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After taking some drug for the classic acute attack of a migraine, a patient developed nausea and vomiting. He also developed tingling and numbness in the tip of the finger that also turned blue. Which of the following is the most likely drug implicated in causing the above vasoconstricting | This is a classic sign of ergot induced vasoconstriction. Dihydroergotamine can be used for an acute attack of a migraine and can result in these symptoms. Due to their vasoconstricting potential, ergot alkaloids are contra-indicated in a patient with peripheral vascular disease. These may also lead to the development ... | 22,500 | medmcqa_train |
Heart failure cells are seen in | Ans. (c) Lungs(Ref: Robbins 9th/pg 529; 8th/pg 535)Morphology in Lungs in LVFLungs: Most commonly affected organHeart failure cells Q-hemosiderin containing macrophages.Edematous widening of alveolar septa and -Edema fluid in the alveolar spaces. | 22,501 | medmcqa_train |
Which one of the fallowing does not cause pulsus paradoxus? | Pulsus paradoxus : refers to a fall in systolic pressure >10 mmHg with inspiration that is seen in patients with pericardial tamponade but also is described in those with massive pulmonary embolism, hemorrhagic shock, severe obstructive lung disease, and tension pneumothorax. Pulsus paradoxus is measured by noting the ... | 22,502 | medmcqa_train |
When in labor, a diagnosis of occipito posterior presentation is made. The most appropriate management in this case would be: | When the fetal occiput fails to spontaneously rotate anteriorly, a persistent occiput posterior presentation results in a more prolonged and painful labor. After waiting for a normal labor, manual, vacuum, or forceps rotation is usually done but increases the likelihood of maternal and fetal injuries. Regional anesthes... | 22,503 | medmcqa_train |
The population covered by an ASHA | In NRHM Cadre of Accredited Social Health Activist (ASHA) is created ASHA must be a women resident of the village, preferably 25-45 years with formal education up to 8th standard 1 ASHA for 1000 population. In tribal, hilly and dese areas the norm could be relaxed to 1 ASHA per habitation.Park 23e pg: 449 | 22,504 | medmcqa_train |
Superior orbital fissure syndrome include all except- | Ans. is 'd' i.e., 2nd nerveo The superior orbital fissure is a cleft between the lesser and greater wing of sphenoid.o The structures passed through superior orbital fissure are 3rd, 4th, 6th nerve, ophthalmic division of 5th nerve, superior & inferior division of ophthalmic vein and sympathetic fibres,o Therefore symp... | 22,505 | medmcqa_train |
Which of the following is used for the fixation of cervical smear? | Rapid fixation of smears is necessary to preserve cytologic detail of cells spread on a glass slide that are to be stained by the Papanicolaou method. If smears are allowed to air dry prior to fixation, marked distoion of the cells occurs. Ninety-five percent ethyl alcohol (ethanol) is used for this type of fixation. T... | 22,506 | medmcqa_train |
Which of the following statement about carcinogenesis is false | Ref Harrison 17/e p487 HPV, the causative agent of cervical neoplasia, has a tropism for the immature squamous cells of the transformation zone. Most HPV infections are transient and are eliminated within months by an acute and chronic inflammatory response. A subset of infections persists, however, and some of these p... | 22,507 | medmcqa_train |
Lateral ventricle is connected to third ventricle by | The lateral ventricle communicates with the third ventricle through interventricular foramen MonroThe foramen of luschka is an apeure through which the lateral recess opens into the subarachnoid space of cerebellopontine angleForamen of magendie is an opening in the roof of 4th ventricle through which its cavity commun... | 22,508 | medmcqa_train |
Malignant germ cell tumours of ovary includes all of the following except:a) Choriocarcinoma b) Arrhenoblastomac) Brenner's tumord) Serous cystadenomae) Teratoma | Germ cell Tumors of ovary:
Mnemonic: YES PCT
Y - Yolk sac Tumor (Endodermal sinus Tm)
E - Embroyonal carcinoma
S - Seminoma ≈ Dysgerminoma
P - Polyembryoma
C - Choriocarcinoma
T - Teratoma ≈ Dermoid
In contrast to slow growing epithelial ovarian tumors, germ cell malignancies grow rapidly and are characterised by subac... | 22,509 | medmcqa_train |
