query stringlengths 1 1.57k | pos stringlengths 1 22.5k | idx int64 0 161k | task_name stringclasses 1
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In apoptotic permeabilization of membrane occurs in | Mitochondrial membrane ruptures releasing substances like cytochrome c ....which play major role in apoptosis Ref guyton and hall textbook of medical physiology 12/e pg 40 | 152,200 | medmcqa_train |
Most common site for avascular necrosis of femur is: | A i.e. Subcapital fracture Avascular necorsis & Non union are most common in subcapital type of fracture neck femur Q & least common in basal neck femur Q. | 152,201 | medmcqa_train |
MHC class I represented on- | Ans. is 'b' i.e.. All nucleated cells [Ref: Robbin's 8th/e p. 192; Ananthanarayan 7th/e p. 130}o The histocompatibility antigens (human leukocyte antigens - HLA) are cell surface antigens that induce an immune response leading to rejection of allografts.o The principal physiologic function of the cell surface histocomp... | 152,202 | medmcqa_train |
The gene involved in GIST | Pathogenesis of GISTs
Approximately 75% to 80% of all GISTs have oncogenic, gain-of-function mutations of the gene encoding the tyrosine kinase c-KIT.
Approximately 8% of GISTs have mutations that activate a related tyrosine kinase, platelet-derived growth factor receptor a (PDGFRA).
Constitutively active c-KIT or PDG... | 152,203 | medmcqa_train |
Which of the following in the natural course of disease has no reversal of the shunt | Ans. c. TOF Infants with acyanotic gradually become cyanotic as a result of worsening condition of the infundinular stenosis a.nd polycythemia Polycythemia develop secondary to cyanosis Hypoxic spells may develop in infants Growth retardation may be present if cyanosis is severe Brain abscess and cerebrovascular accide... | 152,204 | medmcqa_train |
True statement about &;total feility rate&; is | Total feility rate represents the average number of children a woman would have if she were to pass through her reproductive years bearing children at the same rates as the women now in each age group It gives the appropriate magnitude of completed family size Reference : Park&;s textbook of preventive and social medic... | 152,205 | medmcqa_train |
Inhalational agent of choice in children: | A. i.e. Sevoflurane | 152,206 | medmcqa_train |
Water lilly appearance in chest X-ray is suggestive of: | Ans. Hydatid cyst | 152,207 | medmcqa_train |
Drug of choice in drug-induced parkinsonism is : | Central anticholinergics like trihexyphenidyl (Benzhexol) are the only drugs effective in drug-induced Parkinsonism. | 152,208 | medmcqa_train |
A 13-year-old known asthmatic presents with severe wheezing and a respiratory rate of 40. Her pulse rate is 120. What is the next best step in management of this patient? | For severe acute asthma | Oxygen & Nebulized salbutamol is recommended Other option- Oxygen and metered dose inhale of salmeterol - for prevention of asthma Oxygen and Intravenous aminophylline - cause toxicity Oxygen & IV Magnesium sulphate - not recommended now days | 152,209 | medmcqa_train |
The difference between primary and secondary healing is | In secondary healing :
More granulation tissue and fibrosis occurs.
Scar is loss cosmetic.
Secondary healing occurs slower.
