query stringlengths 1 1.57k | pos stringlengths 1 22.5k | idx int64 0 161k | task_name stringclasses 1
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Antiemetic action is produced through: | Mechanism of action of antiemetic drugs are: Anticholinergic e.g hyoscine H1 antihistaminics e.g promethazine,diphenyhydramine,cyclizine. 5-HT3 antagonists e.g ondansetrone,granisetron Prokinetics. 5HT4 agonists e.g cisapride. Motilin agonist e.g erythromycin. CTZ contains histamine dopamine,cholinergic,opioid and sero... | 16,200 | medmcqa_train |
All are true regarding basal electrical rhythm of intestine except? | Ans. (a) Tone of contraction is related to amplitude of stimulus(Ref: Ganong, 25th ed/p.497)Tone of contraction is proportional to the number and frequency of actional potentials and not the amplitude | 16,201 | medmcqa_train |
Methemoglobinemia is seen with | Methemoglobinemia is seen with benzocaine, prilocaine and with EMLA. | 16,202 | medmcqa_train |
Fluoroquinolone with highest oral bioavailability | Fluoroquinolones:- * Gemifloxacin is a third generation fluoroquinolone having absolute oral bioavailability. * All third generation fluoroquinolones: Sparfloxacin, Gatifloxacin and Gemifloxacin have 100% oral biovailability. * Among the Fluoroquinolones, Norfloxacin has the least oral bioavailability. Ref:- HL & KK Sh... | 16,203 | medmcqa_train |
A patient on oral lithium therapy posted for surgery what is the recommendation. | Lithium is stopped 24- 48 hour prior to surgery. Lithium potentiates neuromuscular blockers thus stopped prior to surgery | 16,204 | medmcqa_train |
Alpha paicle has: September 2011 | Ans. D: 2 protons, 2 neutrons Alpha paicles are simple helium nuclei (i.e. consisting of 2 protons and 2 neutrons) Remember: Alpha rays: Most ionizing Gamma rays: Maximum penetration power Cesium-137, cobalt and radium emits predominantly: Gamma rays | 16,205 | medmcqa_train |
Treatment of endometriosis in an infeile female: | Clomiphene | 16,206 | medmcqa_train |
The skin pigmentation in bronze diabetes is due to- | Skin pigmentation in bronze diabetes (Hemochromatosis)
→Predominantly due to increased epidermal melanin production
→Partly attributed to hemosiderin deposition in dermal macrophages and fibroblasts. | 16,207 | medmcqa_train |
A 35-year-old man has a 5-year history of episodic wheezing and coughing. The episodes are more common during the winter months, and he has noticed that they often follow minor respiratory tract infections. In the period between the episodes, he can breathe normally. There is no family history of asthma or other allerg... | This history is typical of nonatopic, or intrinsic, asthma. There is no family history of asthma, no eosinophilia, and a normal serum IgE level. The fundamental abnormality in such cases is bronchial hyperresponsiveness (i.e., the threshold of bronchial spasm is intrinsically low). When airway inflammation occurs after... | 16,208 | medmcqa_train |
In Millard Gubler syndrome all are involved except | Millard-Gubler syndrome (MGS) is one of the classical brainstem-crossed syndromes caused due to a unilateral lesion in ventral pons, manifesting as ipsilateral palsy of CN VI and VII with contralateral hemiplegia Ref Harrison20th edition pg 2234 | 16,209 | medmcqa_train |
All of the following are physiological changes which occur during pregnancy, EXCEPT: | During pregnancy the renal plasma flow is increased by 50- 75%. It reaches the maximum value by 16 weeks and is maintained until 34 weeks. During pregnancy: Kidney enlarges in length by 1cm. GFR is increased by 50%. Increase in GFR causes reduction in maternal plasma level of creatinine, BUN and uric acid. Ureter becom... | 16,210 | medmcqa_train |
All of the following are true about the stationary phase used in high-pressure liquid chromatography, EXCEPT | Stationary phase in HPLC is made up of fine silicone paicles - option a is correct As there are a lot of fine paicles, the surface area is increased and resistance to the mobile phase is increased. That is why we apply high-pressure - option b and c are correct As the surface area is high, the chance interaction betwee... | 16,211 | medmcqa_train |
