query stringlengths 1 1.57k | pos stringlengths 1 22.5k | idx int64 0 161k | task_name stringclasses 1
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Allanto-enteric diverticulum is formed by the outgrowth of- | (A) (Yolk sac):Allantoic diverticulum* Before the formation of the tail fold, a small endodermal diverticulum called the allantoic diverticulum arise from the Yolk Sac near the caudal end of the embryonic disc. This diverticulum grows into the mesoderm of the connecting stalk (figure A). After the formation of the tail... | 10,700 | medmcqa_train |
DOC for Cisplatin induced nausea & vomiting occuring within 24 hours is | DOC for Cisplatin induced nausea & vomiting within 24 hours is Ondansetron.
DOC for Cisplatin induced nausea & vomiting after 2days is Aprepitant. | 10,701 | medmcqa_train |
Posterior cord supplies ? | Ans. is 'a' i.e., Teres minor Branches of posterior cord are :?Upper subscapular :- Supplies subscapularis.Lower subcapular :- Supplies subscapularis and teres major.Axillary nerve :- Supplies teres minor and deltoid.Thoracodorsal nerve :- Supplies latissimus dorsi.Radial nerve :- Supplies triceps and extensors of elbo... | 10,702 | medmcqa_train |
Macroglosia is seen in - | Ans. is 'a' i.e., Amyloidosis | 10,703 | medmcqa_train |
30 years old primipara in labour with transverse lie. Treatment of choice is : | Ans. is b i.e. Emergency cesarean section Patients in labour with transverse lie can be managed by external cephalic version followed by surgical rupture of the membrane. But it is impoant to note that the patient is a primigravida with age 30 years i.e. elderly primi, so, ECV is contraindicated. | 10,704 | medmcqa_train |
Collection of urine sample of a patient of TB kidney is done: | Ans. is 'c' i.e., In early morningSampling - Collect the whole of patient early morning urine on three consecutive days (Previously it was 24 hours urine collection but now it is not recommended).Culture of three morning urine samples yields a definitive diagnosis in 90% cases. | 10,705 | medmcqa_train |
Approach to Caldwell Luc operation is ? | Ans. is'b'i.e., Sublabial sulcus[Rel Dhingra Sh/ep. 422)Caldwell-Luc operation is a process of opening the maxillary antrum through canine fossa by sublabial approach and dealing with the pathology inside the antrum. | 10,706 | medmcqa_train |
The following is not a method of isolation of chlamydia from clinical specimens - | Ans. is 'b' i.e., Enzyme immunoassay Although chlamydia are bacteria, they are obligate intracellular parasites, therefore cultures and other diagnostics tests for chlamydia require procedures much like those used in diagnostic virology laboratories rather than those used in bacteriology laboratories.Diagnosis of chlam... | 10,707 | medmcqa_train |
Bamboo-spine is seen in: | Ans. a (Ankylosing-spondylitis). (Ref: Sutton Radiology, 6th/pg. l220, Harrison, Medicine, 18th/84,1949)ANKYLOSING-SPONDYLITIS (Marie-Strumple disease or Beschtrew disease)# Bamboo-spine (knobly spine, poker back or universal syndesmophytosis) is a characteristic feature of ankylosing spondylitis.# Syndesmophytes are g... | 10,708 | medmcqa_train |
A sewage worker presents to the emergency depament with fever and jaundice. Laboratory findings reveal an elevated BUN and serum creatinine suggestive of renal failure. Which of the following antibiotics is recommended? | Ans. is 'd' i.e., Penicillin G . Information in this question are :- i) Patient is sweage worker (high risk group for developing leptospirosis). ii) Jaundice and elevated BUN & creatinine - > Hepatorenal syndrome (Weil's disease). . So, presence of fever, jaundice and elevated BUN & creatinine in a sewage worker ( cont... | 10,709 | medmcqa_train |
Which of the following are situated away from the coding region | Structural genes are present in coding region. Rest all genes, like promoter gene, operator gene, regulatory gene (enhancer/repressor), are present away from coding region. | 10,710 | medmcqa_train |
Apoptosis is characterized by all of the following except - | . Inflammation | 10,711 | medmcqa_train |
A patient presents with evidence of lytic lesion in the bone. Histology from the bone lesion reveals monoclonal plasma cells. Bone marrow biopsy from the from the sternum shows <10 percent Plasma cells. Skeletal Survey is otherwise unremarkable. A small positive M spike is repoed on electrophoresis. The diagnosis is: | Answer is B (Plasmacytoma) Presence of a solitary lytic lesion of the bone with monoclonal plasma cells suggests a diagnosis of Solitary Plasmacytoma of Bone. A small M spike may be identified in some patients but Bone Marrow biopsy taken some distance away from the primary site is typically not involved typically show... | 10,712 | medmcqa_train |
