query stringlengths 1 1.57k | pos stringlengths 1 22.5k | idx int64 0 161k | task_name stringclasses 1
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All of the following are known to cause biliary obstruction EXCEPT: March 2013 | Ans. C i.e. Ancylostoma Site of locution of Ancylostoma is small intestine | 21,300 | medmcqa_train |
A lady while driving a car meets with an accident. She was admitted in an ICU for 6 months. After being discharged she often gets up in night and feels terrified. She is a afraid to sit in a car again. The diagnosis is | D i.e. Post traumatic stress disorder | 21,301 | medmcqa_train |
Linnitis plastica is commonly seen in: | Linnitis plastica in carcinoma stomach leads to diffuse mural involvement by tumour and leads to decrease distensibility of stomach and complaints of early satiety. | 21,302 | medmcqa_train |
All of the following muscles are paralyzed in trauma to median nerve at the, wrist except - | Median nerve supply in hand
- Flexor pollicis brevis
- Opponens pollicis
- Abductor pollicis brevis
- First two lumbricals | 21,303 | medmcqa_train |
Measurement of all proteins expressed in cell or tissue is | Geomics - Study of all DNA sequences.
Epigenetics - heritable changes in gene expression that are not caused by alteration in DNA sequence. | 21,304 | medmcqa_train |
Arterial blood gas analysis of a patient reveals-pH 7.2, HCO3 36 mmol/L pCO2 60 mm of Hg. The abnormality is - | In this patient
pH → decreased (acidosis) N → 7.4
HCO3- → Increased (N → 24 mm Hg ± 2)
PCO2 → Increased (N → 40 Hg ± 2 )
First step
Determine whether it is acidosis or alkalosis
Decreased pH (7.2) suggests acidosis.
Second step
observe HCO3-/PCO2 to determine the cause of acidosis or alkalosis
PCO2 is increased whic... | 21,305 | medmcqa_train |
A lady with 32wks and 3 days of pregnancy presents with vaginal bleeding. A recent USG done on her mentioned a placenta pre. in which of the following situation it is possible to do a conservative management ? | APH in placenta pre First episode of bleeding in placenta Pre usually subsides with conservative management in 90% of cases. Thus APH prior to 34 weeks may be managed conservatively. This is the basis of the Mcaffee Jhonsons conservative management in APH due to placenta pre Conservative management is contraIndicated w... | 21,306 | medmcqa_train |
All are seen in Rheumatoid arthritis EXCEPT: | Ans. (b) Heberden's nodesRef: Harrison 18th ed. / ch. 332*"Heberderis nodes are hard or bony swellings that develop in the distal interphalangeal joints (DIP) in a case of osteoarthritis"Clinical Features of Rheumatoid Arthritis*The presenting symptoms of RA typically result from inflammation of the joints, tendons, an... | 21,307 | medmcqa_train |
HE LLP syndrome includes - | Ans-ALow platelet count HELLP syndromeo It is an acronym for Haemolysis (H), Elevated liver enzyme (E) (AST & ALT>70IU/L, LDH > 600IU/L), Low platelet count (L) (<100000/mm3).o It is a rare complication of pre-eclampsia but may develop even without hypertension,o Manifested by nausea, vomiting, epigastric or right uppe... | 21,308 | medmcqa_train |
Which of the following is Calcivirus - | HEV resembles calicivirus REF:MICROBIOLOGY ANANTHA NARAYANAN NINTH EDITION PAGE.550 | 21,309 | medmcqa_train |
Hereditary fructose intolerance is due to deficiency of: | Ans. A. Aldolase B(Ref: Nelson 20/e Chapter Defects in Metabolism of Carbohydrates)Heriditary fructose intolerance due to deficiency of Aldolase BEssential fructosuria due to deficiency of fructokinase | 21,310 | medmcqa_train |
What is the use of the instrument shown below in Neurosurgery? | Ans. (b) Burr hole* Single best answer here- Burr hole | 21,311 | medmcqa_train |