Astigmatism is considered to be: | Ans. Spherical abberation | 16,212 | medmcqa_train |
Which one of the following hepatitis viruses have significant prenatal transmission? | Ans. is 'c' i.e., Hepatitis B virus | 16,213 | medmcqa_train |
Characteristics of SIRS include all of the following except: | SIRS (Systemic Inflammatory Response Syndrome)- Mediators of SIRS* IL - I* IL - 6* TNF - a- It is body's inflammatory response to infectious or non-infectious insult - Parameters of SIRS* Temperature (>38deg C Or < 36deg C)* HR > 90 / min* Respiratory rate > 20/min* WBC count (> 12000/ml or < 4000/ml or >10% immature c... | 16,214 | medmcqa_train |
A 60 year old male presented with acute chest pain of 4 hours duration. Electrocardiographic examination revealed new Q wave with ST segment depression. He succumed to his illness within 24 hours of admission. The hea revealed presence of a transmural haemorrhagic area over the septum and anterior wall of the left vent... | Patient had a myocardial infarction, histology of the cardiac muscle fibres done at 24 hours after an MI shows necrotic myofibres with presence of neutrophils. Ref: Robbins Pathology, 6th Edition, Page 558 | 16,215 | medmcqa_train |
Most common glycogen storage disease presenting with hypoglycemia and normal glycogen structure - | Ans. is 'a' i.e., Von Gierke disease Liver glycogenoses |Hypoglycemia| | |HepatomegalyCirrhosis|||| |RenomegalyHypoglycemia unresponsive to glucagon/epinephrineNo renomegaly Hypoglycemia corrected by glucagon/epinephrineType IV(Anderson) (Abnormal glycogen structure)||| | | Von Gierke's disease (Type I) (Normal glycoge... | 16,216 | medmcqa_train |
The brush border bound hydrolase linked with sucrase is | Hydrolysis of sucrose (optical rotation +66.5deg) will produce one molecule of glucose (+52.5deg) and one molecule of fructose (-92deg). Therefore the products will change the dextrorotation to levorotation, or the plane of rotation is inveed. Equimolecular mixture of glucose and fructose thus formed is called inve sug... | 16,217 | medmcqa_train |
Maximum iron is in which nut ? | parks textbook of preventive and social medicine 23rd edition. *among the commonly used nuts ,cashewnut and almonds are good source of iron,but pistachio is the richest containing 14mg of iron per 100g . | 16,218 | medmcqa_train |
Samter's triad include sensitivity to which drug? | Samster's triad : Nasal polyp Bronchial asthma Asprin sensitivity Ref: Dhingra 7e pg 510. | 16,219 | medmcqa_train |
True statement about pulmonary embolism | Unfractionated Heparin UFH anticoagulates by binding to and accelerating the activity of antithrombin, thus preventing additional thrombus formation. UFH is dosed to achieve a target activated paial thromboplastin time (aPTT) of 60-80 s. The two principal indications for inseion of an IVC filter are (1) active bleeding... | 16,220 | medmcqa_train |
which of the following is Marble bone disease ? | *Osteopetrosis is also known as marble bone disease or Albers- Schonberg disease. *Paget's disease is known as Osteitis deformans. *Osteogenesis imperfecta is known as Brittle bone disease. *Osteoporosis is known as Fragile bone disease. Ref: Maheshwari 9th/e p.307 | 16,221 | medmcqa_train |
Appendix of testis is derived from ? | , Cranial end of paramesonephric duct | 16,222 | medmcqa_train |
Farmer's lung result from exposure to | (B) Thermophilic actinomycetes # FARMER'S LUNG is due to the inhalation of mouldy hay or grain dust. In grain dust or hay with a moisture content of over 30 per cent bacteria and fungi grow rapidly, causing a rise of temperature to 40 to 50deg C.This heat encourages the growth of thermophilic actinomycetes, of which Mi... | 16,223 | medmcqa_train |
