e. Mass | 150,676 | medmcqa_train |
Most common cause of diarrhea in children of developing countries is: | ETEC Most frequent bacterial cause of diarrhea in children of developing countries. Most common cause of traveler's diarrhea. EPEC Cause infantile diarrhea (outbreaks) Rarely sporadic diarrhea in adults. | 150,677 | medmcqa_train |
Secondary vesical calculus refers to stones formed due to: | • Most vesical calculi are formed de novo within the bladder, but some initially may have formed within the kidneys as a dissociated Randall plaque or on a sloughed papilla and subsequently may have passed into the bladder, where additional deposition of crystals cause the stone to grow.
• Most renal stones that are sm... | 150,678 | medmcqa_train |
Alpha agonist has all of the following actions except: September 2009 | Ans. C: General Anesthesia Alpha-adrenoceptor agonists bind to alpha-receptors on vascular smooth muscle and induce smooth contraction and vasoconstriction, thus mimicking the effects of sympathetic adrenergic nerve activation to the blood vessels. Vascular smooth muscle has two types of alpha-adrenoceptors: alphal and... | 150,679 | medmcqa_train |
Giant cells seen | Giant cell tumors of bone also known as osteoclastomas are relatively common bone tumors, usually benign which are arising from metaphsis and typically extending into epiphysis of the long bones. Young adults of ages 20-40 are more prone to these conditions. In a x ray we can find soap bubble appearance . >aicles > REF... | 150,680 | medmcqa_train |
Enlarged corneal nerves may be seen in all of the following except: | Enlarged corneal nerves not seen in Herpes simplex keratitis. Ref:Color Atlas of Ophthalmology: The Quick-Reference Manual for Diagnosis and Treatment By Amar Agarwal, Soosan Jacob, 2009, Page 191 | 150,681 | medmcqa_train |
Coverings of graffian follicle are all EXCEPT: | ANSWER: (C) Germinal cellsREF: Ganong s 22nd ed chapter 23Coverings of the mature or graffian follicle are (From inner to outer)Innermost the Granulosa cellsThe theca internaThe theca externa | 150,682 | medmcqa_train |
A conceptus material (foetus) was found by police has been brought of 4 cm length and 10 gm weight. What is the age? | Age of foetus is calculated by 'Rule of Haase'. The length of the foetus is measured from the crown to the heel in centimetres. During the first five months of pregnancy the square root of the length gives the approximate age of the foetus in months. During the last five months, the length in cm divided by five gives t... | 150,683 | medmcqa_train |
All of the following are true about regional blood flow in pregnancy except : | REGIONAL DISTRIBUTION OF BLOOD FLOW: Uterine blood flow is increased from 50 mL/min in non-pregnant state to about 750 mL near term. The increase is due to the combined effect of uteroplacental and fetoplacental vasodilatation. The vasodilatation is due to the smooth muscle relaxing effects of progesterone, estrogen, n... | 150,684 | medmcqa_train |
All of the statements about quarantine are true except | Quarantine is defined as the limitation of freedom of movement of such well persons or domestic animals exposed to communicable disease for a period of time not longer than the longest usual incubation period of the disease in such manner as to prevent effective contact with those not exposed. In contrast to isolation,... | 150,685 | medmcqa_train |
All of the following are superficial muscles of the back, EXCEPT? | Trapezius, levator scapulae, rhomboid major, rhomboid minor, and latissimus dorsi constitute the superficial muscles of the back. Erector spinae, splenius, transversospinalis, and suboccipital muscles constitute the deep muscles of the back. Erector spinae muscle:Iliocostalis, longissimus, and the spinalis muscles toge... | 150,686 | medmcqa_train |
ICD - 10 code in XXI includes all except | Chapter XXI includes factors influencing health status and contact with health services Ref : Park&;s textbook of preventive and social medicine; 23rd edition - page no 50 | 150,687 | medmcqa_train |
In classic Barret's, the length of columnar epithelium in distal oesophagus is | Classic Barrett's (>= 3cm columnar epithelium);Sho-segment Barrett's (<3 cm of columnar epithelium);Cardia metaplasia (intestinal metaplasia at the oesophagogastric junction without any macroscopic change at endoscopy).The relative risk of cancer rises with increasing length of abnormal mucosa. | 150,688 | medmcqa_train |