Most common cause of hypehyroidism- | Most common cause of hypehyroidism is Graves' disease - 76% followed by Toxic Multinodular goitre - 14% and Toxic Solitary thyroid adenoma - 5%. Reference : page 740 Davidson's Principles and practice of Medicine 22nd edition | 10,713 | medmcqa_train |
A contact carrier in cholera has the following characteristic - | <p> The duration of contact carrier state is usually less than 10 days. The gall bladder is not infected. It plays an impoant role in the spread of cholera. The stool culture is frequently positive for V. cholera O1. Park&;s textbook of preventive and social medicine,K.Park,23rd edition,page no:230. <\p> | 10,714 | medmcqa_train |
Discrete muscle of Panninculus carnosus is:- | Panninculus carnosus is a striated muscle lying in the subcutaneous fascia. Daos muscle is subcutaneous involuntary muscle which continues in front with the fascia of Camper and fascia of Scarpa of anterior abdominal wall. NOTE: In humans the platysma muscle of the neck, palmaris brevis in the hand, and the daos muscle... | 10,715 | medmcqa_train |
Estimation of free chlorine of water is done by: March 2012, March 2013 (c, g) | Ans: A i.e. Ohotolidine test Test/instruments and their use Ohotolidine test enables both free and combined chlorine in water to be determined with speed and accuracy Horrock's water testing apparatus is designed to find out the dose of bleaching powder required for disinfection of water Paterson's chloronome is one su... | 10,716 | medmcqa_train |
Which of the following drugs acts on trabecular meshwork and affects the aquatic outflow | Miotics-like pilocarpine act by increasing the trabecular outflow. Drugs for Glaucoma- Mechanism of Action Brimonidine- Reducing aqueous production and Latanoprost- Increasing uveoscleral flow . Pilocarpine-Increase the trabecular outflow Betaxolol-Reduces aqueous secretion by cilary body Ref-KDT 6/e p145 | 10,717 | medmcqa_train |
Investigation of choice for detection and characterization of interstitial lung disease is | High Resoluon CT (HRCT) is investigation of choice for interstitial lung disease as it can delineate the lung parenchyma upto the level of secondary pulmonary lobule. | 10,718 | medmcqa_train |
Craig's cyst is: | Paradental cyst is associated with vital tooth and mandibular 3rd molar, recurrent pericoronitis. | 10,719 | medmcqa_train |
If a 4 nucleotide sequence code for an amino acid instead of 3 then theoretically how many unique amino acids could be coded by such a system? | There are four types of nucleotides (A, T, G, C).
Normally the codons are made up of 3 nucleotides. Thus there are 43 = 64 possible codon combinations.
If the codons are made up of 4 nucleotides, then there would be 44 = 256 possible codon combinations.
If the codons are made up of 2 nucleotides, there would be 42 = 16... | 10,720 | medmcqa_train |
First step in control of cholera epidemic- | Ans. is 'c' i.e., Verification of diagnosis o First stem in control of any epidemic is verification of diagnosis.Control of cholera (WHO guidelines)o Measures taken to control cholera epidemic are1) Verification of diagnosis : Identification of V. cholera 01 in stools of few patients is sufficient. It is not necessary ... | 10,721 | medmcqa_train |
Essential amino acids include all EXCEPT: | ANSWER: (D) AlanineREF: Essentials of Biochemistry - Herbert J. Fromm, Mark Hargrove Page 9Essential amino acids are "essential" not because they are more important to life than the others, but because the body does not synthesize them, making it essential to include them in ones diet in order to obtain them.Nutritiona... | 10,722 | medmcqa_train |
Synaptic potentials can be recorded by | Potential" refers to electrical potential, or voltage, and paicularly to voltage recorded with a microelectrode embedded within neuronal tissue, typically in the brain of an anesthetized animal or within a thin slice of brain tissue maintained in vitro. The electrical activities in the neurons are rapid being measured ... | 10,723 | medmcqa_train |
which of the following is best for ante-moem diagnosis of rabies? | Option 1-Anti Rabies antibodies in blood appear late and can also be present after vaccination. So detection of antibodies in CSF is more significant. Option 2: Direct fluorescent antibody test is the ideal method of antemoem diagnosis of rabies. Samples can be: Corneal impression smear is only 30% sensitive, mainly it... | 10,724 | medmcqa_train |