Genital (vulval) was are asymptomatic white papillary growths, small at first, tend to coalesce. Which is most commonly implicated in genital was? | Condylomata acuminata (genital was) are caused by the human papilloma virus (HPV), mainly types 6 and 11. Other types of HPV, paicularly 16, 18, 45, 31, and 52, are responsible for intraepithelial and invasive neoplasia in the vagina, cervix, vulva, oropharynx, perineum, and perianal areas. Ref: Bornstein J. (2013). Ch... | 16,224 | medmcqa_train |
ORS required during 4 hours in a 20 kg child | ORSThe aim of oral rehydration therapy is to prevent dehydration and reduce moality.Oral fluid therapy is based on the observation that glucose given orally enhances the intestinal absorption of salt and water and is capable of correcting electrolyte and water deficit.At first the composition of oral rehydration salt r... | 16,225 | medmcqa_train |
The artery most frequntly responsible for bleeding in massive hemoptysis is- | Ans- is 'a' i.e., Bronchial Artery Schwartz writes -"Cavitary lesions are characteristic pathological lesion in pulmonary tuberculosis. Due to intense inflammatory process in the periphery of cavity, hypertrophy of bronchial arterial and pulmonary arterial branches occur. These hypertrophied arterial branches can be er... | 16,226 | medmcqa_train |
Association of deafness & nephritis is seen in | Answer is B (Alpo's syndrome): Alpo's syndrome is an inherited disorder characterized by hereditary nephritis, sensorineural deafness and ocular abnormalities paicularly lenticonus. | 16,227 | medmcqa_train |
The layers of amnion are deprived of the following structure: | Five separate layers of amnion are present. The inner surface, which is bathed by amnionic fluid, is a single layer of cuboidal epithelium. This epithelium is attached firmly to a distinct basement membrane that is connected to the acellular compact layer, which is composed primarily of interstitial collagens. On the o... | 16,228 | medmcqa_train |
Denominator in negative predictive value ? | Ans. is 'd' i.e., True negative + false negative | 16,229 | medmcqa_train |
Symptomatic treatment is not required in withdrawal of | A i.e. Cannabis | 16,230 | medmcqa_train |
Spermicidal jelly acts through : | Ans. is d i.e Disruption of cell membrane Spermicides : "Spermicides are contraceptive chemical agents. They comprise,of a chemical capable of destroying sperm, incororated into an ine base. The commonly used spermicidal agents contgain nonionic surfactants which alter sperm surface membrane permeability, causing osmot... | 16,231 | medmcqa_train |
Evaluation of a patient with post menopausal bleeding is done by : | Ans. is a, b and c i.e. Pap smear; USG; Endometrial biopsy; and Dilatation & curettage Investigations to be done in a case of postmenopausal bleeding Pap's smeardeg * Endometrial sampling through biopsydeg Hysteroscopydeg * D & Cdeg Pelvic USG" paicularly TVS or sonohysterography. (Endometrial thickness < 6mm measured ... | 16,232 | medmcqa_train |
Unconjugated hvperbilirubenemia is seen in all except | (B) Dubin Johnson's syndrome# Common causes of raised bilirubin and urobilinogen> Raised conjugated bilirubin (bilirubinuria)> Hepatocellular disease and post-hepatic or cholestatic disease (intrahepatic and extrahepatic), including drug toxicity as well as pancreatic causes of obstructive jaundice.> Inherited defects ... | 16,233 | medmcqa_train |
Liquefactive necrosis is seen in all except: | Ans: b (Myocardial infarction) Ref: Robbins, 7th ed,p."Myocardial infarction is an example of coagulative necrosis"Necrosis:Morphological changes that follow cell death in living tissue due to degradative action of enzymes on lethally injuried cells.TypesCoagulative necrosis:* Basic outline is preserved* Characteristic... | 16,234 | medmcqa_train |
Prions include: | Answer is C (Proteins): Prions are infectious proteins devoid of any nucleic acid (RNA or DNA) | 16,235 | medmcqa_train |
A patient posted for surgery has raised intracranial tension. Which of the following anesthetics would be preferred in him? | Ans. c. Isoflurane | 16,236 | medmcqa_train |
Enterovirus 72 is | Hepatitis A virus belongs to Enterovirus (picomavirus family) and was originally designated as “enterovirus-72”
Hepatitis ‘A' virus
HAV is a non enveloped RNA virus.