Surgical wounds are clean cut, hence they heal by secondary healing. | 152,210 | medmcqa_train |
Stem cells are taken from? | ANSWER: (B) Bone marrowREF: Harrison s 18th ed ch: 65, 66, 67Stem cells are biological cells found in all multicellular organisms, that can divide (through mitosis) and differentiate into diverse specialized cell types and can self-renewT to produce more stem cellsThere are three accessible sources of autologous adult ... | 152,211 | medmcqa_train |
'Knudson\'s two stage hypothesis is for – | Deletion or inactivation of RB gene by two mutations (Knudson's two hit hypothesis) results in occurrence of retinoblastoma. | 152,212 | medmcqa_train |
Muscle pain after anaesthesia is caused by – | Succinylcholine can cause post-operative muscle pain (myalgia, muscle soreness). | 152,213 | medmcqa_train |
A male 30 years of age complaints of poor vision in day light which improves in dim light. Which of the following is the most common cause? | Ans. (d) Steroid induced cataractRef: Ducker's ophthalmology 2/e, p. 412; Parson's 20/e, p. 251Steroid induced cataract is posterior subcapsular which causes the said complaints due to its central position. Age favours PSC than nuclear cataract. | 152,214 | medmcqa_train |
A 15 year old male has nominal aphasia. There is also history of scanty, foul smelling discharge in the past. The patient repos of some bleeding when cleaning the ear. Which of the following is the most likely diagnosis? | Ans. is'b'i.e., Temporal lobe abscesslRef: Dhingra Sh/e p. 85Otogenic brain abscessEar infections are the most common cause of brain abscess.Most common site of cerebral abscess is temporal lobe.Due to increased ICT.HeadacheNausea/vomitingLethargy progressing to drowsiness, confusion, stupor and coma. | 152,215 | medmcqa_train |
Blood-brain barrier is formed by | The foot process of astrocytes along with the capillary endothelial cells and tight junctions between them form the BBB. The blood-brain barrier(BBB) protects the brain and spinal cord from potentially harmful substances while allowing the gases and nutrients to enter. The tight junction between the endothelial cells o... | 152,216 | medmcqa_train |
Watson Jones operation is done for which condition ? | ref : maheswari 9th ed | 152,217 | medmcqa_train |
San Joakin valley fever is caused by | San joakin valley fever ( also known as dese rheumatism) is caused by coccidoides immitis which is a dimorphic fungi. at 37 degree C - it is yeast at 25 degree C - it is mould Ahroconidial arrangement is seen in this fungus ( Rectangular arrangement ) H. capsulatum- cause Darling disease B. dermatitidis- cause Chicago ... | 152,218 | medmcqa_train |
Which of the following is drug of choice for Toxoplasmosis in pregnancy? | DOC for Toxoplasma.gondi : Pyrimethamine + Sulfadiazine
DOC for Toxoplasma.gondi in Immunocompromised : Cotrimoxazole
DOC for Toxoplasma.gondi in Pregnancy : Spiramycin | 152,219 | medmcqa_train |
Investigation for definitive identification of cryptosporodium: March 2010 | Ans. B: Immunofluorescence test Diagnosis of cryptosporidium is made by demonstration of oocyst in feces Methods of detection and confirmation of cryptosporodium Wet mount-In bright-field microscopy using differential interference contrast (DIC), oocysts appear as small round structures (4 to 6 im) similar to yeasts. T... | 152,220 | medmcqa_train |
Red degeneration of fibroid is due to : | Thrombosis of the veins | 152,221 | medmcqa_train |
Which of the following cements is most irritant to pulpal tissues? | Because of its high acidity, silicates were classifed as severe irritant. High acidity can irritate and sometimes lead to irreversible pulpal damage.
Ref: Mannapalli ed 3 pg 48 | 152,222 | medmcqa_train |
Following is feature of Fuchs&; heterochromic iridocyclitis - | Fuchs&; heterochromic iridocyclitis is a chronic non-granulomatous type of low grade anterior uveitis typically assosiated with early cataract formation. Clinical features: Heterochromia of iris, Diffuse stromal iris atrophy, (moth-eaten appearence), may cause transillumination defect, Fine stellate KPs at the back of ... | 152,223 | medmcqa_train |
Who discovered polymerase chain reaction | Karry B mullis discovered PCR. | 152,224 | medmcqa_train |
Referred otalgia from base of tongue or oropharynx is carried by nerve: | The Jacobson nerve, tympanic branch of glossopharyngeal nerve (cranial nerve IX) directly innervates the ear but also has pharyngeal, lingual, and tonsillar branches to supply the posterior one-third poion of the tongue, tonsillar fossa, pharynx, eustachian tube, and parapharyngeal and retropharyngeal spaces. So any pa... | 152,225 | medmcqa_train |
Which of the following drug prevent these renal stones? | The renal stones are hexagonal in shape so, cystine stonesCarbonic anhydrase inhibitors are useful for cystinuria.Ref: Goodman Gillman 12th ed. Pg: 680 | 152,226 | medmcqa_train |