"Bamboo spine" is seen in | Ans. a (Ankylosing spondylitis). (Ref. Sutton Textbook of Radiology, 6th ed., 1220)RADIOGRAPHIC FINDINGS OF ANKYLOSING SPONDYLITIS# Radiographically demonstrable sacroiliitis is usually present in AS.# The earliest changes by standard radiography are blurring of the cortical margins of the subchondral bone, followed by... | 10,725 | medmcqa_train |
Which of the following potentially represents the most dangerous situation? | * Rh-ve mother with 2nd Rh+ve child can result in the development of hemolytic disease of newborn or erythroblastosis fetalis. So, it is a dangerous condition. * This condition is a type II hypersensitivity reaction. * This is Not to be confused with Hemorrhagic disease of the newborn which is a coagulation disturbance... | 10,726 | medmcqa_train |
All of the following activities of Junior Red cross except - | It gives an oppounity to lakhs of boys and girls all over India to be associated with activities like the village uplift,first aid,anti epidemic work and building up of an international fraternity of youth thus promoting international friendliness understanding and cooperation (refer pgno:925 park 23rd edition) | 10,727 | medmcqa_train |
Which of the following is not true about otosclerosis? | Ans: B (Eustachian tube is always abnormal) Ref: Diseases of the Ear, Nose, and Throat by PL Dhingra 5th edn.2010. P. 98 Explanation: Eustachian tube function is normal in otosclerosis. Otosclerosis Irregular spongy bone replaces the dense endochondral layer of the bony labyrinth. Hereditary. Associated with Van der ho... | 10,728 | medmcqa_train |
Vitamin K is involved in the action of the following proteins except | Vitamin K dependent factors are Factors II, VII, IX, X, Protein C and S Ref: Ganong 25th ed/page 566 | 10,729 | medmcqa_train |
Berkesonian bias is a selection bias which occurs in- | .bias is any systematic error in the determination of the association between the exposure and disease.the relative risk may increase or decreaseas a result of the bias,it reflects some type of non comparability between the study and control groups.berkensonian bias,named after Joseph Berkenson.this bias arises because... | 10,730 | medmcqa_train |
Primary ketone body | Acetoacetate is the primary ketone body while beta-hydroxybutyrate and acetone are secondary ketone bodies. They are synthesised exclusively by the liver mitochondriaRef: DM Vasudevan - Textbook of Biochemistry, 6th edition, page no: 143 | 10,731 | medmcqa_train |
The nasopharynx is visualised in OPD by: | (c) Both PNS (postnasal space) mirror and tongue depressor(Ref. Scott Brown, Vol 3; 98)To examine nasopharynx or post nasal space in OPD, posterior rhinoscopy is done.Here the tongue is depressed using a tongue depressor and then the PNS mirror is passed behind the uvula. The glass surface of the PNS mirror is pre warm... | 10,732 | medmcqa_train |
Injury that comes under sec 320 IPC - | Sec 320 IPC defines grievous hurt and among the given options, only b (fracture) is grievous injury. | 10,733 | medmcqa_train |
Which one of the following is not a feature of clear cell carcinoma of the kidney? | * Clear cell carcinoma arises from Proximal Convoluted Tubule * Most common ,associated with VHL gene mutation, invade the renal vein& bony secondaries. * Clinical features : -Hematuria -Palpable mass -Costoveebral pain -Fever/ weight loss/malaise * It is not a childhood tumor. | 10,734 | medmcqa_train |
A neonate had suffered from a teratogenic insult during embryonic growth that has affected the mesencephalic pa of his developing neural tube. In the presented cast of his ventricular system (left lateral view), which of the following areas might have suffered | The cerebral aqueduct (D) is the cavity of the midbrain that develops from the mesencephalon. The lateral ventricle (A) is the cavity of telencephalon and the third ventricle (C) is the cavity of diencephalon. The interventricular foramen of Monro (B) serves as the communication between the two. The fouh ventricle (E) ... | 10,735 | medmcqa_train |
A patient needs antibiotic treatment for Aificial valve, culture positive infective entercoccal endocarditis. His medical history include several anaphylactic reaction to penicillin G during the past year. The best approach would be treatment with | Ref-KDT 6/e 732 * Severe allergy to penicillins rule out the use of amoxicillin and cefazolin. * Vancomycin is highly effective against MRSA and enterococcal intections. * Drugs for VRSA and VRE (Vancomvcin Resistant enterococcus faecalis) include linezolid and daptomycin. | 10,736 | medmcqa_train |
Hypersensitivity angiitis is seen in? | Cutaneous small-vessel vasculitis (also known as “Cutaneous leukocytoclastic angiitis and “Hypersensitivity angiitis”) is an inflammation of small blood vessels characterized clinically by palpable purpura.
