query stringlengths 1 1.57k | pos stringlengths 1 22.5k | idx int64 0 161k | task_name stringclasses 1
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A 33-year-old man presented with a slowly progressive swelling in the middle l/3rd of his right tibia. X-rays examination revealed multiple sharply demarcated radiolucent lesions separated by areas of dense and sclerotic bone. Microscopic examination of a biopsy specimen revealed island of epithelial cells in a fibrous... | Ans- A Adamantinoma Adamantinoma characteristically presents in the tibial diaphysis of a middle aged person with mild to moderate discomfort, islands of epithelial cells in a fibrous stroma (hall mark) histologically, and bubbly bone destruction (radiolucent lesions separated by dense sclerotic bone) radiologically. A... | 153,500 | medmcqa_train |
False regarding Cytochrome P-450 enzymes : | cytochrome P450 a microsomal enzyme is a hemoprotein, which serves as the terminal oxidase. The name cytochrome P450 (abbreted as P450 or CYP ) is derived from the spectral propeies of this hemoprotein. In its reduced (ferrous) form, it binds carbon monoxide to give a complex that absorbs light maximally at 450 nm. The... | 153,501 | medmcqa_train |
(Incidence of disease among exposed - incidence among non-exposed) x 1000 / (Incidence among exposed) gives the value of- | Ans. is 'b' i.e. Attributable risk * Odds ratio is a measure of the strength of the association between risk factor & outcome. Diseased Not Diseased Exposed A B Not Exposed C D Odds ratio = AD/BC Relative risk = (Incidence of disease among exposed) x 1000 / (Incidence of disease among non-exposed) Attributable risk = (... | 153,502 | medmcqa_train |
The earliest hematologic manifestation of megaloblastic anemia is | Microcytic anemiaMacrocytic anemiaSideroblastic anemiaIron deficiency anemiaThalassemiaAnemia of chronic disease Liver disease Hypothyroidism Folic acid & vitamin B12 deficiency Cytotoxic drugs Megaloblastic anemiaTriad - Oval macrocyte , Howel Jolly bodies , Hypersegmented neutrophilsBone marrow - hypercellular bone m... | 153,503 | medmcqa_train |
Mutton for keratic precipitate and Busacca's nodules is seen in: | Ans. Granulomatous uveitis | 153,504 | medmcqa_train |
Early mediators of allergic rhinitis are -a) Leukotrieneb) IL-4c) IL-5d) Bradykinine) PAF | Allergic rhinitis is Type 1 hypersensitivity reaction | 153,505 | medmcqa_train |
What is the most likely cause of this finding in a man from Mexico who had a biopsy showing gram-negative bacilli? | Answer A. Klebsiella rhinoscleromatisRhinoscleroma is a chronic bacterial infection that is typically caused by the gram-negative bacillus K. rhinoscleromatis. | 153,506 | medmcqa_train |
Human papillomavirus is most commonly associated with | Papillomavirus infects the skin or mucosa and causes benign tumors. The lesion is termed condyloma acuminatum. These tumors may undergo malignant conversion and become squamous cell carcinomas. Classification of the human papillomavirus is done by DNA hybridization, and to date 46 types have been recognized. Some types... | 153,507 | medmcqa_train |
Transcription is the process of - | Ans. is 'c' i.e., Synthesis of RNA o DNA stores genetic information Information about amino acid sequence of all the proteins is present in the form of genes in DNA.o The entire genetic material present in the DNA of an organism is known as genome.o The important role of DNA in transfer of information in living cells i... | 153,508 | medmcqa_train |
Epiphyseal dysgenesis is a feature of- | Epiphyseal dysgenesis means fragmented/punctate epiphysis.