Which paraneoplastic syndrome is not seen with Small Cell Ca Lung: | Ans. (a) PTH(Ref: Robbins 9th/pg 715-717)Most common variety causing hypercalcemia is Squamous cell Ca, while all other hormones are usually secreted by small cell Ca | 152,227 | medmcqa_train |
Which of the following is not a 2nd generation antihistamine | Ans. b. Cyclizine | 152,228 | medmcqa_train |
40 years male presents with translucent scrotal swelling in which it is possible to get above the swelling on examination. What is the most probable diagnosis? | Ans. is 'a' i.e., Hydrocele * Hydroceles are typically translucent and it is possible to 'get above the swelling' on examination of the scrotum.Hydrocele* A hydrocele is an abnormal collection of serious fluid in a part of the processus vaginalis, usually the tunica.* Hydrocele fluid contains albumin and fibrinogen. If... | 152,229 | medmcqa_train |
Microvesicular steatosis is seen in all except - | Microvesicular steatosis is characterized by small intracytoplasmic fat vacuoles (liposomes) which accumulate in the cell. Common causes are tetracyclines, acute fatty liver of pregnancy, Reye's syndrome, and hepatitis C. Ref Davidson edition23rd pg 823 | 152,230 | medmcqa_train |
Which among the following condition can cause an increase in growth hormone level in blood? | Factors that stimulate secretion of growth hormone: Decreased blood glucose Decreased blood free fatty acids Starvation or fasting, protein deficiency Trauma, stress, excitement, exercise Testosterone, estrogen Deep sleep (stage II & IV) Growth hormone-releasing hormone Deoxyglucose Fasting Increase in circulating leve... | 152,231 | medmcqa_train |
Which among the following diseases can prove fatal in combination with malnutrition among under 5 Children? | Measles caused by myxovirus is characterized by fever and catarrhal symptoms of the upper respiratory tract (coryza, cough)Measles tends to be very severe in the malnourished child, carrying a moality up to 400 times higher than in well-nourished children having measles. Additionally severely malnourished children have... | 152,232 | medmcqa_train |
Which is the watershed area between SMA and IMA that commonly undergoes ischemia? | Anatomic factors predisposing to colonic ischemia include the narrow caliber of the IMA and occasional vascular variations that lack significant collaterals between the SMA and IMA. Predisposing physiologic factors include the low perfusion pressure at the splenic flexure, a watershed area, a decrease in perfusion asso... | 152,233 | medmcqa_train |
All of the following are displacements of Colie's fracture except - | Ans. is 'd' i.e., Medial dispalcement Displacement in colie's fractureo The fracture line runs transversely at the cortico-cancellous junctiono In the majority of the cases, one or more displacements of the distal fragment occuri) Dorsal displacement (Dorsal shift)ii) Dorsal tilt (Dorsal angulation)iii) Lateral displac... | 152,234 | medmcqa_train |
All of the following is true about Kevorkian sign except: | Kevorkian sign/ Cattle trucking sign: It is the earliest change in eye after death. Blood in the retinal vessels appear fragmented, visualized in opthalmoscope. It appears with in few seconds to minutes after death and persists for an hour. | 152,235 | medmcqa_train |
Umbrella configration on fluorescein angiogrphy is seen in - | Central serous retinopathy is a retinal disorder characterised by serous retinal detachment in the macula affecting mostly young men ages 20-45 yrs. Fluorescein angiography shows two patterns- Ink blot pattern Smoke stack pattern - small hyperfluorescent spot which ascends veically like a smoke stack and gradually spre... | 152,236 | medmcqa_train |
Lathyrism is due to: | The toxin present in lathyrus seeds has been identified as Beta oxalyl amino alanine (BOAA). Ref: Park's textbook of Preventive and Social Medicine, 21stedition, page-597 | 152,237 | medmcqa_train |
Which of the following statements regarding dyspnoea are True / False? a) Tripod positioned breathing, characterized by sitting with one's hands braced on the knees is indicative of increased airway resistance b) Paradoxical movement of the abdomen a sign of diaphragmatic weakness c) Left atrial failure should be consi... | Evidence for increased work of breathing (use of accessory muscles of ventilation, and the tripod position) is indicative of increased airway resistance. Paradoxical movement of the abdomen (inward motion during inspiration), a sign of diaphragmatic weakness. Left atrial myxoma or hepatopulmonary syndrome should be con... | 152,238 | medmcqa_train |
Not a feature of orbital apex syndrome | A, b, c are triad of orbital apex syndrome. | 152,239 | medmcqa_train |
A child of 3 years will be able to: March 2009 | Ans. A: Copy Circle Copying a circle: 3 years Rides tricycle: 3 years Copies cross: 4 years Copying triangle: 5 years | 152,240 | medmcqa_train |
Kidney size is normal in | Kidney size :
Normal - Medullary sponge kidney, Simple renal cysts.