Shortest acting mydriatic is - | Ans. is 'c' i.e., Tropicamide Salient features of common cvcloplegic and mydriatic drugsSL Name of no. the drugAge of the patient when indicatedDosage of instillationPeak effectTime of performing retinoscopyDuration of actionPeriod of Postcycloplegic testTonus allowance1. Atropine sulphate (1% ointment)< 5 yearTDSx3 da... | 22,510 | medmcqa_train |
The only disease which has been eradicated ? | Ans. is 'b' i.e., Smallpox "Today, smallpox is the only disease that has been eradicated". | 22,511 | medmcqa_train |
Xenon anesthesia all are true except | Advantages of Xenon anesthesia Ine Minimal effect on CVS function Lowest blood solubility Does not trigger malignant hypothermia Environmental friendly Non explosive Refer Goodman Gilman 12/e p 547 | 22,512 | medmcqa_train |
Which of the following is NOT seen in Anterior Mediastinum? | (D) Neurogenic tumor[?]Primary tumors of the mediastinum: Thymoma, Neurogenic tumors, Germ cell tumors & Lymphoma.Neurogenic tumours:Derived from sympathetic nervous system or peripheral nerves & are more prevalent in the posterior mediastinum.These are painful, quite large & discovered accidentally on routine chest X-... | 22,513 | medmcqa_train |
McArdle's disease is due to deficiency of ? | Muscle phosphorylase [Ref Harper 250/e p. 181Type Enzyme deficiencyOrgan (s) affected von Gierke's diseaseGlucose 6-phosphataseLiver, kidneyIIPompe's diseasea (1 4) Glucosidase (acid maltase)All organsIIICori's disease/Forbe's diseaseDebranching enzymeMuscle, liverIVAndersen's diseaseBranching enzymeLiver, myocardiumVM... | 22,514 | medmcqa_train |
What is the diagnosis in this infant who presents with recurrent fractures & multiple bony deformities? | d. Osteogenesis imperfectaRecurrent fractures, multiple bony deformities and blue sclera suggest a diagnosis of Osteogenesis imperfecta | 22,515 | medmcqa_train |
Haab's striae are seen in – | Due to rupture of Descemet's membrane, more discrete corneal opacities appear as lines with double contour : - Haab stria. | 22,516 | medmcqa_train |
Cailage of which of the following pharyngeal arch is known as Reiche's cailage? | The cailage of the second or hyoid arch (Reiche's cailage) gives rise to the stapes, styloid process of the temporal bone, stylohyoid ligament, and ventrally, the lesser horn and upper pa of the body of the hyoid bone Ref: Langman's embryology 11th edition Chapter 16. | 22,517 | medmcqa_train |
Least common cause of clubbing | Clubbing is most common with adenocarcinomaand is least common with small lung cell cancer... Ref:Ptinciples and practice of lung cancer Pg 348 | 22,518 | medmcqa_train |
The most common site of hypeensive intracranial hemorrhage is - | Spontaneous intracerebral haemorrhage occurs mostly in patients of hypeension. Most hypeensives over middle age have microaneurysms in very small cerebral aeries in the brain tissue. Rupture of one of the numerous microaneurysms is believed to be the cause of intracerebral haemorrhage. Unlike subarachnoid haemorrhage, ... | 22,519 | medmcqa_train |
Which structure connects the Broca's and Wernicke area? | Arcuate fasciculus connects Wernicke's area present in posterior superior temporal gyrus of dominant hemisphere (sensory area of speech) to broca's speech area present in prefrontal & premotor facial region of cerebral coex to integrate language understanding & skilled motor function. Damage to Wernicke's area = Wernic... | 22,520 | medmcqa_train |
Which of the following is true regarding anthrax ? | Ans. is 'a' i.e., M' Fadyean reaction shows capsule; 'b' i.e., Humans are usually resistant to infection; 'c' i.e., Less than 100 spores can cause pulmonary infection . M' Fadyean's reaction represents the capsular material and is characteristic of the anthrax bacillus. . "Man is relatively resistant to infection with ... | 22,521 | medmcqa_train |
Mutation in which of the following genes is responsible for development of INH resistance in mycobacteria? | KatG (catalase peroxidase) conves INH (prodrug) to its active form which fuher inhibits inhA and KasA gene which leads to inibition of synthesis of mycolic acid (present in bacterial cell wall) leading to cell death. The most common mechanism which confers high level INH resistance is by mutation of the catalase-peroxi... | 22,522 | medmcqa_train |