Carcinoma cervix is associated with all except : | Diabetes mellitus | 150,689 | medmcqa_train |
Apheresis platelet donation--true is all except: | Ans. A.A person with below normal platelet count can donateExplanationSpecific Eligibility Criteria for Apheresis Platelet DonorsAge: 18-60 years and Weight- 50 kg (This is not just for platelet donation but also for all blood and blood product donations in India)Donor platelet count must be > 1,50,000/dL (Option a)If ... | 150,690 | medmcqa_train |
Color of hemosiderin is? | Ans. (b) Brown(Ref: Robbins 9th/pg 64; 8th/pg 36-38)Hemosiderin is yellowish-brown granular pigment formed from breakdown of Hb in RE cells; composed of ferritin complex. | 150,691 | medmcqa_train |
A perception experienced in the absence of an external stimulus in clear consciousness is: | Ans. B. Hallucination3 criteria are essential for definition of hallucination:(A) Percept-like experience in the absence of an external stimulus;(B) Percept-like experience that has the full force and impact of a real perception; and(C) Percept-like experience that is unwilled, occurs spontaneously, and cannot be readi... | 150,692 | medmcqa_train |
Therapeutic drug monitoring is used in - | Ans. is 'd' i.e., Digoxin Therapeutic drug monitoring is particularly useful in following situations -1. Drugs with low safety margin -a) Digoxinb) Anticonvulsantsc) A ntiarryth micsd) Theophyllinee) Aminoglycoside antibioticsf) Lithiumg) Tricyclic antidepressants2. If individual variations are large - Antidepressants,... | 150,693 | medmcqa_train |
Which of the following is the allosteric activator of carbamoyl phosphate synthase I? | Carbamoyl phosphate synthase I is the rate-limiting enzyme of the urea cycle Active only in the presence of N-acetylglutamate(NAG), an allosteric activator that enhances the affinity of the synthase for ATP. Arginine is the allosteric activator of NAG synthase. | 150,694 | medmcqa_train |
Sistrunk's operation is used ina) Parotid tumourb) Thyroglossal fistulac) Thyroglossal cystd) Branchial fistula | Thyroglossal Cyst Cystic swelling developed in the remnant of the thyroglossal duct or tract Present in any pa of the thyroglossal tract (extends from foramen caecum to isthmus of thyroid) Common sites Subhyoid (MC) Floor of mouth Region of thyroid cailage Suprahyoid Beneath the foramen caecum Clinical features It is a... | 150,695 | medmcqa_train |
An old man was brought to OP by his son telling that his father is having habit of washing his hands 'n' number of times and repetition of other daily routines as well. Characteristic of obsession are all, EXCEPT: | According to the DSM-IV, obsessive-compulsive disorder (OCD) is characterized by recurrent obsessions or compulsions that are ego-dystonic and time-consuming and that interfere with normal functioning. Compulsions or compulsive behavior may result when patients engage in repetitive behavior in an attempt to reduce anxi... | 150,696 | medmcqa_train |
All are true about selenocystiene EXCEPT: | Selenocysteine is found in approximately 25 human proteins. Enzymes which use selenocysteine at their active sites are known as Selenoproteins e.g. 1. Glutathione peroxidase 2. Thioredoxinreductase 3. Iodothyroninedeiodinase Precursor amino acid for selenocysteine is serine. (not cysteine or methionine) Coded by UGA co... | 150,697 | medmcqa_train |
All true about airway management in obese patient except:- | Airway management in obese Excess fatty tissue tends to make access (intubation, tracheostomy) worse than in lean patients. Proper planning and preparation of airway management is essential: Elevation of the patient's upper body, head and neck. Preoxygenation is mandatory in morbidly obese patients and should be follow... | 150,698 | medmcqa_train |
Tone decay test is done for: | (b) Neural deafness(Ref. Anirban Biswas, 5th ed. 56)Tone decay is a function of nerve fatigue.If the nerves are fatigued the patient stops hearing a sound given to him continuously before the completion of 1 minute.A tone decay of more than 30dB is suggestive of retrocochlear or neural deafness | 150,699 | medmcqa_train |
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