Subtypes of Small-Vessel Vasculitis Include:
• Henoch-Schonlein purpura
• Acute hemorrhagic edema of infancy
• Ur... | 10,737 | medmcqa_train |
Marfan's syndrome has which of the following prominent eye defects? | Marfan's syndrome is characterized by ectopia lentis (superior-temporal) 80% and megalocornea 15% in the eye. Ref: A.K KHURANA (2005), Chapter 8, "Disease of The Lens", In the book, "Opthalmology", 3rd Edition, Newdelhi, Page 210 | 10,738 | medmcqa_train |
Which of the following is cardio protective? | Cardioprotective: HDL It is synthesized and secreted by liver cells. It has maximum phospholipids. It takes cholesterol from periphery to liver, also known as reverse cholesterol transpo. HDL conves this cholesterol into cholesterol ester with the help of enzyme LCAT-Lecithin Cholesterol Acyl Transferase. Removes chole... | 10,739 | medmcqa_train |
Introns are exised by | Introns are excised by RNA splicing by Sn-RNAs/Snurp. | 10,740 | medmcqa_train |
All are true regarding Normal distribution curve except | NORMAL DISTRIBUTION The normal distribution or 'normal curve' is an impoant concept in statistical theory. Let us suppose, we collect the haemoglobin values of a very large number of people and make a frequency distribution with narrow class intervals, we are likely to get a smooth, symmetrical curve. Such a curve is c... | 10,741 | medmcqa_train |
Which one of the following disinfectant is effective in killing spores - | Halogens are potent bactericidal, fungicidal, sporicidal, tuberculocidal, and virucidal. Others are given are only slowly effective against spores. Park's textbook of preventive and social medicine.K Park. Edition 23.Pg no: 128 | 10,742 | medmcqa_train |
Incidental finding in CT scan, a 3 cm adrenal mass, which of the following is not done? | Nonoperative therapy, with close periodic follow-up, is advised for lesions <4 cm in diameter with benign imaging characteristics, whereas adrenalectomy is recommended for lesions >=4 cm in size due to the increased risk of cancer. | 10,743 | medmcqa_train |
Trabecular (conventional) outflow of aqueous humour accounts for: | Ans. 90 percent | 10,744 | medmcqa_train |
False about Echinococcus granulosus is | Hydatid fluid is Secreted by Endocyst also called as Germinal epithelium. | 10,745 | medmcqa_train |
In humans, nails grow at an average rate of ______ a month: | In humans, nails grow at an average rate of 3 mm (0.12 in) a month. Fingernails require three to six months to regrow completely, and toenails require twelve to eighteen months. Actual growth rate is dependent upon age, sex, season, exercise level, diet, and hereditary factors. Nails grow faster in the summer than they... | 10,746 | medmcqa_train |
About Myocardial Oxygen Consumption true is: | D i.e. Directly propoional to mean aerial pressure- Myocardial O2 demand/ consumption is primarly determined by hea rate, contractility of myocardium (or ventricles) (i.e. inotropy), intramyocardial wall tension (which is directly propoional to after load or intra cavitatory pressure and preload or ventricular radius a... | 10,747 | medmcqa_train |
Renal angle lies between - | The angle between the lower border of 12th rib and the outer border of erector spinae (sacrospinalis) is known as a renal angle. | 10,748 | medmcqa_train |
MC congenital abnormality of uterus is : | Septate Sorry for this one friends, 2 very reliable textbooks quote different incidences of different malformations. Anomaly r Per cent Anomaly Per cent' * Bicornuate uterus 37% * Septate uterus 35% * Arcuate uterus 15%. * Bicornuate uterus 26% I * Incomplete septum 13%' * Arcuate uterus 18% * Uterus didelphys 11% * Un... | 10,749 | medmcqa_train |
White-coat hypeension is an example of : | The patient's elevated blood pressure in the doctor's office is the conditioned (learned) response. This response results from an association that has been made by classical conditioning between the doctor and/or his white coat (conditioned stimulus) and something negative in the patient's past (unconditioned stimulus)... | 10,750 | medmcqa_train |
The heme prosthetic group is found in | Myoglobin is a monomeric protein that acts as a secondary oxygen transporter and binder in the muscle tissues.