Small - Medullary Cystic kidney, Nephronophthisis . | 152,241 | medmcqa_train |
Cesarean delivery has following advantage over vaginal delivery | Elective cesarean delivery offers decreased risks for hemorrhage and chorio amnionitis compared to vaginal delivery. | 152,242 | medmcqa_train |
Differential diagnosis of a lesion, histologically resembling giant cell tumour in the small bones of the hand/feet, include all of the following except: March 2005 | Ans. A: Fibrosarcoma Lytic bony lesions: Differential Diagnosis (Mnemonic = FOGMACHINES): F = Fibrous Dysplasia 0 = Osteoblastoma G = Giant Cell Tumour M = Metastasis / Mveloma A = Aneurysmal Bone Cyst C = Chondroblastoma H = Hyperparathyroidism (brown tumours)/ Hemangioma I = Infection N = Non-ossifying Fibroma E = Eo... | 152,243 | medmcqa_train |
All of the following manifestations may be associated with lacunar infarcts, except: | Answer is D (Quadriplegia): Quadriplegia/Quadriparesis are not associated with lacunar infarcts. | 152,244 | medmcqa_train |
A middle aged man with chronuc renal failure is diagnostic to have sputum positive pulmonary tuberculosis. His creatinine clearance is 25ml /min. All of the following drugs need modification in doses except | Refer Katzung 11/e p826 Rifamipicin is associated with bile Rifamipicin is secreted in bile So it does not require dose adjustment min renal failure | 152,245 | medmcqa_train |
Febrile response in CNS is mediated by all except | Fever is produced in response to substances called pyrogens that act by stimulating prostaglandin synthesis in the vascular and perivascular cells of hypothalamus.
They can be classified as:
Exogenous pyrogens - Endotoxin of gram ‘-’ bacteria, superantigens (gram ‘+’ bacteria).
Endogenous pyrogens - IL-1, TNF-alpha, C... | 152,246 | medmcqa_train |
A patient presented with interstitial pneumonia,denied being bitten by insects.Of the following rickettsial diseases, which could have been caused without an insect bite? | - Since the patient denied of being bitten by insects, the most likely rickettsial disease is Q fever. - Since out of 4 option only Q fever has no ahropod transmission . - It is transmitted by aerosol. - It is caused by Coxiella burnetti. - No rash occur in Q fever In scrub typhus vector is trombiculid mite In ricketts... | 152,247 | medmcqa_train |
JSB stain is used for which parasite ? | Ans. is 'a' i.e., Malaria JSB (Jaswant-Singh-Bhattacherji) stain is a fairly rapid staining method for the detection of malarial parasites. This stain is superior to the field's stain because the parasites stain clearer and both thick and thin smears can be stained. However, preparations fade quite rapidly and this sta... | 152,248 | medmcqa_train |
Which of the following surgery is not contraindicated below 12 years of age? | FESS is the only surgery which can be perform before 17 years. In rarest circumstances, septal surgery is performed in children, septoplasty is also done and never SMR. | 152,249 | medmcqa_train |
Minimum effective dose of ethinyl estradiol in combination oral pills is: | Ans. is a, i.e. 10mgRef: Dutta Obs. 6th/ed, p542; Shaw 15th/ed, p231"Intensive pharmacological research clinical trials conducted to minimise the adverse effects of estrogen without reducing the contraceptive efficacy, resulted in lowering the dose of oestrogen to a minimum of 20mg or even 15mg"Thus, Remember: Low dose... | 152,250 | medmcqa_train |
All of the following reactions are catalyzed by microsomal enzymes EXCEPT: | - Acetylation is done by N-acetyl transferase which is a non-microsomal enzyme.