All are true regarding retinoblastoma except: | Rb gene aka "Governor of the cell cycle" is a key negative regulator of the G1/S cell cycle transition. Rb gene is located on 13q14 chromosome. To explain the two patterns of occurrence of retinoblastoma, Knudson proposed his now canonic "two hit" hypothesis of oncogenesis. Two mutations (hits), involving both alleles ... | 21,312 | medmcqa_train |
Infection with which of the following agents is paicularly dangerous for anemic patients - | parvo virus induces aplastic crisis in childrens with chronic hemolytic anemia REF:MICROBIOLOGY ANANTHA NARAYANAN NINTH EDITION PAGE554 | 21,313 | medmcqa_train |
Right coronary artery supplies all EXCEPT: | Ans. C Anterior interventricular grooveRef: BDC's Human Anatomy, 6th ed. Vol: 1 pg. 264-65* The entire heart is supplied by two coronary arteries, arising from the ascending aorta. They run in coronary sulcus.* Anterior interventricular groove is supplied by left coronary artery.Right Coronary Artery Supplies* Right at... | 21,314 | medmcqa_train |
Bleeding time is increased in all except: | aPTT is increased in acquired hemophilia Glanzmann's Thrombasthenia: AR, platelet lack receptor of Gp IIb/IIIa for fibrinogen, which form the bridges between platelets during aggregation. Glanzmann's thrombasthenia is a defect of platelet function(aggregation). It presents as superficial mucocutaneous bleeding with nor... | 21,315 | medmcqa_train |
Anovulatory cycles are characterized by which of the following? | The luteal phase of the menstrual cycle follows ovulation and is characterized by an increase in progesterone secretion by the corpus luteum. With anovulatory cycles, the corpus luteum does not form and progesterone levels remain low. Fuhermore, with anovulatory cycles, the characteristic surge of LH and FSH at midcycl... | 21,316 | medmcqa_train |
Which is not seen in retinitis pigmentosa: | Ans. Retinal haemorrhages | 21,317 | medmcqa_train |
SRY gene is located on | The elaboration of H-Y antigen complex in the sho arm of Y chromosome is known as sex determining region(SRY), which induces testicular development Ovarian determinant : Unless SRY is expressed ovarian development ensues in the presence of XX karyotype SHAW&;S TEXTBOOK OF GYNAECOLOGY,Pg no:106,15th edition | 21,318 | medmcqa_train |
Periodicity is a characteristic feature in which sinus infection | A frontal headache is usually severe and localized over affected sinus.
It shows characteristic periodicity, ie., comes upon waking, gradually increases and reaches its peak by about midday and then starts subsiding.
It is also called "an office headache" because of its presence during the office hours. | 21,319 | medmcqa_train |
A 64-year-old woman presents with 6 weeks of fatigue, dyspnea, and night sweats. She has lost 11 lb. She has no history of trauma, has never had surgery, and takes no medications. Chest x-ray reveals a large right-sided pleural effusion. Thoracentesis yields pleural fluid that appears milky. Pleural fluid triglyceride ... | This patient has a chylothorax. In chylothorax, the pleural fluid appears milky and has a triglyceride level over 110 mg/dL. Chylothorax occurs when chyle accumulates in the pleural space due to disruption of the thoracic duct. This is most often due to traumatic or surgical injury to the thoracic duct. In this patient... | 21,320 | medmcqa_train |
Filgrastim is a. | Filgrastim is a recombinant G-CSF. From medical pharmacology padmaja 4th edition Page no 333 | 21,321 | medmcqa_train |
Which of the following is seen during pregnancy? | Respiratory alkalosis REF: Dutta 6th ed p. 55 Pregnancy is a state of respiratory alkalosis, hyperventillation is seen in it. | 21,322 | medmcqa_train |
Early gastric cancer generally indicates : | Answer is C (Gastric adenocarcinoma confined to mucosa and submucosa): Early gastric carcinoma is defined as a lesion confined to the mucosa and submucosa regardless of the presence or absence of perigastric lymphnode metastasis | 21,323 | medmcqa_train |