What should be done to reduce blood loss during myomectomy for fibroid uterus: March 2012 | Ans: C i.e. Tourniquet use administration Haemorrhage should be controlled with the myomectomy clamp. If the myomectomy clamp cannot be applied as in cervical fibroid, a rubber tourniquet will serve the purpose. | 22,523 | medmcqa_train |
MTP Act was passed in the year: MAHE 09 | Ans. 1971 | 22,524 | medmcqa_train |
All of the following is true except | Ans. is 'c' i.e., In Brutons agammaglobulinemia opsonisation is not affected o During phagocytosis there is rapid respiratory burst which is brought about by rapid burst in the activity of NADPH oxidase. o Increased NADPH oxidase activity leads to increased oxidative proesses and there by increased production of supero... | 22,525 | medmcqa_train |
The inability to perceive the texture and shape of an object occurs in lesion of | Damage to the dorsal column-medial lemniscus pathway below the crossing point of its fibers results in loss of vibration and joint sense (proprioception) on the same side of the body as the lesion. Damage above the crossing point result a loss of vibration and joint sense on the opposite side of the body to the lesion.... | 22,526 | medmcqa_train |
Most sensitive test for carpal tunnel syndrome | Answer- A. Phalen's testThere are some provocative tests which act as impoant screening methods-Wrist flexion (Phalenb test) : - The patient is asked to actively place the wrist in compiete flexion. If tingling and numbness develop in the distribution of median nerve, the test is positive. This is the most sensitiye pr... | 22,527 | medmcqa_train |
Most commonly damaged nerve in the lower limb:- | Common peroneal nerve is more superficial and lateral to neck of fibula in lower limb, hence more susceptible to injury. Injury manifestation: Compromise of superficial peroneal nerve and Deep peroneal nerve. Sensory symptoms: loss of sensation on territory of common peroneal nerve and superficial peroneal nerve which ... | 22,528 | medmcqa_train |
Preformed antibodies cause: | Ans. (a) Hyperacute rejection(Ref: R 9th/pg 231-234)Hyperacute rejection occurs when preformed antidonor antibodies are present in the circulation of the recipient even prior to transplantation. | 22,529 | medmcqa_train |
Which of the following is MOST commonly associated with green discharge? | A black or green discharge is usually due to duct ectasia and its complications. Ref: Bailey & Love 25/e, Page 831 | 22,530 | medmcqa_train |
A 45-year-old man has hypeension. A thiazide diuretic agent had been prescribed with continued elevated blood pressure. The inclusion of spironolactone to the thiazide diuretic is done to achieve wof | Potassium sparing diuretics Spironolactone,eplerenone and amiloride but not triamterene themselves lower BP slightly. However, they are used only in conjunction with a thiazide diuretic to prevent K+ loss and to augment the anti- hypeensive action. Spironolactone side effects Include gynaecomastia, impotence, menstrual... | 22,531 | medmcqa_train |
Lower lid surgery in which plication of the lower lid retractors is done is called ? | Ans. is 'b' i.e., Jones Jones, Rech And Wobig Operation It is performed for severe cases or recurrent cases of entropion. In this operation the inferior lid retractors are straightened by tucking or plication procedure. | 22,532 | medmcqa_train |
True statements regarding Aspirin toxicity is | Symptoms of Aspirin poisoning At anti inflammatory dose (3-6grams per day) produces the syndrome called salicylism comprising of dizziness, tinnitus, Veigo, excitement, mental confusion, reversible impairment of hearing The dose has to be titrated to one which is just below that produces the symptom,8 tinnitus is a goo... | 22,533 | medmcqa_train |
Prader - Willi syndrome is associated with following EXCEPT | PWS has many signs and symptoms. The symptoms cann range from poor muscle tone during infancy to behavioral problems in early childhood. Some symptoms that are usually found in infants, besides poor muscle tone, are a lack of eye coordination, some are born with almond-shaped eyes, and due to poor muscle tone, some may... | 22,534 | medmcqa_train |