Furthermore, the tertiary feature of myoglobin resembles water-soluble globule protein characteristics.
The diffusion and use of oxygen in the muscles are necessary for the bodily system processes such as re... | 10,751 | medmcqa_train |
The earliest diagnostic test of pregnancy : | Beta HCG | 10,752 | medmcqa_train |
Which sensitizes the myocardium to catecholamines | Halothane-catecholamine sensitization also promotes abnormal automaticity of dominant and latent atrial pacemakers. These effects may produce premature ventricular contractions and arrhythmias originating from the His bundle. Intact sinoatrial node function reduces the incidence of epinephrine induced ventricular escap... | 10,753 | medmcqa_train |
Dystocia dystrophia syndrome is seen in | Dystocia dystrophia syndrome
Charecteristic appearence
Short
Stalky
Subfertile
Masculine hair distribution
History of delayed menarche
Has android pelvis | 10,754 | medmcqa_train |
Carpel tunnel syndrome is caused by all except | Ref - Researchgate.net | 10,755 | medmcqa_train |
A 25 year old female comes to OPD with history of spots, red bumps that are located principally on the proximal cheeks, central chin, nose and central forehead. It gets aggravated on sun exposure. On examination, telangiectasia is seen on cheeks. What is the most probable cause ? | The given clinical scenario is of Rosacea as it gets aggravated on exposure to sunlight, redness seen on face convexities and telangiectasia Rosacea has 4 subtypes : Subtype 1: Erythematotelangiectatic rosacea (ETTR). Subtype 2: Papulopustular rosacea (PPR). Subtype 3: Phymatous rosacea (PR). Subtype 4: Ocular rosacea ... | 10,756 | medmcqa_train |
Hypogonadism in cirrhosis is due to ? | Ans. is 'a' i.e., Direct effect of alcohol on testes ; 'b' i.e., Increased estrogen due to decreased catabolism; 'c' i.e., Increased peripheral conversion of androgens into estrogeno The testicular atrophy is due to disorder of hormonal metabolism or direct toxic effect on testis.o In cirrhosis of liver a combined test... | 10,757 | medmcqa_train |
Pseudo Cushing's syndrome is seen in? | Ans. D. All of the abovePseudo Cushing's syndrome:a. Some patient resemble like Cushing's syndrome (Pseudo Cushing syndrome).b. These are patient with obesity, chronic alcoholism, depression and acute illness of any type. | 10,758 | medmcqa_train |
Pupil in acute attack of Anterior Uveitis is –a) Semi Dilatedb) Large and fixedc) Irregular & constrictedd) Constricted & sluggish reacting | There is a narrowing of the pupil (miosis) due to irritation of sphincter pupillae by toxins. Iris edema and engorged radial vessels of iris also contribute to making the pupil narrow.
The shape of pupil becomes irregular due to segmental posterior synechiae.
The papillary reaction becomes sluggish or may even be absen... | 10,759 | medmcqa_train |
Shrinking lung syndrome is seen most commonly in - | Ans. is 'a' SLE Shrinking Lung syndrome* First described by Hoffbrand and beck in 1965.* It manifests as dysnea and is best characterized as diaphragmatic dysfunction leading to diminished lung volumes.* Radiographic evaluation shows diaphragmatic elevation with bibasilar atelectasis - in the absence of parenchymal lun... | 10,760 | medmcqa_train |
A child presents with recurrent respiratory tract infection, mouth breathing and decreased hearing. Treatment is: | Child is presenting with mouth breathing. Palate is high arched.There is nasal obstruction and recurrent respiratory tract infections along with hearing impairment. All these features are suggestive of adenoid hyperplasia. In case of adenoid hyperplasia, impairment of hearing is due to secretory otitis. Thus the logica... | 10,761 | medmcqa_train |
All are major cytokines in chronic inflammation except | Ans. (a) IL-6(Ref: Fundamental immunology by William E Paubl 1030, Koj -chapter 3; Refer to Ans 69)Il6 IS INVOLVED IN ACUTE FRBRILE RESPONSES Others are involved in chronic inflammation | 10,762 | medmcqa_train |
Olopatadine is: | Ref: Clinical Oculor Pharmacology, 1st ed. pg. 257* Olopatadine hydrochloride is an antihistamine (as well as anticholinergic and mast cell stabilizer)* It is used as eye drop to treat itching associated with allergic conjunctivitis.* Side effects include headache, eye burning and/or stinging, blurred vision, dry eyes,... | 10,763 | medmcqa_train |