- Most of the Phase 1 reactions and Glucuronidation is done by microsomal enzymes. | 152,251 | medmcqa_train |
Accessory muscle of mastication: | Ans. C BuccinatorRef: Gray's Anatomy 41st ed. P 495* It is a thin quadrilateral muscle of cheek, occupies the interval between maxilla and mandible.* It compresses the cheek against the teeth and gums during mastication and assists the tongue in directing the food between teeth.Classically the muscles of mastication ar... | 152,252 | medmcqa_train |
Conjugate vaccines are available for the prevention of invasive disease caused by all of the following except - rpt | Question repeated | 152,253 | medmcqa_train |
Which of the following is an immature defense mechanism? | Regression is where a person returns back to earlier phase of development to avoid the tensions & conflicts of present phase of development.
Ex: A businessman who is stressed because of financial problems goes to a park & plays with children. | 152,254 | medmcqa_train |
What is the advantage of fixed dose combination of drugs. | Ans. D. All of the aboveAdvantages of FDC:Safe and effective.Reduces "pill burden" a Enhancing overall treatment outcome.Increases efficiency.Reduce incidence of adverse drug effects.Improves patient compliance.Offers low cost (compared to individual components of active ingredients). | 152,255 | medmcqa_train |
Characteristics of normal distribution curve includes: | Characteristics of normal distribution curve:
Bell Shaped
Symmetrical
Asymptotic – The two tails never touches the X-axis
Standard deviation = variance
Mean=median=mode=0 (Coincide) | 152,256 | medmcqa_train |
Causes of physiological jaundice : | All the above | 152,257 | medmcqa_train |
Which of the following congenital lesion is deformity: | Ans: B (CTEV) CONGENITAL ANOMALIES Robbins 7th/470-74# Congenital anomalies are morphologic defects that are present at birth, but some, such as cardiac defects and renal anomalies, may not become clinically apparent until years later.The term congenital does not imply or exclude a genetic basis for the birth defect. I... | 152,258 | medmcqa_train |
NOT a true content of Inguinal canal among the following is | Ilioinguinal nerve is NOT a true content of Inguinal canal | 152,259 | medmcqa_train |
Keratomalacia is due to - | Ans. is 'a' i.e., Vit-A deficiency o Keratomalacia It is a common condition in developing countries and is due to deficiency of vitamin A.o The condition is usually bilateral.o In keratomalacia, the cornea becomes dull and insensitive, hazy and yellow infiltrates form until finally the whole tissue undergoes necrosis a... | 152,260 | medmcqa_train |
A woman at 32 weeks of pregnancy, presents with Labour pains. On examination, her cervix is dilated and Uterine contractions are felt. The management is: | Now, in this case note - patient is presenting at 32 weeks (i.e., third trimester) with cervix dilated and uterine contractions are felt, which indicate it is a case of early preterm labour and should be managed by giving tocolytics i.e. isoxsuprine hydrochloride.
The tocolytic will delay labor by 48 hours, in the mean... | 152,261 | medmcqa_train |
Ribs develop from ? | Ribs which are attached to veebra posteriorly is derived from paraxial mesenchyme which is derived from mesoderm. Mesoderm - Paraxial Mesoderm, Intermediate Mesoderm, Lateral plate Mesoderm Paraxial mesoderem forms somites -sclerotome, myotome and dermatome. Sclerotome forms veebra and ribs. Myotome forms skeletal musc... | 152,262 | medmcqa_train |
HHV - 8 causes all the following disease except | Duncan syndrome is lymphoproliferative syndrome caused by EBV(HHV - 4). | 152,263 | medmcqa_train |
In cerebral angiography, the dye is injected through – | On MRI, diagnostic confusion occasionally arises between arachnoid cysts and epidermoid cysts. The two masses may have similar characteristics on T1-weighted and T2-weighted images, and neither shows enhancement with gadolinium.