It is classified in genus Hepatovirus under family picomavirus.
Originally called as enterovirus 72.
It is the only human hepatitis virus which can ... | 16,237 | medmcqa_train |
The common cause of bilateral internuclear ophthalmoplegia is | Multiple sclerosis It is a demyelinating disorder of unknown etiology, affecting women more often than men, usually in the 15-50 years age group. Pathologically, the condition is characterised by a patchy destruction of the myelin sheaths throughout the central nervous system. Clinical course of the condition: It is ma... | 16,238 | medmcqa_train |
Trapezoid body is associated with | Ans: a (Auditory pathway) Ref: IB Singh 6th ed/p. 107Trapezoid body is concerned with auditory pathway.Auditory Pathway:First order neurons start from the spiral ganglion and end in the dorsal and ventral cochlear nuclei.From there, the second order neurons end in superior olivary nucleus of both sides. Some fibres do ... | 16,239 | medmcqa_train |
A surgeon sees a necrotic bowel when operating a child for inguinal hernia. What is true about the resection and anastomosis of the bowel | The standard technique used currently for resection and anastomosis of the bowel is one layer--Extra mucosal suture techniqueThis technique has now become widely accepted, although it is essential that this is not confused with a seromuscular suture technique. The extramucosal suture must include the submucosa because ... | 16,240 | medmcqa_train |
The parents of a dead woman complained that their daughter's in-laws used to demand for dowry frequently. Their daughter had died within 5 years of marriageunder suspicious circumstances. The magistrate can authorize the autopsy of this case under which of the following sections: | In this above case, the history raises the suspicion of dowry death. Such death under peculiar circumstances can be investigated by the orders of the Magistrate. Section 176 CrPc is concerned with Magistrate's Inquest. This section of the law deals with the inquiry of the Magistrate into the cause of the death. A magis... | 16,241 | medmcqa_train |
True about Mantle cell Lymphoma is all except | Mantle cell Lymphoma is an acquired genetic disorder. It is neither communicable nor inheritable. | 16,242 | medmcqa_train |
Lithium is used in prophylaxis of | Ans. is 'd' Recurrent manic depressive attacks Lithium is used in prophylaxis of manic depressive illness. | 16,243 | medmcqa_train |
At 24 Weeks the fundus height reaches to :- | Pubic symphysis - 12 week Umbilicus - 24 weeks Xiphoid process - 36 weeks 1-2 finger width below costal arch - 40 weeks Please note that these are rough estimates of fundal height and their correlation with the gestational age> These can vary significantly if the patient is very thin or very obese. | 16,244 | medmcqa_train |
Amount of Protein present in 100ml of breast milk is | Amount of Protein present in 100ml of breast milk is: 1.1 g/dl | 16,245 | medmcqa_train |
Ferning of cervical mucus depends on : | Estrogen | 16,246 | medmcqa_train |
Immature senile cataract can be best differentiated from mature senile cataract by: | Ans. Distant direct ophthalmoscopy | 16,247 | medmcqa_train |
Which of the following is not included in neonatal moality: September 2010 | Ans. C: Post neonatal moality Early neonatal moality refers to a death of a live-born baby within the first seven days of life, while late neonatal moality covers the time after 7 days until before 28 days. The sum of these two represents the neonatal moality. Some definitions of the PNM include only the early neonatal... | 16,248 | medmcqa_train |
The 5a reductase inhibitor that has been found to be effective both in benign prostatic hyperophy and male pattern baldness is: | Finasteride and dutasteride are 5 alpha reductase inhibitors. Flutamide is androgen receptor antagonist. Prazosin is alpha blocker. Minoxidil is potassium channel opener. | 16,249 | medmcqa_train |
Following are Arboviral diseases - | kyasanur foerst disease a hemorrhagic fever found in karnataka. It is arboviral disease REF:ANANTHANARYANAN TEXT BOOK OF MICROBIOLOGY 9EDITION PGNO.524 | 16,250 | medmcqa_train |
A sewer worker presents with highgrade fever, neck rigidity, and signs of meningismus. Laboratory findings are suggestive of renal failure and elevated liver enzymes. The most appropriate drug to be prescribed in this case is ____ | The clinical picture is suggestive of leptospirosis. Hence, the drug to be prescribed in this case is penicillin. Following points are in or of leptospirosis: A sewer (an underground conduit for carrying off drainage water and waste matter) worker Signs of meningismus Laboratory diagnosis of renal failure and elevated ... | 16,251 | medmcqa_train |