Ketone body formation takes place in: | A Harper, 26th ed, p. 183 & 25th ed, p. 243, Fig (24.6) | 10,764 | medmcqa_train |
Purposeful movement is staed at | Palmer grasp goes at age of 4 monthTransfer object hand to hand 5.5 monthThe purposeful movement staed when there is an absence of Palmer group, so an above option best answer is 6 month(Refer: Nelson's Textbook of Pediatrics, SAE, 1st edition, pg no. 2798) | 10,765 | medmcqa_train |
Which of the following structures form the superior border of Epiploic foramen ? | In human anatomy, the omental foramen (Epiploic foramen, foramen of Winslow, or uncommonly aditus) is the passage of communication or foramen, between the greater sac (general cavity of the abdomen) and the lesser sac.Borders of Epiploic foramen: It has the following boundaries:Anteriorly : free border of lesser omentu... | 10,766 | medmcqa_train |
Antidote for organophosphorus poisoning is - | Antidotes for OP compounds : (1) atropine (2) oximes (Pralidoxime : PAM, obidoxime and diacetylmonoxirne : DAM). | 10,767 | medmcqa_train |
EBV is associated with which type of cancer? | Epstein-barr virus may lead to the following clinical conditions:* Infectious mononucleosis* Epstein-barr virus associated malignancies: - Burkitt's lymphoma - Lymphomas in immunodeficient person such as those with AIDS and transplant recipients - Nasopharyngeal carcinoma in persons of Chinese origin. | 10,768 | medmcqa_train |
Hyperaldosteronism is associated with all, EXCEPT: | Primary hyperaldosteronism causes extracellular volume expansion and hypeension by increasing distal sodium reabsorption. Aldosterone increases H+ and K+ excretion, producing metabolic alkalosis and hypokalemia. Therapy for saline-unresponsive metabolic alkalosis includes surgical removal of a mineralocoicoid-producing... | 10,769 | medmcqa_train |
A 28-year-old patient has multiple grouped papulovesicular lesions on both elbows, knees buttocks and upper back associated with severe itching. The most likely diagnosis is – | Look for itching → Severe itching
Papulovesicular lesion
On extensors (knees, elbows), scapular region (upper back), buttock.
Age → 28 years | 10,770 | medmcqa_train |
Tongue muscle which is not developed from occipital myotome ? | DEVELOPMENT OF THE TONGUE :? I. Epithelium a) Ant 2/3 -- lingual swellings of 1st arch and tuberculum impar b) Post 1/3 -- large dorsal pa of hypobranchial eminence, Le. 3rd arch c) Posterior most pa -- small dorsal pa of the hypobranchial eminence, i.e. 4th arch II. Muscles From occipital myotomes except palatoglossus... | 10,771 | medmcqa_train |
Sodomy is punishable under:NEET 14 | Ans. Sec. 377 IPC | 10,772 | medmcqa_train |
The drug of choice for the treatment of Thyrotoxicosis during pregnancy is | (C) Propyl Thiouracil # All antithyroid drugs can cross placenta so risk of fetal hypothyroidism and goitre is always there.> Both carbimazole and propylthiourcil can be used during pregnancy, but propyl-thiouracil is the drug of choice because its greater protein binding allows low doses of propylthioracil to be trans... | 10,773 | medmcqa_train |
A 47-year-old man is found to have edema, ascites, and hepatosplenomegaly. The examination of his neck veins reveals elevated venous pressure with a deep y descent. Heart size on x-ray is normal. Which of the following etiologies is not a possible explanation for this syndrome? | Commonly, no cause is found for constrictive pericarditis. Some patients do give a history of previous acute pericarditis. TB is now an uncommon cause. Cancer can cause constriction but is uncommon. Rheumatic fever does not cause pericarditis. | 10,774 | medmcqa_train |
In sickle cell anaemia defect is in which chain ? | Ans. is 'b' i.e., n-chain | 10,775 | medmcqa_train |
Waddling gait due to: March 2009 | Ans. A: Bilateral congenital dysplasia of hip A waddling gait is the style of walking that is seen in a patient with proximal myopathy. It is characterised by: A broad-based gait with a duck-like waddle to the swing phase The pelvis drops to the side of the leg being raised Forward curvature of the lumbar spine Marked ... | 10,776 | medmcqa_train |