Which of the following medications is the drug of choice for severe preeclampsia? | Labetalol is a adrenoreceptor antagonist which is used in the treatment of severe pre-eclampsia. Although Metoprolol, Alpha methyldopa and Nifedipine are used in the treatment of severe pre-eclampsia, both Hydralazine and Labetalol has emerged as the first line drugs to control the hypeension in severe pre-eclamptic pa... | 22,535 | medmcqa_train |
Most common twin presentation is | (C) Vertex + vertex # Twin pregnancy:> Most common lie of the fetus is longitudinal (90%) but malpresentations are quite common.# Combinations of presentation of the fetuses are Both vertex (commonest) First vertex and second breech First breech and second vertex Both breech, first vertex and second transverse and so o... | 22,536 | medmcqa_train |
A case of spontaneous pneumothorax comes to you. What will be earliest t/t of choice - | Ans is 'b' ie Needle aspiration Pneumothorax : is the presence of gas in the pleural space. Types : (a) Spontaneous pheumothorax ---> is one that occurs without antecedant trauma to the thorax (i) Primary spontaneous - Occurs in the absence of an underlying lung disease (usually d/t apical plural blebs). (ii) Secondary... | 22,537 | medmcqa_train |
The concept of social medicine was first introduced by | The seeds that medicine is a social science were sown in 19th century by pioneers such as Neumann and Virchow Ref : Park's Textbook of Preventive and Social Medicine; 23rd edition | 22,538 | medmcqa_train |
The most radiosensitive tissue is: March 2011 | Ans. B: Bone marrow Bone is among the most radioresistant organ By contrast, the male testis, female ovary, and bone marrow are the most sensitive organs Most Radiosensitive: Phase of cell cycle: G2M phase Structure in cell: DNA Cell: Lymphocyte Lung tumour: Small cell Ca Brain tumour: Medulloblastoma Ovarian tumour: D... | 22,539 | medmcqa_train |
Which of the following statement is true? | Paul Bunnel test is used to diagnose infectious mononucleosis Rose Waaler test is a passive hemagglutination test Indirect hemagglutination test is more sensitive than gel diffusion test Antigen antibody reaction cannot occur in the absence of electrolytes Ref: Ananthanarayan & Panikers textbook of microbiology 9th Edi... | 22,540 | medmcqa_train |
Inclusion conjunctivitis is caused by – | Trachoma → Chlamydia trachomatis serotypes A, B, Ba, C.
Inclusion conjunctivitis → Chlamydia trachomatis serotypes D to K. | 22,541 | medmcqa_train |
All of the following antihypeensives decrease plasma renin activity except- | Ans. is d i.e., Chlorothiazide | 22,542 | medmcqa_train |
Epidemics of Relapsing Fever are caused by: | Louse | 22,543 | medmcqa_train |
Preferred imaging modality for choanal atresia is | CT SCAN in choanal atresia CT SCAN in coronal and saggital projections provides a thorough evaluation of choanal atresia and adjescent structures. The axial views supply fundamental information including site of obstruction, composition of atretic plate and unilateral or bilateral involvement. Thus CT SCAN is the prefe... | 22,544 | medmcqa_train |
A 7-year-old child presenting with acute Otitis media, does not respond to amoxicillin-clavulanic acid. Examination reveals full and bulging tympanic membrane, the treatment of choice is: | (c) Myringotomy(Ref. Scott Brown, 8th ed., Vol 2; 143)Ciprofloxacin is given in pseudomonal and other Gram-negative infections.Cortical mastoidectomy is done in acute mastoiditisIn ASOM steroids are not usedThe slight bulge of TM may regress with antibiotics alone. Myringotomy being an invasive procedure is done only w... | 22,545 | medmcqa_train |
Leucokoria can be seen in all except - | Persistant hyperplastic primary vitreous,Fungal endopthalmitis,Retinoblastoma ,coloboma of choroid, exudative retinopathy of coats and retinopathy of prematurity. Ref: ak khurana 6th edition | 22,546 | medmcqa_train |
Arborescent burn is seen in | A i.e. Lightening | 22,547 | medmcqa_train |
Hypertrophy of the sebaceous glands in the nasal skin is called- | Ans. is 'a' i.e., Rhinophyma o Rhinophyma is large, bulb-shaped, red-colored (ruddy) nose. It is a slow growing benign tumor due to hypertrophy of the sebaceous glands.o Has been explained in previous sessions. | 22,548 | medmcqa_train |
Treatment for common bile duct stone is by ? | Answer (a) ESWL, (b) Exploration of bile duct and recovery of stones, (c) Bile duct stenting | 22,549 | medmcqa_train |