However, arachnoid cysts follow CSF signals on all sequences, in particular on FLAIR sequen... | 152,264 | medmcqa_train |
Steroid induced cataract | Drug induced cataract Coricosteroid-induced cataract Posterior subcapsular opacities are associated with the use of topical as well as systemic steroids. Prolonged use of steroids in high doses may result in cataract formation. Children are more susceptible than adults. Reference: A.K.Khurana; 6th edition; Page no:195 | 152,265 | medmcqa_train |
'Bulla spread sign' is seen in : | In the traditional "bulla spread" sign or Lutz sign, the margin of an intact bullae is first marked by a pen. Slow, careful and unidirectional pressure applied by a finger to the bulla causes peripheral extension of the bulla beyond the marked margin. The bulla thus extended has an irregular angulated border in pemphig... | 152,266 | medmcqa_train |
If Apgar score is 6 then: | Ans. b. Child is moderately distressedApgar evaluation of new-born infantsEvaluation0 Point1 Point2 PointsHeart rate0<100/min>100/minRespirationNoneIrregular, shallow, gaspsGood, CryingColourBluePale, blue extremitiesPinkMuscle ToneNoneWeak, passiveActiveReflex irritabilityNoneFacial grimaceActive withdrawalINFERENCE O... | 152,267 | medmcqa_train |
Microsomia" is defined as - | Ans. is 'b' i.e., Bih weight below 10' percentile Microsomia means small for date baby, i.e. newborn baby with a bih weight less than 10th percentile. | 152,268 | medmcqa_train |
steven johnsons syndrome is a side effect of | - SIDE EFFECTS OF THE DRUG - APLASTIC ANEMIA - AGRANULOCYTOSIS - Hyponatremia - Steven Johnson's syndrome - Liver enzyme elevation - It has teratogenic potential Ref.kaplon and sadock, synopsis of psychiaty, 11 th edition, pg no.923 | 152,269 | medmcqa_train |
All of the following are true about interstitial lung disease, Except: | Answer is C (Decreased FEVI/FVC): Interstial lung diseases produce a restrictive pattern on Pulmonary function testing and are characterized by a normal or elevated FEVIFVC ratio which is greater than 0.7 FEV and FVC are both reduced in interstitial lung disease but the decrease in FEVI is in propoion to decrease in FV... | 152,270 | medmcqa_train |
Drug of choice for Norwegian scabies | Drug of choice for Norwegian scabies - Oral ivermectin 200ug/kg/dose, two doses 10 days apa. topicals are not effective in the treatment as the crusted plaques will hinder the absorption of topical drugs. iadvl textbook of dermatology page 459 | 152,271 | medmcqa_train |
True about vibrio vulnificus - | Ans. is 'b' i.e., Halophiiic V. Vulnificuso V. vulnificus is a halophiiic vibrio. It has been linked to two distinct syndrome. V. VulnificusPrimary sepsisy Occurs in patients with underlying liver diseasey Occurs due to ingestion of raw oystersy Incubation period - 16 hoursy Begins with malaise, chills, fever and prost... | 152,272 | medmcqa_train |
Multinucleated giant cells are seen in smear from the lesions of: March 2013 | Ans. B i.e. Herpes simplex virus Herpes simplex and herpes zoster viruses cause abnormal cell division in epidermal cells, and this creates multinucleated giant cells. These are epidermal cells that are much larger than the normal epidermal cells, and they contain multiple nuclei. | 152,273 | medmcqa_train |
Multienzyme complex in humans | Fatty acid synthetase
Enzymes used in the fatty acid synthesis are multienzyme complexes:-
Acetyl-CoA carboxylase
Fatty acid synthase | 152,274 | medmcqa_train |
Which of the following is/arc didactic methods of health communication? | Ans. is 'c' i.e., Demonstration | 152,275 | medmcqa_train |
'Dawn phenomenon' refers to: | A more common cause of pre breakfast hyperglycemia is the waning of the evening or bedtime insulin and/or the dawn phenomenon. That is, reduced tissue sensitivity to insulin between 5am and 8am (dawn), due to spikes of growth hormone released hours before, at onset of sleep. For hyperglycemia due to waning of overnight... | 152,276 | medmcqa_train |