Treatment of Advanced Proliferative Diabetic Retinopathy with extensive vitreoretinal fibrosis and fractional retinal detachment involves all of the following, EXCEPT: | There is no role of Exophotocoagulation in the management of advanced proliferative diabetic retinopathy with complications such as fractional RD and extensive vitreoretinal fibrosis. Endophotocoagulation may be used in conjunction with vitrectomy. Ref: Oxford Textbook of Medicine 4th /350; Current Geriatric Diagnosis ... | 10,777 | medmcqa_train |
All of the following are H2 blockers except ? | Ans. is `d' i.e., Omeprazole Drugs for peptic ulcer 1. Reduce gastric acid secretion a) H2 antihistaminic - Cimetidine, Ranitidine, Famotidine, Roxatidine. b) Proton pump inhibitors - Omeprazole, Lansoprazole, Pantoprazole, Rabeprazole, Esomeprazole. c) Anticholinergics - Pirenzepine, propantheline, oxyphenonium. d) Pr... | 10,778 | medmcqa_train |
Activation of which receptor causes pulmonary vasoconstriction? | Activation of ETA receptor causes pulmonary vasoconstriction. These are endothelin receptors.Ref: Ganong review of medical physiology, 23rd edition Page no: 609 | 10,779 | medmcqa_train |
Shock lung synonym is used for | Ans. C. ARDSShock Lung/ARDS is a clinical syndrome caused by diffuse alveolar capillary and epithelial damage. There is usually rapid onset of life-threatening respiratory insufficiency, cyanosis, and severe arterial hypoxemia that is refractory to oxygen therapy and that may progress to multisystem organ failure. The ... | 10,780 | medmcqa_train |
The commonest cause of Enuresis in children is - | Ans. is None o Genetic factors are the most common etiology for enuresis. Nelson o Beyond genetic factors, the cause of enuresis likely involves a complex web of physiologic and perhaps psychologic factors. | 10,781 | medmcqa_train |
Trans-tubular potassium gradient (T.T.K.G) in hypokalemia is? | The expected values of the Trans-tubular potassium gradient (T.T.K.G) are <3-4 in the presence of hypokalemia and >6-7 in the presence of hyperkalemia. TTKG is measured as follows: | 10,782 | medmcqa_train |
Which of the following investigation would be diagnostic of cystic fibrosis? | A sweat test measures the amount of chloride, a pa of salt, in Sweat. It is used to diagnose cystic fibrosis (CF). People with CF have a high level of chloride in their sweat. CF is a disease that causes mucus build-up in the lungs and other organs. It damages the lungs and makes it hard to breathe Ref Davidson 23rd ed... | 10,783 | medmcqa_train |
Intention tremor is characteristic of :- | Intention tremor is seen in cerebellar lesions and “pill-rolling” tremors at rest is typical of Parkinson’s disease. | 10,784 | medmcqa_train |
Site of lesion in Bitemporal hemianopia is ? | Ans. is 'c' i.e., Optic chiasma Characteristic defect of central chiasmatic lesion is bitemporal hemianopia. This question has been asked in almost all the examinations. Site oflesion Visual field defect Optic nerveOptic chiasmaOptic tractLateral geniculate bodYOptic radiation (Total)Optic radiation lower fibres (tempo... | 10,785 | medmcqa_train |
Patient of Rectovaginal fistula should be initially treated with | Recto-Vaginal Fistula Management Preliminary colostomy is done Local repair after 3 weeks Closure of colostomy after 3weeks Ref: D.C.DUTTA&;S TEXTBOOK OF GYNAECOLOGY; 6th edition; Pg no:428 | 10,786 | medmcqa_train |
Turban epiglottis is seen in | Turban epiglottis is due to oedema and infiltration of the epiglottis and is caused by laryngeal tuberculosis. Lupus: a form of tuberculosis, on the other hand, eats away and destroys the epiglottis. Pseudoedema of the epiglottis is known as "turban epiglottis". Ref: PL Dhingra 7th edition of Ear, Nose and Throat; Pg n... | 10,787 | medmcqa_train |
Arthritis mutilans is due to: | Ans: a (Psoriatic arthritis) Ref: Harrison's, 16th ed,p. 1998; 17th ed, p. 2115Arthritis mutilans is due to psoriatic arthritis. Psoriatic arthritis involves PIP, DIP and metacarpopha- langeal joints and may or may not involve the wrist.Psoriatic arthritis can present with a wide spectrum of clinical features namely:1)... | 10,788 | medmcqa_train |
NOT a complication of massive blood transfusion: March 2013 (d) | Ans. C i.e. Hypehermia Hypothermia is seen and hence blood should be warmed before infusion | 10,789 | medmcqa_train |