QT prolongation is seen in all except : | CONGENITAL LONG QT SYNDROME Due to Genetic defects in K+ channels involved during repolarization. Severe form Includes: I. Jerveu Lange ,ynarome (deafness, syncopal attacks , sudden death ) 2. Romano Ward Syndrome (similar to Jervell Lange syndrome but without deafness ) ACQUIRED *DRUGS *During Sleep *Hypocalcernia *Ac... | 22,550 | medmcqa_train |
Non- selective proteinuria is seen in: | Membranous glomerulonephritis loss of size selectivity + loss of charge selectivity - Non selective proteinuria Minimal change nephropathy loss of the charge selectivity, size selectivity of the glomerular capillary wall is intact - preferential albuminuria | 22,551 | medmcqa_train |
Concerning the ventilatory response to hypoxia, TRUE is: | Ventilation increases greatly at high altitude in response to hypoxic stimulation of chemoreceptors. The other choices are incorrect : It is the peripheral chemoreceptors, not the central chemoreceptors that are responsible for the response. The response is increased if the pCO2 is also raised. Hypoxic stimulation is o... | 22,552 | medmcqa_train |
Musculocutaneous nerve supplies all of the following, EXCEPT: | The musculocutaneous nerve arises from the lateral cord of the brachial plexus, opposite the lower border of the pectoralis major, its fibers being derived from C5, C6 and C7. In its course through the arm it innervates the coracobrachialis, biceps brachii, and the greater pa of the brachialis. | 22,553 | medmcqa_train |
Active drug transport true is ail except - | Ans. is 'c' i.e., Carrier transport is nonsaturable Active transporto As the name suggests active transport is active pumping of drug molecules through a membrane against concentration gradient by a molecular pump (carrier mediated% which requires energy to function.o So, active transport has following characteristics:... | 22,554 | medmcqa_train |
Which of the following is false statement about vitreous? | Ans. is 'a' i.e., Anatomically, vitreous is present in anterior segment * Vitreous is present in posterior segment of eye.* Vitreous humor is a jelly like fluid liquid that fills most (80%) of the eye (from the lens back, i.e., in the posterior segment). The vitreous consists largely of water (99%), a network of collag... | 22,555 | medmcqa_train |
Uterine artery is a branch of: | Ans. is c, i.e. Internal iliac arteryRef: Shaw 14th/ed, p17Uterine artery is a branch of anterior division of internal iliac artery | 22,556 | medmcqa_train |
Which of the following is included in Celiac sprue diet? | Treatment of Gluten sensitive Enteropathy /Celiac Sprue: Stop wheat/oat/rye/barley (BROW) Sta Quinoa, Maize, rice (small amounts Gluten +) Iron supplementation for microcytic anemia Folic acid supplementation for macrocytic anemia. | 22,557 | medmcqa_train |
Pegloticase used in treatment of gout acts by which of the following mechanism: | Rasburicase and Pegloticase metabolize insoluble uric acid to soluble allantoin and used in the treatment of chronic gout. | 22,558 | medmcqa_train |
Factor useful for clot stabilization? | Ans. is `d i.e., XIIIFactor XIII:It is also called fibrin stabilizing factor.It is necessary for clot stabilization and the cross linking of the fibrin polymer in blood.A hallmark of this rare deficiency is poor wound healing and abnormal scar formation. | 22,559 | medmcqa_train |
An ideal method for treating both primary and recurrent condyloma acuminata? | CO2 laser: ideal method for treating both primary and recurrent condyloma acuminata because of its precision and the wound's rapid healing without scarring. For pregnant women, this is the TOC for large or extensive lesions and for cases that do not respond to repeated applications of trichloroacetic acid. Pulsed CO2 l... | 22,560 | medmcqa_train |
In calculating RDA for a particular nutrient, 2 SD are not added for | Recommended Dietary Allowance (RDA): Is a level of intake corresponding to Mean + 2 Standard Deviation, which covers requirement of 97.5 % of population
RDA is safe level of intake which is likely to be inadequate in not more than 2.5 % population
RDA 'safe level approach' is NOT USED FOR ENERGY since excess energy in... | 22,561 | medmcqa_train |