Epiphyseal dysgenesis is characteristic of hypothyroidism. | 153,509 | medmcqa_train |
The following lesion was noticed in a patient with history of involuntary weight loss. What is the diagnosis? | The image shows presence of asymmetric, velvety hyperpigmentation at the back of the neck of the patient suggestive of diagnosis of acanthosis nigricans. It is seen in patients with impaired glucose tolerance and internal malignancy. Choice B is seen in patients with internal malignancy and but has multiple pigmented s... | 153,510 | medmcqa_train |
In myasthenia gravis the neuromuscular junctions contain deposits of | Antibodies to the acetylcholine receptor can be demonstrated in the serum of most patients with myasthenia gravis. This immunoglobulinsare deposited at the neuromuscular junction and can be demonstrated immunohistochemically in muscle biopsies. Ref - Harrison's internal medicine 20e pg 3232 | 153,511 | medmcqa_train |
When one drug decreases or inhibits the action of other it is called- | Ans. is 'a' i.e., Antagonism Antagonismo When one drug decreases or inhibits the action of other.o Effect of drugs A + B < effect of drug A + effect of drug B.o Antagonism may be :PhysicalBased on physical property'ChemicalThe two drugs react chemically and form an inactive product.Physiological,functionalThe two drugs... | 153,512 | medmcqa_train |
Best investigation to detect rupture of breast implant is | Linguine sign is seen in ruptured breast implant. | 153,513 | medmcqa_train |
Hypocalcemia in immediate post-op period following excision of parathyroid adenoma is due to | Hypocalcemia in immediate post-op period following excision of parathyroid adenoma is due to increased uptake by bones. It is known as Hungry Bone Syndrome | 153,514 | medmcqa_train |
Gelle test is used for | Gelle&;s test is performed by placing a vibrating fork on the mastoid while changes in air pressure in the ear canal are brought about by Siegle&;s speculum. The test is positive in otosclerosis.Ref: Hazarika; 3rd ed; Pg 179 | 153,515 | medmcqa_train |
Optimum minute ventilation is ensured by adjusting the following ventilation parameters | Minute ventilation is tidal volume multiplied by respiratory rate.so these parameters must be adjusted to maintain optimum ventilation. | 153,516 | medmcqa_train |
In Recurrent Chalazion histopathological examination is done to rule out | (Sebaceous cell carcinoma): (430- Nema 6th edition/457-Parson 21st)CHALAZION* Malignant changes occur but rare, However in all cases with recurrences or those occurring in elderly individuals the lesion should be biopsied to rule out a meibomian cell carcinoma. (444- Parson 21st/ed)* A recurring chalazion, histopatholo... | 153,517 | medmcqa_train |
All are common sites of a berry aneurysm, EXCEPT- | Location of Berry aneurysms Berry aneurysms commonly arise at the bifurcation of major aeries. Approximately 85% of intracranial aneurysms arise on the anterior circulation, mostly on the circle of Willis. Three most common locations are: the terminal internal carotid aery middle cerebral aery bifurcation top of the ba... | 153,518 | medmcqa_train |
Anticipation is seen in - | Ans. is 'c' i.e., Trinucleotide-repeat expansion Anticipation o Anticipation is a phenomenon where by the symptoms of a genetic disorders become apparent at an earlier age as it is passed to next generation. In most cases, an increased severity of symptoms is also noted. In triplet nucleotide repeat mutation, the DNA f... | 153,519 | medmcqa_train |
Which of the following has least GI toxicity ? | Ans. is 'c' i.e., Paracetamol o Paracetamol is one of the safest NSAIDs. It produces very little GI toxicity and can be administered in patients intolerant to other NSAIDs. | 153,520 | medmcqa_train |
Maggots in nasal cavity are most commonly treated by- | Chloroform water or vapor must be instilled in order to anaesthetize or kill the maggots and so release their grip from the skin. | 153,521 | medmcqa_train |
Which is not a cause for Hamarlopia? | Peripheral coical cataract causes Nyctalopia. Central vitreous opacity, Congenital deficiency of cones and Central nuclear or polar cataracts can cause Hamarlopia (Day blindness). Ref: A K Khurana, 2nd Edition, Page 11. | 153,522 | medmcqa_train |
Which of the following function is done by RNAi in a gene? | Ans. (c) Knock down(Ref: Robbins 9th/pg 3-4)Small interfering RNAs (siRNAs)*Short RNA sequences introduced experimentally into cells*Their action is similar to endogenous miRNAs.*Synthetic siRNAs targeted against specific mRNA have become useful laboratory tools to study gene function (so-called "knockdown technology") | 153,523 | medmcqa_train |