Which of the following is not true regarding ETC? | Ans. is 'c' i.e., No role of inorganic phosphate | 21,324 | medmcqa_train |
Cilioretinal A is a branch of | The posterior ciliary aery (PCA) circulation is the main source of blood supply to the optic nerve head (ONH), and it also supplies the choroid up to the equator, the retinal pigment epithelium (RPE), the outer 130 mm of retina (and, when a cilioretinal aery is present, the entire thickness of the retina in that region... | 21,325 | medmcqa_train |
What is the treatment of choice of unrupturece tubal pergnancy with serum b-hCG titre 20001 U1 ml: | Ans. is a i.e Single dose of methotrexate The lady in the question is presenting with unruptured ectopic pregnancy with BhCG levels - 2000IU/L. So there is not doubt we can manage the patient medically (i.e. option d - ruled out) Expectant management as explained earlier is not better than medical management as it carr... | 21,326 | medmcqa_train |
In hemolytic anemia, all of the following are true except: March 2005 | Ans. D: Increased haptoglobulin Hemolysis presents as acute or chronic anemia, reticulocytosis, or jaundice. The diagnosis is established by reticulocytosis, increased unconjugated bilirubin and lactate dehydrogenase, decreased haptoglobin, and peripheral blood smear findings. In most of the cases, a bone marrow aspira... | 21,327 | medmcqa_train |
Which is not a feature of organophosphorus poisoning: | C i.e. Tachycardia | 21,328 | medmcqa_train |
Natural history of disease can be studied from | Longitudinal studies There is an increasing emphasis on the value of longitudinal studies in which observations are repeated in the same population over a prolonged period of time by means of follow-up examinations. Cross-sectional studieshave been likened to a photograph, and longitudinal studies to a cine film. Longi... | 21,329 | medmcqa_train |
Lipodermatosclerosis is most commonly seen at? | Ans. (b) Medial aspect of legRef: Sabiston 18thed ch-68 | 21,330 | medmcqa_train |
Central macular fixation developed at : | The critical period of developed of fixation reflex is 5-6 months of age.
This is the reason why unilateral cataracts in children should be operated early. Remember –
Binocular vision develops at 5-6 years. | 21,331 | medmcqa_train |
The sensory supply of the fallopian tube and ovary is from - | Sensory supply of Ovary- T10-T11
Sensory supply of Fallopian tube- T10- L2 | 21,332 | medmcqa_train |
In Wilsons disease, copper deposition occurs in - | C.N.S. involvement in Wilson’s disease
In the brain, the toxic injury primarily affects the basal ganglia particularly the putamen which demonstrates atrophy and cavitation.
The involvement of basal ganglia produces extrapyramidal symptoms which are -
Dystonia
Incoordination
Tremor
Dysphagia
Dysarthria
Chorea
Memo... | 21,333 | medmcqa_train |
Glutamine in blood acts as | Glutamine is the major transport form of ammonia. | 21,334 | medmcqa_train |
Cholangiocarcinoma is caused by: | Ans. b. Clonorchis infestation | 21,335 | medmcqa_train |
Hemiballismus is due to lesion in | Answer- B. Contralateral sub-thalamic lesionSub-thalamic nucleus- Contralateral hemiballismus | 21,336 | medmcqa_train |
Who gave the oral drive theory? | Theories and concepts of thumb sucking
Psychosexual/psychoanalytical theory by Sigmund Freud:
According to this, a child goes through various distinct phases of psychological development. In oral phase, it is believed that the mouth is an erogenous zone. During this phase, the child takes anything and everything to th... | 21,337 | medmcqa_train |
Optical coherence tomography is most useful in disorders of: | Ans. Macula | 21,338 | medmcqa_train |
Antiulcer drug is - | Ans. is 'a' i.e., Pirenzepine Pirenzepine is a selective M1 anti-cholinergic & usual doses inhibit acid secretion by 40-50%. | 21,339 | medmcqa_train |