A young, tall, thin male with arachnodactyly has ectopia lentis in both eyes. The most likely diagnosis is: | Marfan syndrome Disorder of connective tissues, Changes in the skeleton, eyes, and cardiovascular system. Inherited defect in an extracellular glycoprotein called fibrillin-1. Skeleton features Unusually tall with long extremities and long,tapering fingers (refer to the image below) and toes. The joint ligaments in the... | 22,562 | medmcqa_train |
Most common site of Basal cell carcinoma on face is | Face is the most common site for BCC
And nose is the most common site on face. | 22,563 | medmcqa_train |
Which is the most economical and best screening method? | High risk screening: In High risk screening,besides effectiveness,economical use of resources is also seen as screening tests are selectively applied to individuals in high risk groups High risk selective screening gives maximum yield. E.g. HIV screening in commercial sex workers Therefore it is the most economical and... | 22,564 | medmcqa_train |
All of the following statements about enzymes are true EXCEPT: | Isoenzymes are different enzymes catalysing the same chemical reaction - option b is correct. Allosteric regulators bind to a site other than the active site - option c is correct. Translational regulation means inhibiting/activating the synthesis of enzyme/protein (protein translation) to stop/increase the reaction. I... | 22,565 | medmcqa_train |
How to test for the long thoracic nerve | The long thoracic nerve supplies the serratus anterior muscle. Its root value is C5, C6andC7. Serratus anterior is one of the main muscle for overhead abduction. So we can test the long thoracic nerve by asking the patient to abduct his arms overhead and forward pressure with the hands against a wall, or against resist... | 22,566 | medmcqa_train |
Which of the following is the most reliable feature of malignant transformation of pheochromocytoma | Ref Robbins 8/e p1159; 9/e p1135 There is no histological feature that reliably predicts clinical behaviour .Infact, cellular and nuclear pleomorphism, including the presence of giant cells, and mitotic figures are often seen in benign pheochromocytoma.while cellular monotony is paradoxical associated with an aggressiv... | 22,567 | medmcqa_train |
Levetiracetam is effective in: | Levetiracetam will be useful in focal onset seizure. Ref: Harrisons principles of internal medicine 18th edition ; Page : 3264, Table : 369/9. | 22,568 | medmcqa_train |
Erythropoiesis is promoted by all of the following except: | C i.e. Oestrogen | 22,569 | medmcqa_train |
Most common organs involved in the wagners granulomatosis are | Refer robbins 9/e p511 Granulomatosis with polyangiitis (formerly called Wegener's) is a rare disease of unceain cause that can affect people of all ages. It is characterized by inflammation in various tissues, including blood vessels (vasculitis), but primarily pas of the respiratory tract and the kidneys. The areas m... | 22,570 | medmcqa_train |
A 2 year old child is brought by parents with history of seizures and developmental delay. He has multiple hypopigmented macules over the back. What is the most probable diagnosis - | Ans. is 'b' i.e., Tuberous sclerosis History of seizures and multiple hypopigmented macules over the back (ash leap patch) suggest the diagnosis of tuberous sclerosis. | 22,571 | medmcqa_train |
Erythroderma is seen in all except - | Ans. is 'c' i.e., pityriasis rosea Causes of Erythroderma1) Skin disorders - Psoriasis, eczema/dermatitis (atopic, stasis,contact, seborrheic), Pityriasis Rubra Pilaris, Lichen Planus)2) Systemic diseases - cutaneous T- cell lymphoma3) Drugs - Gold, allopurinol, phenytoin, penicillin, sulphonamide4) Idiopathic - second... | 22,572 | medmcqa_train |
Which one of the following methods for induction of labour should not be used in patient with previous lower segment caesarean section? | Ans. is b, i.e. Prostaglandin tabletRef Dutta Obs. 7/e, p 524; Fernando Arias 3/e, p 286Prostglandin tablet is misoprostol (PGE1 ) which is contraindicated in women with previous cesarean births.MisoprostolIt is an analogue of Prostaglandin E1 .Indications:Medical abortion in the first trimester of pregnancy.Evacuation... | 22,573 | medmcqa_train |
Muscle hypotension is caused by? | Ans. is'a'i.e., BradykininOnly bradykinin cause hypotension - Local hypotension in skeletal muscle (If pressure BP to fall below 50 mm Hg). | 22,574 | medmcqa_train |