20 permanent teeth and 8 temporary teeth are seen at the age of : | A i.e. 10 years | 153,524 | medmcqa_train |
Opioid antagonist that can be given orally – | Amongst opioid antagonists :- Naloxone is given iv or im, Nalmefene is given iv, im or sc, and Naltrexone is given orally. | 153,525 | medmcqa_train |
A 3year old boy presented with recurrent attacks of pneumonia and otitis media since 1st bihday. Diagnosis is X-linked agammaglobulinemia and most likely offending organism is | X-LINKED AGAMMAGLOBULINEMIAPatients with X-linked agammaglobulinemia (XLA), or Bruton agammaglobulinemia, have a profound defect in B-lymphocyte development resulting in severe hypogammaglobulinemia, an absence of circulating B cells, small to absent tonsils, and no palpable lymph nodes.Clinical ManifestationsMost boys... | 153,526 | medmcqa_train |
The most common cyst of the oral region is - | Ans. (d) Periapical cystRef: Scott-Browns Otorhinolaryngology 7/e p 1924-1925Periapical Cyst (Radicular Cyst)* MC type of Jaw cyst* Inflammatory origin* Found at the apex of teeth.* Result in long standing Pulpitis.* Removal of irritant material and tooth extraction. | 153,527 | medmcqa_train |
Which of the following is true regarding weakness in myasthenia gravis? | Myasthenia gravis (MG) is a neuromuscular junction (NMJ) disorder characterized by weakness and fatigability of skeletal muscles. The underlying defect is a decrease in the number of available acetylcholine receptors (AChRs) at NMJs due to an antibody-mediated autoimmune attack. If weakness remains restricted to the EO... | 153,528 | medmcqa_train |
Mc Murray's osteotomy is done for- | *Mc Murray's osteotomy and Meyer's procedure (muscle pedicle graft) are used for non-union transcervical neck fracture of femur. INDICATIONS: 1. Nonunion of femoral neck 2. Advanced osteoahritis . PREOPERATIVE PLANNING : Determination of the size of the bone wedge to be removed, the position of the seating chisel which... | 153,529 | medmcqa_train |
Pelvic Inflammatory Disease occurs least common with : | Ans. is b i.e. Condom Barrier methods (especially condom) and OCP's both protect against PID, but the protection offered by OCP's is less than that by Barrier method. "The incidence of pelvic inflammatory disease (P1D) is reduced. though it does not reach the same low level as seen with the barrier methods." As far as ... | 153,530 | medmcqa_train |
Which of the following investigation is the BEST method of diagnosis of HIV in childhood? | The two tests used for diagnosing HIV infection in in children less than 18 months are detection of HIV nucleic acid (DNA or RNA) AND detection of HIV p24 antigen. Definitive diagnosis requires presence of reactive tests on two separate determinations using one of the above tests after 4 or 6 weeks and confirmed by the... | 153,531 | medmcqa_train |
Active replication in Hepatitis B in fection is indicated by - | Circulating HBeAg Indicate of active intrahepatic replication REF:MICROBIOLOGY ANANTHA NARAYANAN NINTH EDITION PAGE.547 | 153,532 | medmcqa_train |
Which of the following types of bias can be reduced by by allowing equal interview time- | Interviewer's bias Occur when interviewer knows the hypothesis and know who the cases are. This type of bias can be eliminated by double-blinding. (refer pgno:74 park 23 rd edition) | 153,533 | medmcqa_train |
The most common site of hypertensive intracranial hemorrhage is: | Ans. (a) Putamen* Basal Ganglia (Putamen) is the MC site of ICH.* Of all the hemorrhages in Brain - Intracerebral hemorrhage is the MC type of hemorrhage.* The MC cause of Intracranial bleed - Hypertension | 153,534 | medmcqa_train |
The percentage of water in Liquor Amnii is: | 99% | 153,535 | medmcqa_train |
Optic cup is derived from ? | Ans. is 'a' i.e., Neural ectoderm | 153,536 | medmcqa_train |
Which among the following about removable space maintainers are wrong? | The compliance of the removable appliance doesn’t improve with functional or non-functional type. | 153,537 | medmcqa_train |
Which of the following is a synthetic estrogen ? | Ans. is 'd' i.e., DiethylstibestrolEstrogeno Ethinylestradiolo Diethylstibestrolo Mestranolo Hexestrolo Tiboloneo Dienestroi | 153,538 | medmcqa_train |
Hardy Weinberg law is related to | Hardy Weinberg law: states that the genotype frequencies in a population remain constant or are in equilibrium from generation to generation unless specific disturbing influences are introduced.