Sullivan index denotes: September 2006 | Ans. B: Life expectancy excluding disability free period This index (expectation of life free of disability) is computed by subtracting from the the life expectancy the probable duration of bed disability and inability to perform major activities, according to cross-sectional data from the population surveys. It is one... | 16,252 | medmcqa_train |
Which among the following is TRUE regarding tumorigenesis during aging? | Telomerase is a ribonucleoprotein that is expressed in stem cells and most cancer cells, but not in somatic cells. More than 90% of human cancers express high levels of telomerase that prevent telomere shoening to critical levels and allow indefinite cell proliferation. Ref: Longo D.L. (2012). Chapter 84. Cancer Cell B... | 16,253 | medmcqa_train |
Chemoprophylaxis can be done for the following except- | Chemoprophylaxis implies the protection from or prevention of disease. This may be achieved by causal prophylaxis of a disease or by clinical prophylaxis. 1)causal prophylaxis implies the complete prevention of infection by the early elimination of the invading or migrating causal factor 2)clinical prophylaxis implies ... | 16,254 | medmcqa_train |
Complete wound strength is gained by? | Wound Strength Carefully sutured wounds have approximately 70% of the strength of normal skin When sutures are removed, usually at 1 week, wound strength is approximately 10% of that of unwounded skin this increases rapidly over the next 4 weeks Wound strength reaches approximately 70% to 80% of normal by 3 month never... | 16,255 | medmcqa_train |
Disease not included under International surveillance | Disease under international surveillance
Rabies
Malaria
Relapsing fever
Human Influenza
Salmonellosis
Typhus fever (Louse borne)
Poliomyelitis | 16,256 | medmcqa_train |
All of the following mediate erection of penis except - | The erection of penis is by parasympathetic supply in which afferent is by pudendal nerve and sacral plexus while efferent is by pelvic splanchnic nerve (nervi erigentis). | 16,257 | medmcqa_train |
The given below instrument used in: | Ans. (A) Cesarean section(Ref: DC Dutta's Text book of Obstertics 8th Ed; Page No 751)The given image is Doyen's Retractor.Material: Stainless steelSterilization: AutoclavingUses:#ObstetricCesarean sectionCesarean hysterectomyf Exploratory laparotomy for ruptured tubal ectopic pregnancy#GynecologicAbdominal hysterectom... | 16,258 | medmcqa_train |
Decreased bone conduction in an audiogram indicates: | Bone conduction is a measure of cochlear function. This is tested either by Schwabach test or absolute bone conduction test or audiometrically by placing the vibrator on the mastoid bone. Decreased bone conduction or loss of it indicates hypoactive or non-functioning cochlea. All other conditions listed in (a), (b) and... | 16,259 | medmcqa_train |
Which is not a finding in a massive left sided pneumothorax? | The ECG pattern in the left sided group has been more conspicuous and more striking, and has consisted of a lower voltage of QRS-1, flattening of T waves in Lead 1, a change in the contour of QRS complexes in the chest leads, and a definite inversion of T waves in the chest leads; these T wave inversions being the most... | 16,260 | medmcqa_train |
Iron and folic acid supplementation forms - | Ans. is 'b' i.e., Specific protection o Option 'c' is also correct because specific protection is a type of primary prevention. o But we will have to choose one option for All India enterance examination. o Option 'b' (specific protection) is the best answer (unlike previous question where more than one option can be c... | 16,261 | medmcqa_train |
Fertilization of ovum normally occurs in which part of fallopian tube? | Ans. c (Ampulla) (Ref. Dutta Obstetrics, 6,h/pg. 21; Shaw's Gynecology, 14th/pg.l77)# Fertilization is the process of fusion of the spermatozoon with the mature ovum. It begins with sperm collision and ends with production of a mononucleated single cell called zygote.# Almost always, fertilization occurs in the ampulla... | 16,262 | medmcqa_train |
Physiologic shunt refers to: | If some pa of the lung does not have ventilation but has blood perfusion, blood leaving this pa will remain mixed venous blood. That is, this blood will not be oxygenated. And, it will mix with aerial blood in left ventricle. This is called physiologic shunt or venous admixture. Atelectasis is the most common cause of ... | 16,263 | medmcqa_train |
The nerve responsible for Cremasteric reflex is: | Genito femoral nerve | 16,264 | medmcqa_train |
A boy gets hit by a tennis ball in the eye following which he has complaints of decreased vision. Which of the following tells that blunt injury is due to the ball? | Amongst the given options, only vitreous base detachment is pathognomonic for blunt trauma and is associated with retinal detachment.