Reflex absent in decoicate animal ? | Ans. is 'b' i.e., Long loop stretch reflex | 21,340 | medmcqa_train |
Sterols are metabolized to | Vitamin D is derived from 7-dehydrocholesterol by the action of UV radiations 7 dehydrocholesterol, an intermediate of a minor pathway of cholesterol synthesis The cis double bond is isomerized to a trans double bond to give rise to vitamin D3 or cholecalciferol Ref: DM Vasudevan, 7th edition, page no: 469 | 21,341 | medmcqa_train |
Lacrimal gland is a derivative of | (A) EctodermDERIVATIVES OF EMBRYONIC TISSUESNeuroectodermCranial Neural Crest CellsSurface EctodermMesoderm* Neurosensory retina* Retinal pigment epithelium* Pigmented ciliary epithelium* Nonpigmented ciliary epithelium* Pigmented iris epithelium* Sphincter & dilator muscles of iris* Optic nerve, axons & glia* Vitreous... | 21,342 | medmcqa_train |
Granulomatous inflammation is which type of hypersensitivity? - | Several autoimmune disorders, as well as pathologic reactions to environmental chemicals and persistent microbes, are now known to be caused by T cells . The occurrence and significance of T lymphocyte-mediated tissue injury have been increasingly appreciated as the methods for detecting and purifying T cells from pati... | 21,343 | medmcqa_train |
Which is risk factor for cholangiocarcinoma - | Ans. is 'b' i.e., Primary sclerosing choiangiocarcinoma Cholangiocarcinomao Cholangiocarcinoma is malignancy of the biliary tree, arising from bile ducts within or outside the liver,o Risk factors:Primary sclerosing cholangitisCongenital fibropolycystic disease of the biliary system (caroli disease, choledochal cyst).E... | 21,344 | medmcqa_train |
Locard's Principle is concerned with(2018) | Locard's Exchange Principle: When any two objects come into contact, there is always a transfer of material from each object on the other. Trace from the scene may be carried away on the person or tool of the criminal, and at the same time, traces from all or any of these may be left at the scene. Wherever a criminal g... | 21,345 | medmcqa_train |
Nicoladoni sign is positive in a young patient with an aeriovenous fistula. This sign is also known as: | Nicoladoni-Branham sign: Compression of a large aeriovenous fistula may cause reflex slowing of the hea rate. Duplex ultrasonography may detect an aeriovenous fistula, especially one that affects the femoral aery and vein at the site of catheter access. Computed tomographic and conventional angiography can confirm the ... | 21,346 | medmcqa_train |
A newborn baby was born with phocomelia. It results due to which drug taken by mother during pregnancy? | Thalidomide disaster (1958-61) resulting in thousands of babies born with phocomelia (seal-like limbs) and other defects focused attention to this type of adverse effect. Tetracyclines cause discolored and deformed teeth, retarded bone growth in children Warfarin causes depressed nose; eye and hand defects, growth reta... | 21,347 | medmcqa_train |
Epidemic typhus is transmitted by ? | Ans. is 'c' i.e., Louse | 21,348 | medmcqa_train |
Best anaesthesia for status asthamaticus | B i.e. Ketamine | 21,349 | medmcqa_train |
Which of the following statements is false about Sacral Meningomyelocele - | Ans. is 'a' i.e., Spasticity of the Lower Limbs is seen Meningomvelocele o Meningomyelocele is a condition where normally developed neural tissue along with its covering protrudes in the midline through a defect in mesodermal elements. o The neural tissue may be the spinal cord or the Cauda equina. o In a sacral mening... | 21,350 | medmcqa_train |
In balanced force technique used for canal preparation: | Balanced force concept uses Flex-R file and is described as "Positioning and pre-loading an instrument through a clockwise rotation and then shaping the canal with a counterclockwise rotation".
Many authors discovered that greater risk of instrument damage was associated with clockwise movement.