The classical lobule of the liver is centred around | The "classic" liver lobule is the sixsided polyhedral prism with poal triads (hepatic aery, poal vein, and bile duct) at each of the corners. The vessels of the poal triads send distributing branches along the sides of the lobule, and these branches open into the sinusoids. The long axis of the lobule is transversed by... | 22,575 | medmcqa_train |
Specific stain for myeloblasts - | The specific stain for myeloblast is myeloperoxidase And the specific stain for erythroblasts is periodic acid schiff Reference :textbook of Pathology 6th edition Author Harsha Mohan page number 362 | 22,576 | medmcqa_train |
Periglomerular fibrosis is considered typical of: | Chronic glomerulonephritis | 22,577 | medmcqa_train |
Which of the following is not true about pseudopancreatic cyst? | PSEUDOPANCREATIC CYST Lined by granulation tissue M.C cause is alcohol Located in lesser sac most commonly in acute pancreatitis. Size of cyst is small, so most patients are asymptomatic. If large cyst it will compress the posterior wall of stomach leads to frequent episodes of non-bilious vomiting just after meals, wi... | 22,578 | medmcqa_train |
A 30 year old female is diagnosed with cervical intraepithelial neoplasia associated with a previous viral infection. Which of the following viral products are implicated in producing this type of dysplasia? | Cervical intraepithelial neoplasia (CIN) is associated with human papilloma virus (HPV) infection, paicularly types 16 or 18. These papillomaviruses produce E6 and E7 proteins, which induce the expression of cellular p53 and p110Rb oncogenes, respectively. EBNA proteins are produced by the Epstein-Barr virus and are as... | 22,579 | medmcqa_train |
An infected pancreatic necrosis is treated with - | Ans. is 'b' i.e., Laprotomy and surgical debridement o A pancreatic abscess# Is a circumscribed intrabdominal collection of pus, usually in proximity to pancreas, which contains little or no necrotic tissue. An infected pseudocyst is also considered as pancreatic abscess.o Pancreatic and peripancreatic necrosis# These ... | 22,580 | medmcqa_train |
All of the following drugs cause hirsutism except | Ans. (D) Heparin(Ref: Harrison 17th/e p01)Drugs causing hirsutism:AndrogensOral contraceptives containing androgenic progestinsMinoxidilPhenytoinDiazoxideCyclosporine (Not tacrolimus)Heparin produces transient and reversible alopecia. | 22,581 | medmcqa_train |
The Sphenopalatine foramen is formed by all of the following structures, EXCEPT? | Sphenopalatine foramen is formed by the junction of the sphenopalatine incisure of the palatine bone with the sphenoid bone, located immediately posterior to the middle turbinate. This is the principal foramen through which branches of the sphenopalatine aery and maxillary nerve pass from the pterygopalatine fossa into... | 22,582 | medmcqa_train |
Hepatorenal syndrome characterised by all except: | Renal failure consequent on liver failure can occur in cirrhosis. The kidney's they are intrinsically normal and renal failure is thought to result from altered systemic blood flow including diminished renal blood flow:
• It occurs in advanced cirrhosis at most alwaysand ascites
Absence of proteinuria or abnormal uri... | 22,583 | medmcqa_train |
A full term neonate is born after a long, difficult delivery. The baby has an APGAR score of 3, so aerial blood is drawn for blood gas studies 3 minutes after delivery. Aerial blood gas studies show a PO2 of 10mmHg, PCO2 of 27mmHg, and pH of 7.09. Which of the following is the best interpretation of these studies? | This is something of a trick question, but it is included to illustrate a specific point of which you should be aware. The biochemistries of neonates, especially in the first minutes to hours of life, can be strikingly different from those of adults. Specifically, the normal range of aerial blood pH at bih is 7.11 to 7... | 22,584 | medmcqa_train |
Which tract controls the skilled voluntary movements? | Lateral coicospinal tract REF: Ganong's 22"' ed chapter 12 "The lateral coicospinal tract is concerned with skilled movements" See APPENDIX-15 for details | 22,585 | medmcqa_train |
Which of the following is FALSE about poal vein: | Formed behind the neck of pancreas Poal vein ascends behind first pa of duodenum. Bile duct lies anterior and right to it and Gastroduodenal aery lies to the left and anterior to it. Fig :- poal vein | 22,586 | medmcqa_train |