Lung cysts are caused by which parasite - | Ans. is 'd' i.e., Echinococcus LOCALIZATION OF PARASITE IN HUMAN BODYOrgan/ tissueProtozoan parasitesHelminthsMuscle* Toxoplasma gondii* Trichinella spiralis* Gnathostoma spinigerum* Spirometra* Echinococcus* Taenia solium (cysticercus cellulosae)Brain* Acanthamoeba sp* Entamoeba histolytica* Naegleria fowleri* Plasmod... | 152,277 | medmcqa_train |
You have noticed ape like thumb in a 30 years young man from bihar who is a known patient of leprosy? Which of the following test is not done to show the nerve involved in this condition? | Common in leprosy-The involvement of the: median nerve at the wrist ulnar nerve at the elbow common peroneal nerve at the fibular head Here median nerve (C5-T1) is involved all other tests done for median nerve palsy Card test is done for ulnar nerve A high/proximal lesion of the median nerve manifests in the hand of b... | 152,278 | medmcqa_train |
Trypsin cleaves | Activation of zymogens: Enteropeptidase (formerly called enterokinase), an enzyme synthesized by and present on the luminal surface of intestinal mucosal cells of the brush border membrane, conves the pancreatic zymogen trypsinogen to trypsin by removal of a hexapeptide from the N-terminus of trypsinogen. Trypsin subse... | 152,279 | medmcqa_train |
Interstitial cells of cajal are located in | Interstitial cells of cajal are located in the gastrointestinal tract They act as pace makers and produce slow waves which help in peristalsis Ref: Guyton and Hall textbook of medical physiology 12th edition ,page no :396 | 152,280 | medmcqa_train |
The earliest morphological evidence of ovulation is: | Subnuclear (basal) vacuolation : Ist HPE evidence of ovulation ( evidence of progesterone secretion ) Endometrial biopsy Invasive test EBX: HPE (Formalin) and AFB for TB( Normal saline ) Done usually 2-4 days before expected date of menses(D24 - D26) Not done Post menses Secretory endometrium( Progesterone acts) on EBx... | 152,281 | medmcqa_train |
All the following are true regarding dietary fibres EXCEPT: | Ans: a (Increases stool transit time) Ref: Park, 20th ed. Pg. 530 Dietary fibre * Non starch polysaccharide which is physiologically important component of the diet. * Broadly divided into cellulose and non cellulose polysaccharide. * Non cellulose polysaccharide include hemicellulose, pectin, storage polysaccharide li... | 152,282 | medmcqa_train |
Which of the following aminoacids is a component of Thioredoxin reductase- | Ans. is 'a' i.e., Selenocysteine* The 21st proteinogenic aminoacid is selenocysteine (It is represented as sec or as U).* Selenocysteine is a component of:# Thioredoxin reductase# 5' deiodinase# Glutathione peroxidase* Selenocysteine is coded by one of the stop codons UGA, if it is followed by selenocysteine insertion ... | 152,283 | medmcqa_train |
The prognosis of rapidly proliferating glomerulonephritis (Crescentric GN) depends upon | Ans. is 'a' No. of crescents (Ref: Robbins (Basic) 6/e, p453]Following lines from Robbins (Basics) gives us fair idea of the answer.Robbins says about rapidly progressive glomerulo nephritis that.- " prognosis can be roughly related to the number of crescents; patients with crescents in less than 80% ~ of the glomeruli... | 152,284 | medmcqa_train |
Angiofibroma bleeds excessively because: | Angiofibroma is a benign, vascular, locally invasive tumor. It has a fibrous stroma with irregular vascular channels, lined by endothelial cells without elastic membrane. Smooth muscle are often absent or incompletely present in it due to which it has tendency to bleed profusely. It is usually found in adolescent boys ... | 152,285 | medmcqa_train |
Head shape in Down's syndrome is: | General manifestations of Down’s Syndrome of Skull
a. Brachycephalic (round) skull resulting in a flattened face and occiput.
b. Presence at birth of third fontanelle. Just anterior to the posterior fontanelle.
c. Flat nasal bridge with a small maxilla.