Genetic equilibrium (HW law) is a basic principle of population genetics; the entire principle is based on Mendelian genetic... | 153,539 | medmcqa_train |
The most sensitive test for the diagnosis of herpes simplex (HSV) meningitis in a newborn infant is | HSV meningitis or encephalitis is difficult to diagnose by laboratory tests as there is a low titer of virus present in the CSF. Neonatal HSV infects the child during the birth process. While culture, Tzanck smear, and even antibody tests may be useful in adults, particularly those with HSV-rich lesions, they are not u... | 153,540 | medmcqa_train |
Embryo proper is derived from which pa of morula: | Approximately 3 days after feilization, cells of the compacted embryo divide again to form a 16-cell morula (mulberry). Inner cells of the morula constitute the inner cell mass, and surrounding cells compose the outer cell mass. The inner cell mass gives rise to tissues of the embryo proper, and the outer cell mass for... | 153,541 | medmcqa_train |
A 63-year-old man is noticed to have asymmetric pupils. He is completely well and has no symptoms. On examination, the left pupil is small, round, and has a brisk response to light and near stimuli (accommodation). There is also ptosis of the left eyelid, but no other ocular movement abnormality or symptoms of double v... | Horner syndrome results in a small, round pupil on one side. Light and near reaction is brisk, and response to mydriatics and miotics is normal. The affected pupil will not dilate in the dark, so darkness accentuates the anisocoria. The syndrome is often idiopathic but can be caused by neoplasm, brain stem stroke, or c... | 153,542 | medmcqa_train |
A 67-year-old man complains of a lesion in his left eye. Physical examination reveals a triangular fold of vascularized conjunctiva growing horizontally into the cornea in the shape of an insect wing. Which of the following terms best describes this patient's lesion? | Pterygium is a fold of vascularized conjunctiva that grows horizontally onto the cornea in the shape of an insect wing (hence the name). It is often associated with a pinguecula (conjunctival lump, choice C) and frequently recurs after excision.Diagnosis: Pterygium | 153,543 | medmcqa_train |
Most reliable marker for hypothyroidism: | Ans. (c) TSHRef : Harrison 19th ed. 12289* Best test for diagnosis of hypothyroidism is T.S.H (Thyroid Stimulating Hormone).* TSH can also be used for monitoring response to treatment. | 153,544 | medmcqa_train |
This eyes sign is most likely seen in which condition: | Ans. B. Lateral medullary syndromea. Above image shows Ptosis of right eye.b. This shows paralysis of IIIrd Nervec. Lateral Medullary syndrome (Wallenberg Syndrome) is a neurologic disorder due to ischemia of lateral part of Medulla d/t involvement of Posterior inferior cerebellar artery (PICA)d. It is characterized by... | 153,545 | medmcqa_train |
All of the following amino acids are conveed to succinyl-CoA, except | Valine, isoleucine, and methionine are conveed to succinyl CoA, whereas histidine is conveed to alpha-ketoglutarate and both are involved in the TCA cycle. | 153,546 | medmcqa_train |
Albers schonberg disease is also known as - | Ans. is 'b' i.e., Osteopetrosis o Osteopetrosis is also known as Marble bone disease or Albers-Schonberg disease.o Paget's disease is known as Osteitis deformans,o Osteogenesis imperfecta is known as Brittle bone disease,o Osteoporosis is known as Fragile bone disease. | 153,547 | medmcqa_train |