Anti-D immunoglobulin should be considered for Rh-negative women in which of the following settings | All of the above is most appropriate answer although with regard to threatened abortion it is controversial. | 22,587 | medmcqa_train |
Slit shaped nipple seen in - | Ans. is 'A' i.e., Duct ectasia o Duct ectasia is dilatation of lactiferous ducts associated with periductal inflammation, the pathogenesis of which is unknown. o Chronic inflammation around the major ducts, possibly due to autoimmune basis may be the first event, leading eventually to ductal dilatation. One other mecha... | 22,588 | medmcqa_train |
Ligand for LDL | LOW-DENSITY LIPOPROTEINS (LDL) LDL transpos cholesterol from liver to peripheral tissues. The only apoprotein present in LDL is apo B100. Most of the LDL paicles are derived from VLDL, but a small pa is directly released from liver. The half-life of LDL in blood is about 2 days.Ref: DM Vasudevan - Textbook of Biochemis... | 22,589 | medmcqa_train |
International notification is a must in the following except- | .the diseases to be notified vary from country to country.notification is an impoant source of epidemiological information.it enables early detection of disease outbreaks,under the International Health Regulations ,ceain prescribed diseases are notifiable such as 1.thoose diseases that subject to international health r... | 22,590 | medmcqa_train |
All of the following may be used in pregnancy associated hypertension except: | Common antihypertensives used in PIH | 22,591 | medmcqa_train |
Which of the following is a Direct thrombin inhibitors? | Ans. D. All of the aboveDirect thrombin inhibitorsMechanism of action: Thrombin inhibitionExample:a. Lepirudinb. Argatrobanc. Bivalirudind. Ximelagatrane. Dabigatran (oral drug). | 22,592 | medmcqa_train |
Which of the following iris lesions is a true tumor | Kunkmann - wolffian body - normal iris stroma
Koeppe nodule - inflammatory cells.
Lisch nodule - Iris hamartoma associate with neurofibromatosis. | 22,593 | medmcqa_train |
Structures preserved in Radical Neck Dissection is : | Ans. is 'a' i.e., Vagus nerve | 22,594 | medmcqa_train |
All are synoyms for tuberculosis verrucosa cutis, EXCEPT: | TBVC/ way tuberculosis is a form of cutaneous tuberculosis occuring in individuals with high immunity. It is known by former 3 names as infection occur in physicians, pathologists and post moem attendants as verrucous lesions by accidental superinfection. Scrofuloderma is cutaneous uberculosis in individuals withn low ... | 22,595 | medmcqa_train |
Radiological appearance of 'thimble' bladder is seen in the following condition: | Early tuberculosis of the bladder commences around the ureteric orifice or trigone, the earliest evidence being pallor of the mucosa due to submucosal oedema. Subsequently, tubercles may be seen and, in long standing cases, there is marked fibrosis and the capacity of the bladder is greatly reduced giving the radiologi... | 22,596 | medmcqa_train |
MHC class III genes encode | *HLA class III contains genes for
• Complement components C2 and C4 of classical pathway (Not C3)
• Properdin factor B of alternate pathway
• Tumor necrosis factor: Alpha and Beta
• Heat shock protein 70
• Enzyme tyrosine hydroxylase
• Genes for MHC (also known as HLA) are located on short arm of chromosome 6. | 22,597 | medmcqa_train |
Rape, even after consent is considered when age of woman is - | Ref:Textbook of Forensic medicine and toxicology (V.V.Pillay) 17th edition page no.388 As per sec.375IPC unlawful sexual intercourse with a woman with or without her consent when she is under 18 years ofage. The Criminal Law(Amendment)Act,2013 has increased the previous recommend age of consent from 16 to 18 years. | 22,598 | medmcqa_train |
True regarding surface anatomy of internal jugular vein - | SURFACE MARKINGS OF IMPORTANT VESSELS OF NECK
Surface anatomy of internal jugular vein:
Internal jugular vein is marked by a line joining a point on the neck, medial to the ear lobule to a point at the medial end of the clavicle
Surface anatomy of the external jugular vein:
Marked by a line joining a point a little ... | 22,599 | medmcqa_train |
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