For best results, prep... | 21,351 | medmcqa_train |
All of following live vaccines can be given in symptomatic HIV infection except | Pregnancy: all live vaccines are C/I as it is immuno-compromised state except yellow fever vaccine Asymptomatic HIV infection : none C/I Symptomatic HIV+ infection : All live vaccines C/I (Except in adult we can give MMR&Varicella& Zoster) | 21,352 | medmcqa_train |
In flexion injuries causing supracondylar fractures, the distal fragment is often displaced to | A i.e. Anterior Most common type of elbow injury in children Fracture supracondlar humerusQ (-- 50- 70% of & adolescents all elbow injuries) Most common type of supracondylar fracture Extension typeQ (-98% of all supracondylar ) Most common type of distal fragment Posterior (dorsal/ backward) shift and tiltQ displaceme... | 21,353 | medmcqa_train |
Which of the following is not the cause of macrocytic anaemia ?- | Lesch nyhan syndrome is due to deficiency are complete or paial absence of HGP enzyme. It does not involve any type of anaemia Reference : textbbook: pathologic basis of disease Author : Robbins and cotron , volume2 , page number 1215 | 21,354 | medmcqa_train |
Enzyme most commonly deficient in congenital adrenal hyperplasia is | Ans. (a) 21 beta hydroxylaseRef: Bailey and love, 27th ed & Campbell 11th Ed consolidationCongenital adrenal hyperplasia or Adrenogenital syndrome: Features* Salt wasters + virilizers (due to aldosterone deficiency)* Simple virilizers (Aldosterone normal)* Non classified (no virlization, no salt wasting)# Virilization ... | 21,355 | medmcqa_train |
A 12kg child has diarrhoea, fluid to be replaced in 1st 4 hours | The fluid to be replaced in first 4 hours is 800-1200 ml. Ref : Park 23rd edition Pgno : 225 | 21,356 | medmcqa_train |
A patient came with complaints of having a deformed nose and also complained that nobody takes him seriously because of the deformity of his nose. He has visited several cosmetic surgeons but they have sent him back saying that there is nothing wrong with his nose. He is probably suffering from: | This patient is showing features of somatic delusional disorder. In this type of disorder, patients have a fixed belief that they have some physical abnormality. They have belief about unusual conditions such as contamination with toxic substances, infestations of insects, foul body odors, malfunctions of specific body... | 21,357 | medmcqa_train |
Pleural calcification is seen in: | Ans. Asbestosis | 21,358 | medmcqa_train |
Speckled pattern is seen in - | Ans. is 'a' i.e., Anti Sm antibody o The most commonly used method to detect antinuclear antibodies is indirect immunofluorescence. o The pattern of nuclear fluorescence suggests the type of antibody present in patient's serum. o Four basic patterns are recognized :? 1. Homogenous or diffuse nuclear chromatin staining ... | 21,359 | medmcqa_train |
True about Ludwig&;s angina | LUDWIG'S ANGINA Submandibular space lies between mucous membrane of the floor of mouth and tongue on one side and superficial layer of deep cervical fascia extending between the hyoid bone and mandible on the other. It is divided into two compaments by the mylohyoid muscle: 1. Sublingual compament (above the mylohyoid)... | 21,360 | medmcqa_train |
A girl with normal milestones spend her time seeing her own hand, do not interact with others, what is the diagnosis ? | Autism Prevasive developmental disorder includes the following condition :- Autism - Rett's disorder - Asperger's disorder - Childhood disintegrative disorder - Pervasive disorders not otherwise specified Pervasive development disorders are characterized by three symptom clusters? i) Impairment in social reciprocity ma... | 21,361 | medmcqa_train |
Panhypopituitarism in adults may lead to all of the following EXCEPT: | Panhypopituitarism in adult leads to: - Hypothyroidism - intolerance to cold Depressed production of glucocoicoids by adrenal glands. Loss of sexual functions, d/t suppressed secretions of the gonadotropic hormones Pigmentation is due to effect of MSH secreted by pituitary. In panhypopituitarism, levels of MSH decrease... | 21,362 | medmcqa_train |