"Blunt trauma to eye can cause linear tears of retina along the anterior border or posterior border of vitreous base. Such tears are most common superonasally and inferotemporally and m... | 16,265 | medmcqa_train |
What is the shown abnormality in shape is called? | Globodontia can be seen in primary and permanent dentition.
Canine and molars becomes larger, but no effect on incisors. | 16,266 | medmcqa_train |
Carbonic anhydrase is an example of: | Metalloenzymes:
These enzymes hold the metals rather tightly which are not readily exchanged. e.g., alcohol dehydrogenase, carbonic anhydrase, alkaline phosphatase, carboxypeptidase and aldolase contain zinc.
Phenol oxidase (copper)
Pyruvate oxidase (manganese)
Xanthine oxidase (molybdenum)
Cytochrome oxidase (iron a... | 16,267 | medmcqa_train |
Which of the following can infect ovary - | Ans. is 'a' i.e., Mumps virus o Mumps begins as a primary infection in the respiratory tract and spreads by viremia to glandular tissues including the salivary glands, pancreas, testes and ovaries. | 16,268 | medmcqa_train |
Brain perfusion means | MAP is the average blood pressure during one cardiac cycle and can be directly measured through invasive hemodynamic monitoring or can be calculated as the systolic blood pressure, plus two times the diastolic blood pressure, divided by three. The normal range of MAP is 70 to 100 mm Hg. Ref: guyton and hall textbook of... | 16,269 | medmcqa_train |
Most common type of carcinoma lung is? | Ans. is 'b' i.e., Adenocarcinoma | 16,270 | medmcqa_train |
Polysacharide pneumococcal vaccine used in all EXCEPT | (Less than 2 years of age): (914-Nelson 19th edition) (1158-59- H 18th edition; 147-685- Davidson 21st)* Immunologic responsiveness and efficacy following administration of pneumococcal polysaccharide vaccines is unpredictable in children < 2 years of age (914- Nelson 19th/ed)* High risk children > 2yr of age, such as ... | 16,271 | medmcqa_train |
Rhabdomyolysis is caused by - | sea snake Venom -- myotoxic Rhabdomyolysis is a condition that occurs due to the breakdown of muscle tissue. REF;THE SYNOPSIS OF FORENSIC MEDICINE:KS NARAYANA REDDY;28th EDITION;PAGE NO322 | 16,272 | medmcqa_train |
Which of the following are true about obsession except: | Ans: D. Disorder of content of thought(Ref Fish's Clinical Psychopathology/p22-24; Niraj Ahuja 7/e p95; Kaplan Synopsis 10/e p234; CDTP 2/e p106, 274, 749)Strictly speaking, obsessions are disorders of "possession" qr thought and not "content" of thought.Obsessions - Defined as:Recurrent and persistent thoughts, impuls... | 16,273 | medmcqa_train |
Diazoxiben is a:(2001) | dRef: KDT, 4th ed, p. 613 | 16,274 | medmcqa_train |
Which of the following nerve arise from the lateral cord of the brachial plexus? | Musculocutaneous nerve arise from the lateral cord of the brachial plexus. Other nerves arising from the lateral cord are lateral root of median nerve and lateral pectoral nerve. Branches of the medial cord of the brachial plexus are:Medial root of median nerveMedial pectoralMedial cutaneous nerve of forearmMedial cuta... | 16,275 | medmcqa_train |
Meibomian glands secrete which component of sweat- | Oily layer of tear film. Ref khurana 6th edition REF IMG | 16,276 | medmcqa_train |
Development of breast is related with: March 2013 | Ans. B i.e. Tanner scale | 16,277 | medmcqa_train |
A recurrent bilateral conjunctivitis occurring with the onset of hot weather in young boys with symptoms of burning, itching, and lacrimation with polygonal raised areas in the palpebral conjunctiva is: | D i.e. Vernal Keratoconjunctivitis | 16,278 | medmcqa_train |