In OCP, estrogen is used in | A. i.e. (Ethinyl estradiol) (208 - Shaw 's Nth)COMBINED ORAL PILLS - usually contain a mixture of* Ethinyloestradiol or mestranol (20 to 30|ig)* Active progestogen - 19 morsteroid* Mala D contains -0.5 mg of D- norgestrel*** Mala N contains - 1 mg norethisterone** (Norgestrel 0.30 mg and Ethyl oestradiol 3.0 mg)* Treat... | 153,548 | medmcqa_train |
Blood group antigens belong to the class | For red blood cells, the membrane oligosaccharides that determine the antigenic natures of the ABO substances appear to be mostly present in glycosphingolipids, whereas in secretions the same oligosaccharides are present in glycoproteins. Some examples of conjugated proteins are lipoproteins, glycoproteins, phosphoprot... | 153,549 | medmcqa_train |
Bill's bar divides: | Ans. (b) Facial nerve and superior vestibular cochlear nerveRef: Dhingra's ENT 6th ed.l 90-91* Bills bar divides the superior compartment of the internal acoustic meatus into an anterior and posterior compartment.* Anterior to Bill's bar, are the facial nerve (in the anterior superior quadrant) and nervus intermedius, ... | 153,550 | medmcqa_train |
Contraceptive effect of CuT-380A lasts for how many years? | Ans. (b) 10 yearsShaw 15ih227-8Name of deviceEffective period* CuT 380A10 years* Nova T-Silver5 years* Multiload3755 years* Multiload2503 years | 153,551 | medmcqa_train |
Stereocilia and kinocilium are present in | (B) Inner ear > A kinocilium is a special type of cilium on the apex of hair cells located in the sensory epithelium of the vertebrate inner ear. Stereocilia (or stereovilli) are apical modifications of the cell, which are distinct from cilia and microvilli, but closely related to the latter. They are found in three re... | 153,552 | medmcqa_train |
True about tubercular otitis media are all except | Tubercular otitis media In most of the cases, infection is secondary to pulmonary tuberculosis; infection reaches the middle ear through the eustachian tube. Perforation: Multiple perforations, 2 or 3 in number, are seen in pars tensa and form a classical sign of disease. These may coalesce into a single large perforat... | 153,553 | medmcqa_train |
Which of the following is the most specific screening test for renovascular hypeension: | Answer is A (Magnetic Resonance Angiography (MRA) Magnetic Resonance Angiography (MRA) has now emerged as the most sensitive and specific screening test for Renovascular hypeension. Note: Harrison 16'h edition (old) mentions Spiral CT scan as the most sensitive and specific screening test for Renovascular Hypeension, h... | 153,554 | medmcqa_train |
INR in warfarin therapy is? | ANSWER: (B) 2.5REF: Harrison 18th ed chapter 118For most indications, warfarin is administered in doses that produce a target INR of 2.0- 3.0. An exception is patients with mechanical heart valves, where a target INR of 2.5-3.5 is recommended. Studies in atrial fibrillation demonstrate an increased risk of cardioemboli... | 153,555 | medmcqa_train |
Calculate the osmolarity of a solution which contains 180 gm of glucose per dl, 117 gm of Nacl per dl and 56 gm of BUN per dl- | Ans. is 'd' i.e., 70 osmol/L * One mole of osmotically active particles is called one osmole.* In case of non-dissociated solutes, one gram molecular weight of any substance contain similar number of osmotically active molecules (osmoles), thus a molar solution of glucose contains 1 osmole.* On the other hand, in case ... | 153,556 | medmcqa_train |
Sex worker with discharging ulcer, gram-negative diplococci & growth on modified
Thayer Martin media. Diagnosis | Information in this question are -
i. Gram negative diplococci.
ii. Growth on modified Thayer-Martin media.