A 50-year-old male presented with signs and symptoms of restrictive hea disease. A right ventricular endomyocardial biopsy revealed deposition of extracellular eosinophilic hyaline material. On transmission electron microscopy, this material is most likely to reveal the presence of | Amyloidosis is the major cause of restrictive cardiomyopathyCardiac amyloid is classically suspected from thickened ventricular walls with an ECG that shows low voltage.By electron microscopy, all types of amyloid consist of continuous, nonbranching fibrils with a diameter of approximately 7.5 to 10 nm. X-ray crystallo... | 10,790 | medmcqa_train |
Prevalence of vitamin-A deficiency in a community is assessed as the following: | Prevalence criteria for determining the xerophthalmia problem: Criteria Prevalence in population at risk (6 months to 6 years) Nightblindness More than 1% Bitot's spots More than 0.5% Corneal xerosis/corneal ulceration/ keratomalacia More than 0.01% Corneal ulcer More than 0.05% Serum retinol (less than 10 mcg/dl) More... | 10,791 | medmcqa_train |
In the Post-disaster phase, all of the following vaccines are mandatory for doctors except:- | Vaccines C/I for population:- Cholera Typhoid Tetanus Other vaccines are relatively CI Vaccines mandatory for Doctors/health providers:- Cholera Typhoid Tetanus | 10,792 | medmcqa_train |
Bence Jones proteinuria is found on a urinalysis specimen from a 63 year old woman. She is developing chronic renal failure and has a high serum urea nitrogen and creatinine. A radiograph of the veebral column demonstrates multiple 1 to 2 cm rounded areas of decreased bone density. The pathological examination from a r... | Multiple myeloma is one of the most common causes for amyloidosis that leads to renal failure. The plasma cells secrete light chains and produce the proteinuria as well as the amyloid. | 10,793 | medmcqa_train |
True statements regarding vancomycin uses are all of the following except: September 2009 | Ans. B: Drug of choice for pseudomembranous enterocolitis Vancomycin is used in Proven methicillin-resistant (MR) Staph. aureus (S.A.) or coagulase-negative Staphylococcal infections Serious infections where coagulase-negative Staphylococci is highly suspected (e.g., central line, prosthesis, sternotomy, etc). Endocard... | 10,794 | medmcqa_train |
After a single episode of painless gross hematuria in a boy. Doctor performed an excretory urogram showing a filling defect towards the lower renal infundibulum 1.5 cm. in size. What will be the next investigation to be done ? | Ans. is 'c' ie USG There can be various reason for a filling defect on IVP - stones, mass, cyst etc. They can be very well be diagnosed by USG. | 10,795 | medmcqa_train |
A 60-year-old female presents with epigastric pain, nausea and vomiting, hea rate of 50, and pronounced first-degree AV block on ER cardiac monitor. Blood pressure is 130/80. The coronary aery most likely to be involved in this process is the | (Fuster, 10/e, pp 52, 88.) The right coronary aery supplies most of the inferior myocardium and supplies the AV node in over 70% of patients. Thus occlusion of this aery can cause ischemia of the AV node with AV block or bradycardia, as well as symptoms of an inferior MI as seen in this patient. AV block can occur with... | 10,796 | medmcqa_train |
All are true except? | Ans. B. DNA viruses: Adenovirus, Human papilloma virus, Parvovirus B-19, BK and LC polyomavirus, Polio virus.1. DNA viruses* Parvo viridae (ss DNA) (NE)* Adeno viridae (NE)* Papovaviridae (NE)* Hepadnaviridae (E)* Herpes viridae (E) (1-8)* Pox viridae (E)2. RNA Viruses* Picornaviridae* Rhabdoviridae* Orthomyxoviridae* ... | 10,797 | medmcqa_train |
WHO Rose Questionnaire is used for - | Ans. is 'b' i.e., Angina AssessmentThe London school of Hygjne chest pain questionnaire-The Rose questionaire (version for self administration)PARTAa)Have you ever had any pain or discomfort in your chest# Yes# Nob) Do you get this pain or discomfort when you walk uphill or hurry?# Yes# Noc) Do you get it when you walk... | 10,798 | medmcqa_train |
Most common mechanism of transfer resistance in Staphylococcus aureus is: | Ans.is. b i.e.' Transduction | 10,799 | medmcqa_train |
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