Free water clearance is decreased by | Flurosemide is a drug which act on both coex and medulla. It acts on the ascending limb of loop of Henle which has both coical and medullary components.Thus,furosemide can block positive as well as negative free water clearance. Vincristine increases the secretion of the harmone ADH and thus decreases positive free wat... | 21,363 | medmcqa_train |
True about transfusion malaria by Plasmodium vivax is the following EXCEPT: | Ans. c (Clinical features and complications are different than in naturally acquired infection) (Ref: Harrison's 17th/p. 1285; Park 22nd/250)TRANSFUSION MALARIA# Most common organism P.vivax and malariae.# Incubation period short (as no pre-erythrocytic stage of development).# Clinical features and management is same a... | 21,364 | medmcqa_train |
Which of these is the most commom cause of Primary Amenorrhea ? | Primary Amenorrhea- In absence of secondary sexual characters, no menses till the age of 13 years - In presence of secondary sexual characters, no menses till the age of 15years Causes: Ovarian dysgenesis , also termed gonadal dysgenesis in women is most common cause. In this, turners syndrome is the commonest variety ... | 21,365 | medmcqa_train |
55 year old male presents with hyperpigmentation, nail atrophy and reversible hair loss. Patient also have hamaomatous colon polyps. Diagnosis is ? | Patient is suffering from Cronkhite Canada syndrome Mn: C - Cronkhite Canada syndromeA- Acquired, skin & appendages of skin- Hyperpigmentation- Reversible Hair loss- OnychodystrophyD - Diarrhea (Massive)- Cause of death GI Lesions: Hamaomatous colon polyps, Crypt dilatation and edema in nonpolypoid mucosa | 21,366 | medmcqa_train |
Spread of which disease cannot be controlled by isolation - | Ans. is 'b' i.e., Neonatal tetanus Periods of isolation recommendedDiseaseDuration of isolationChickenpoxUntil all lesions cursted; usually about 6 days after onset of rashMeaslesFrom the onset of catarrhal stage through 3rd day of rashGerman measlesNon, except that women in the first trimester or sexually active, non ... | 21,367 | medmcqa_train |
Steroid suphatase deficiency is seen in | X-linked ichthyosis (abbreted XLI) is a skin condition caused by the hereditary deficiency of the steroid sulfatase (STS) enzyme that affects 1 in 2000 to 1 in 6000 males. XLI manifests with dry, scaly skin and is due to deletions or mutations in the STS gene. Ref Harrison20th edition pg 1332 | 21,368 | medmcqa_train |
True about adult cornea: | D i.e. Microcornea - diameter less than 10 mm Horizontal diameter of cornea at bih is 10 mm and the adult size (11.7 mm) is attained by the age of 2 years. Megalocornea is labeled when the horizontal diameter of cornea is of adult size at bih or >13 mm after the age of two yearsQ. In microcornea horizontal diameter is ... | 21,369 | medmcqa_train |
Attitude in subcoracoid dislocation of shoulder includes: | B i.e. Limb by the side of body | 21,370 | medmcqa_train |
All of the following are common features of Cushing's syndrome, except? | Cushing syndrome is characterized with proximal muscle weakness resulting in difficulty in climbing stairs. "Lemon on sticks" appearance results in centripetal obesity. The Weight gain leads to insulin resistance coupled with effects of coisol leading to impaired glucose tolerance. | 21,371 | medmcqa_train |
Which of these is the ONLY true statement regarding Caesarean section ? | Advantages of exteriorization of uterus: An atonic uterus can be recognized quickly and massage applied. The incision and bleeding points are visualized more easily and repaired, Adnexal exposure is superior, and thus tubal sterilization is easier. Uterine closure in single or two layers does not significantly increase... | 21,372 | medmcqa_train |
Best investigation in acute cholecystitis is: | Ans. HIDA scan | 21,373 | medmcqa_train |
When evaluating for possible otitis media, which of the following is of the least diagnostic value? | The light reflex can often be visualized in an abnormal ear. Gauging, decreased translucency of the TM and evaluating for the presence of a fluid level behind the TM requires experience, but these are good indicators of infection when detected. Mobility in response to pneumatoscopy is also quite sensitive in practiced ... | 21,374 | medmcqa_train |
Effects mediated by H1 histamine receptor include: | Sedation occurs with those drugs that are potent antagonists of the H1-histamine receptor, including chlorpromazine, olanzapine, quetiapine and clozapine.