The Eosinophils secrets all EXCEPT - | Ans. is 'b' i.e., Hydrolytic enzyme Eosinophils produce o Major basic protein o PAF o Neurotoxin o Reactive oxygen species o Leukotrienes o Peroxidase o Eosinophilic cationic protein | 16,279 | medmcqa_train |
Deficiency of enzyme a-keto acid decarboxylase leading to a block in the metabolism of branch chain amino acids is observed in - | Ans. is 'a' i.e., Maple Syrup urine diseaseMAPLE SYRUP URINE DISEASE In this disorder, the branched-chain keto acids derived from isoleucine, leucine, and valine appear in the urine, giving it a maple syrup-like odor.This condition results from a deficiency in the branched-chain -keto acid dehydrogenase.It is a mitocho... | 16,280 | medmcqa_train |
Alcoholic hyaline, in alcoholic liver disease is composed of- | Ans. is 'b' i.e., Eosinophilic intracytoplasmic inclusions | 16,281 | medmcqa_train |
Sphenopalatine foramen opens in relation to which of the following wall of pterygopalatine fossa? | Medial wall of pterygopalatine fossa is formed by perpendicular plate of the palatine. It has the opening sphenopalatine foramen to the nasal cavity which transmits the sphenopalatine aery and nasopalatine nerve.Structures forming boundaries of pterygopalatine fossa are:Anterior wall is formed by posterior surface of m... | 16,282 | medmcqa_train |
Antiglomerular basement antibody is seen in- | Goodpasture's syndrome is characterized by acute renal failure due to RPGN and pulmonary hemorrhages. The disease results from damage to the glomeruli by anti-GBM antibodies which cross-react with alveolar basement membrane and hence, produce renal as well as pulmonary lesions. The evidence in suppo is the characterist... | 16,283 | medmcqa_train |
Exposure keratopathy is due to involvement of which cranial nerve: March 2012 | Ans: D i.e. 7th cranial nerve Exposure keratopathy is due to any cause which may produce exposure of the cornea due to incomplete closure of the eyelids (lagophthalmos), such as extreme proptosis as in exophthalmic ophthalmoplegia or orbital tumour, paralysis of the orbicularis (neuroparalytic keratopathy etc.) Keratop... | 16,284 | medmcqa_train |
Dermatome of UMBILICUS is: | Ans. (A). T10 A dermatome is an area of skin that is mainly supplied by afferent nerve fibers from a single nerve which forms a part of a spinal nerve. There are 8 cervical nerves (C1 being an exception with no dermatome), 12 thoracic nerves, 5 lumbar nerves and 5 sacral nerves. Each of these nerves relays sensation (i... | 16,285 | medmcqa_train |
Which of the following endocrinological condition may be associated with hydatiform mole : 46 XX | Hypehyroidism | 16,286 | medmcqa_train |
Which pathway takes place partly in mitochondria and partly in cytoplasm | Heme synthesis
Urea cycle
Gluconeogenesis
Mnemonic : These 3 pathways HUG cytoplasm and Mitochondria
These 3 pathways take place partly in cytoplasm and partly in mitochondria | 16,287 | medmcqa_train |
Prevalence is calculated by formula(2018) | Relationship between prevalence and incidence Prevalence depends upon 2 factors, the incidence and duration of illness. Given the assumption that the population is stable, and incidence and duration are unchanging, the relationship between incidence and prevalence can be expressed as : P= IxD = incidence x mean duratio... | 16,288 | medmcqa_train |
A sputum sample was brought to the laboratory for analysis. Gram stain revealed the following: rare epithelial cells, 8 to 10 polymorphonu-clear leukocytes per high-power field, and pleomorphic Gram-negative rods. As the laboratory consultant, which of the following interpretations should you make? | Many sputum specimens are cultured unnecessarily. Sputum is often contaminated with saliva or is almost totally made up of saliva. These specimens rarely reveal the cause of the patient's respiratory problem and may provide laboratory information that is harmful. The sputum in question appears to be a good specimen. Th... | 16,289 | medmcqa_train |