Eyes
a. Oblique palpebral fissures with prominent epicanthic folds... | 152,286 | medmcqa_train |
Eaton Lambe syndrome is associated with | Lambe-Eaton myasthenic syndrome (LEMS) is a rare autoimmune disorder characterized by muscle weakness of the limbs. In normal neuromuscular function, a nerve impulse is carried down the axon (the long projection of a nerve cell) from the spinal cord. At the nerve ending in the neuromuscular junction, where the impulse ... | 152,287 | medmcqa_train |
Sin of Gomorrah is also known as: | Oral coitus | 152,288 | medmcqa_train |
Midpalmar space of hand communicates with all except - | First lumbrical is a content of thenar space, not midpalmar space. | 152,289 | medmcqa_train |
Presynaptic facilitation is caused by | Presynaptic facilitation: when a third neuron facilitates the presynaptic neuron at it ternimal end is called presynaptic facilitation It causes increased neurotransmitters by opening ca+ channals Ref:Guyton and Hall textbook of medical physiology 12th edition,page number:675,676,677 | 152,290 | medmcqa_train |
BIRAD's Score is designed to | Answer- A. Maintain uniformity in the repoing of imaging findings of various breast diseasesBIRADS stands for Breast Imaging-Repoing and Data System. It's a quality assurance tool developed by American college of Radiology.The system is designed to standardize both the repoing of imaging findings and the recommendation... | 152,291 | medmcqa_train |
Hallucination and illusion are disturbances in | Ans. b (Perception ) (Ref. Kaplan & Sadock's Synopsis of Psychiatry, 10th ed., p. 278)Hallucination and illusion are disturbance in perception.Schizophrenia is a heterogeneous syndrome characterized by perturbations of language, perception, thinking, social activity, affect, and volition.Key Symptoms Of Depersonalizati... | 152,292 | medmcqa_train |
Which of the following drugs inhibits de novo synthesis of purines? | By inhibiting the enzyme IMP (Inosine 5' Monophosphate) dehydrogenase, mycophenolate inhibits the de novo synthesis of purines. | 152,293 | medmcqa_train |
Not a common feature of Duchene muscular dystrophy is? | ANSWER: (C) Distal muscle involvementREF: Nelson's 18th ed p. 2541Duchene muscular dystrophy is the most common hereditary neuromuscular disease affecting all races and ethnic groups. The abnormal gene is on the X chromosome at the Xp21 locus and is one of the largest genes identified.Becker muscular dystrophy is the s... | 152,294 | medmcqa_train |
Number of permanent teeth at 8 years: | Ans. C. 12ToothLateral incisor (upper)Eruption7 to 9 monthsLateral incisor (lower)10-12 monthsFirst molar12 to 14 monthsCanine17 to 18 monthsSecond molar20 to 30 months ToothFirst molarEruption6 to 7 yearsCentral incisor6 to 8 yearsLateral incisor7 to 9 yearsFirst bicuspid9 to 11 yearsSecond bicuspid10 to 12 yearsCanin... | 152,295 | medmcqa_train |
In which of the following situations should a court refuse to overturn a living will? | Living wills represent the chance for patients to declare their wishes in advance of situations in which they become no longer competent to do so. They are revocable by the patient at any time and are automatically invalid if the patient is pregnant, as another being is involved. Living wills can be set aside if a long... | 152,296 | medmcqa_train |
Incidence of suicide is-( | C i.e. 8-10/1 lac population | 152,297 | medmcqa_train |
The mechanism by which ergometrine stops postpaum hemorrhage is that it: | All drugs used in PPH including oxytocin, misoprostol and ergometrine cause uterine contraction. The blood vessels are pressed in the uterine muscle and bleeding stops Indications to sta oxytocin Post paum hemorrhage Uterine ineia Breast engorgement due to abnormal milk ejection reflex | 152,298 | medmcqa_train |
Lt border of the heart in CXR is formed by – a) Pulmonary arteryb) Pulmonary veinc) Abdominal aortad) Arch of aortae) Rt ventricles | The left margin of heart is formed by aortic knuckle (prominence due to aortic arch), pulmonary trunk, left auricle, and left ventricle. | 152,299 | medmcqa_train |
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