Histamine H1 receptors mediate many pathological processes, including allergic rhinitis, atopic dermatitis, conjunctivitis, urticaria, bronchoconstriction, asthma an... | 21,375 | medmcqa_train |
Posterior dislocation of Hip can damage which nerve- | Ans. is 'b' i.e., SciaticComplications of posterior dislocation of hipo Complications of posterior dislocation areInjury to sciatic nerve The nerve is vulnerable to injury where it lies behind the posterior wall of acetabulum.Avascular necrosis of femoral head) Damage to the femoral headMyositis ossificans (Post-trauma... | 21,376 | medmcqa_train |
In sweat glands, the sympathetic neurotransmitter- | Ans. is 'd' i.e., Acetylcholine o Neurotransmitter in all preganglionic autonomic nerves (both sympathetic and parasympathetic) is acetylcholine (ACH)o Neurotransmitter in all ganglia (both sympathetic and parasympathetic) is acetylcholine.o Neurotransmitter in postganglionic parasympathetic fibres is acetylcholine.o I... | 21,377 | medmcqa_train |
True about sex pilus | Ans: a) (Hollow tubular....) Ref: Medical microbiology Jawetz 23nl ed. Baily & Scott's diagnostic microbiology 12th edCONJUGATION* Process where male/ donor bacterium mates or makes physical contact with female/ recipient bacterium & transfers genetic elements into it. 1st described by Lederberg & Tatum in E coli calle... | 21,378 | medmcqa_train |
P wave is due to: | Answer is A (Atrial Depolarization) P wave is produced due to atrial depolarization. Intervals Events in the Hea During Interval P wave Atrial depolarization PR interval Atrial depolarization and conduction through AV node QRS duration Ventricular depolarization and atrial repolarization QT interval Ventricular depolar... | 21,379 | medmcqa_train |
What type of probe is used in western blot technique | Western blotting is done to detect proteins. Radiactive labelled antibody is used as probe. | 21,380 | medmcqa_train |
The venom of krait is | Ans. (D). Neurotoxic(Ref: Review of Forensic Medicine and toxicology; Gautum Biswas; 2nd edition; Pg-527)Elapidae - NeurotoxicQ venomViperidae - VasculotoxicQ venomHydrophidae - MyotoxicQ venom | 21,381 | medmcqa_train |
Which of the following surgery is contraindicated below 12 years of age? | Contraindications of SMR
Patients below 17 years of age. In such cases, a conservative surgery (septoplasty) should be done.
An acute episode of respiratory infection.
Bleeding diathesis.
Untreated diabetes or hypertension. | 21,382 | medmcqa_train |
Epstein Barr virus is believed to be responsible for all of the following conditions, EXCEPT: | Ebstein Barr Virus usually causes atypical lymphocytosis with thrombocytopenia and neutropenic. The clinical diagnosis can be made from the characteristic triad of fever, pharyngitis, and lymphadenopathy lasting for 1 to 4 weeks. In a very few carriers of this virus causes the emergence of Burkitt's lymphoma and nasoph... | 21,383 | medmcqa_train |
Delusion of persecution occurs in - | Delusions of presecution are seen in schizophrenia (especially paranoid), severe affective disorders (Severe mania, Severe depression), and organic brain syndrome. | 21,384 | medmcqa_train |
Lateral medullary syndrome (Wallenberg syndrome) is characterized by all, Except : | Answer is D (Horner's syndrome is rare): Horner's syndrome forms pa of the constellation of manifestations seen in lateral medullary syndrome or Wallenberg syndrome. It is produced as a result of infUrction of the descending sympathetic tract. Ipsilateral Homer's syndrome | 21,385 | medmcqa_train |
Carboxylation is governed by - | Ans. is 'a' i.e., Biotin VitaminActive form (coenzvmes)Reaction typeB1 (Thiamin)Thiamine pyrophosphate (TPP)Oxidative decarboxylation, TransketolationB2 (Riboflavin)FMNt FADOxidation / Reduction (Redox reaction)B3 (Niacin)NAD\ NADP"Oxidation / Reduction (Redox reaction)B6 (Pyridoxin)Pyridoxal phosphate (PLP)Transaminat... | 21,386 | medmcqa_train |
Which of the following can be the principle modality of choice for evaluating lungs of a young patient with suspected alpha1 antitrypsin deficiency? | HRCT is best to detect and evaluate suspected cases of bronchiectasis, emphysema, diffuse lung diseases and ILDs. | 21,387 | medmcqa_train |