A neonate is born at term with multiple problems. He is small for gestational age and has cataract, hepatosplenomegaly and thrombocytopenia with purpura. Fuher studies demonstrate patent ductus aeriosus, bone lucency, pneumonia, and meningoencephalitis. The mother is a 17-year-old girl who had no prenatal care and had ... | The rubella virus is one of the causes of devastating prenatal infection. In adults and older children, the virus can cause asymptomatic infection or a relatively mild febrile illness (German measles) with upper respiratory symptoms, lymphadenopathy, maculopapular rash, and sometimes joint symptoms. The effects on the ... | 16,290 | medmcqa_train |
If a patient with a suspected fracture of the pelvis has some bleeding from the urethra and is unable to pass urine. What should be the next appropriate step in the management? | Urogenital injuries are common in pelvic fractures (5-10%), especially in men. These injuries should be suspected in conscious patients Who is unable to void or who has gross hematuria Bloody urethral discharge Swelling or ecchymosis of the penis or perineum High riding or floating prostate on rectal examination Manage... | 16,291 | medmcqa_train |
Most common virus leading to post transplantation lymphoma is? | MC virus leading to post transplantation lymphoma - EBV MC virus leading to Graft Failure in Post kidney transplantation - CMV | 16,292 | medmcqa_train |
Preaccelerin is ? | Ans. is 'c' i.e., Facter VII | 16,293 | medmcqa_train |
Treatment of choice for acoustic neuroma is | Acoustic neuroma is surgically removed through translabyrinthine, middle cranial fossa, suboccipital or combined translabyrinthine- suboccipital approach. Ref: Textbook of diseases of ENT, PL Dhingra, 7th edition, pg no. 127 | 16,294 | medmcqa_train |
Hallucination is a disorder of | Hallucination A hallucination is a perception experienced in the absence of an external stimulus. The hallucinations can be in the auditory, visual, olfactory, gustatory oactile domains. Auditory hallucinations are commonest types of hallucinations in non-organic psychiatric disorders like schizophrenia. visual halluci... | 16,295 | medmcqa_train |
Which of the following is true about medullary CA of thyroid | Answer- B. Elevated levels of Serum calcitoninIn Medullary carcinoma serum calcitonin is increased, whose function is to lower serum calcium levels.So hypocalcemia maybe found associated with MTC.Seen in MEN II A and BAssociated with RET Protooncogene | 16,296 | medmcqa_train |
Pneumocystis carinii is diagnosed by: | Ans: aRef: Harrison, 16th ed, p. 1195 | 16,297 | medmcqa_train |
Mirizzi's Syndrome is | Mirriz's syndrome(Functional hepatic syndrome) It is defined as obstruction of the common hepatic duct or CBD by external compression or by erosion of stone in the Hamann pouch or cystic duct. External compression has been classified as type I where as erosion as type II Mirriz's syndrome by McSherry Ref: Sabiston 20th... | 16,298 | medmcqa_train |
A 55 year old lady presenting to OPD with postmenopausal bleeding for 3 months has a 1 x1cm nodule on the anterior lip of cervix, The most appropriate investigation to be done subsequently is | Post menopausal bleeding with a visible cervical growth needs a tissue diagnosis, done by a punch biopsy of the lesion. Paps smear is a screening test, done in asymptomatic patients. Colposcopy + biopsy is a diagnostic test, indicated in symptomatic patients, like those with postmenopausal or post coital bleeding, or i... | 16,299 | medmcqa_train |
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