Oligospermia caused by aEUR' | Methotrexate "Transient but reversible oligospermia has been repoed in males receiving high dose methotrexate for cancer chemotherapy". Defective oogenesis or spermatogenesis "Occurs in methotrexate therapy" | 21,388 | medmcqa_train |
During staining for Electron Microscopy, the method which improves contrast of specimen is | The specimen stained with phosphotungstic acid in electron microscope for better visualisation of the structures. Negative staining with phosphotungstic acid used in electron microscope. | 21,389 | medmcqa_train |
Indication of FESS: | All options are correct. Indications of FESS A. nasal conditions:sinusitis, polyp removal, mucocele,choanal attesoa repair, septoplasty, foreign body removal, epustaxis B. Other conditions: Nose is separated from orbit by lamina papyracea, anterior cranial fossa bu cribriform plate and pituitary by sphenoid. Hence FESS... | 21,390 | medmcqa_train |
Keisselbach's plexus is present at ? | Ans. is 'c' i.e., Anteroinferior pa of nasal septum | 21,391 | medmcqa_train |
All of the following are done in behavior therapy to increase a behavior, EXCEPT: | Operant conditioning is a well known technique used to modify behavior. This technique involves increasing or decreasing a paicular behavior by associating the behavior with a positive or negative conditions (rewards or punishments). The three basic operant conditioning techniques are positive reinforcement, negative r... | 21,392 | medmcqa_train |
Willis Ekbom disease is: | Restless leg syndrome is also called as "Willis Ekbom" disease.
Ekbom syndrome is Delusional parasitosis. | 21,393 | medmcqa_train |
A 65 year old male had MI one year ago. Now the same patients presents with hypertension. Which of the following drug is best suited for this patient? | Ans. (d) LisinoprilRef.: Harrison 19th ed. /1623, 18th edition ch. 247* ACEIs attenuate the development of left ventricular hypertrophy, improve symptomatology and risk of death from CHF, and reduce morbidity and mortality rates in post-myocardial infarction patients.* Similar benefits in cardiovascular morbidity and m... | 21,394 | medmcqa_train |
Triple test includes all EXCEPT - | (A) (Inhibin A) (106 - Dutta 7th)Inhibin A is a dimeric glycoprotein. It is produced by the corpus luteum and the placenta.* Serum levels of inhibin A is raisedin women carrying a fetus with Down's syndrome.Acetvle choline esterase (AChE) Amniotic fluid AChE level is elevated in most cases of open neural tube defects**... | 21,395 | medmcqa_train |
Glycogen storage disorder is- | Glycogen storage disease type II, also called Pompe disease, is an autosomal recessive metabolic disorder which damages muscle and nerve cells throughout the body. It is caused by an accumulation of glycogen in the lysosome due to deficiency of the lysosomal acid alpha-glucosidase enzyme. It is the only glycogen storag... | 21,396 | medmcqa_train |
Absolute refractory period is due to: | Inactivated gates of sodium are closed during depolarization and Remain closed until repolarization no action potential can occure untill inactivated sodium gate are opened Ref:Guyton and Hall textbook of medical physiology 12th edition,page number:70 | 21,397 | medmcqa_train |
Which approach of brachial plexus block targets cords of the brachial plexus:- | The brachial plexus is formed by theventral ramiofC5-C6-C7-C8-T1, occasionally with small contributions byC4andT2. There are multiple approaches to blockade of the brachial plexus, beginning proximally with the interscalene block and continuing distally with the supraclavicular, infraclavicular, and axillary blocks. Th... | 21,398 | medmcqa_train |
Type D personality has been recently found to be a risk factor for - | Type C personality → Increased risk of cancer
Type D personality → Increased risk of Cardiovascular problems:- increased mortality, MI, Sudden Cardiac death. | 21,399 | medmcqa_train |
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