Neisseria gonorrhoeae is a gram negative diplococci and Thayer-Martin medium is the selective medium for gonococci. | 153,557 | medmcqa_train |
All of the following are pathological features associated with Crohn's disease except: March 2012 | Ans: D i.e. Toxic megacolonInflammatory bowel diseasePresence of multiple, separate, sharply delineated areas of disease, resulting in skip lesions, is characteristic of Crohn's disease and may help in differentiation from ulcerative colitisNon-caseating granuloma, a hallmark of Crohn disease, are found in approximatel... | 153,558 | medmcqa_train |
Anxiety states can be induced by the following except | (A) Cholecystokinin # SUBSTANCE/DRUG INDUCED ANXIETY DISORDER:> The essential features of substance-induced anxiety disorder are prominent and persistent feelings of anxiety that are judged to be due to the direct physiological effects of intoxication or withdrawal from a substance. Prominent anxiety, Panic Attacks, or... | 153,559 | medmcqa_train |
A 16-yrs-old girl presents with bowel obstruction. Laparotomy reveals markedly enlarged para-aoic lymph nodes. Biopsy of lymph nodes exhibit a diffuse neoplastic infiltrate of small, round lymphocytes with a "starry sky" appearance on low power. The cytoplasm of some of the lymphocytes is vacuolated and fat stains are ... | The patient has Burkitt lymphoma (Lukes-Collins; small non-cleaved), which is the most common malignant lymphoma in children. Approximately one-third of all childhood lymphomas in the United States are of the Burkitt type. There is an American and a Noh American variant. The relationship of Burkitt to the Epstein-Barr ... | 153,560 | medmcqa_train |
Which of the following is TRUE/FALSE about weight loss? a) Psychiatric disorders are a major cause of involuntary weight loss. b) Up to 20% of all cancer deaths are caused directly by cachexia. c) Connective tissue diseases decreases metabolic demand. d) Hypehyroidism in the elderly have more prominent sympathomimetic ... | Connective tissue diseases may increase metabolic demand and disrupt nutritional balance. Hypehyroidism in the elderly may have less prominent sympathomimetic features and may present as "apathetic hypehyroidism" or T3 toxicosis Ref:Harrisons Principles of Internal Medicine, 18th Edition, Pages 642- 44 | 153,561 | medmcqa_train |
In aoic dissection blood enters in - | Ans. is `b' i.e., MediaAoic dissection o Aoic dissection is a catastrophic illness characterized by dissection of blood between and along the laminar planes of aoic media.o Blood enters inside the aerial wall (in the media layer) and leads to formation of blood filled channels within the aoic wall, which often ruptures... | 153,562 | medmcqa_train |
CrPC 26 - | Ans. is 'a' i.e.. Division of offenceo According to Sec 26 of CrPC, 1973, Offences under the Criminal Procedure Code (hereinafter the "CrPC1') are divided into:1. Offences under Indian Penal Code (IPC) (triable by HC, Sessions Court and other court shown in the 1st Schedule to the CrPC)2. Offences under any other law (... | 153,563 | medmcqa_train |
Claw hand is caused by lesion involving which of the following nerves? | Claw hand or "main en griffe", is an abnormal posture of hand with hyperextension at metacarpophlangeal joints (fifth, fouh and to a lesser extent third) and flexion at interphlangeal joints. This results from ulnar nerve leisions above the elbow or injury to the lower pa of brachial plexus, producing wasting and weakn... | 153,564 | medmcqa_train |
Oestrogen causes proliferation of | Oestrogen causes proliferation of glycogen containing superficial cells and progesterone causes proliferation of intermediate cells. | 153,565 | medmcqa_train |
Anterior resection is done for a patient with rectal cancer. Post operatively he presents with pain. Biopsy shows involvement of muscular wall but no penetration. Out of the 13 lymph nodes, one is involved. But the high tide lymph node is not involved. Modified duke stage | Ans. (a) C1Ref Page 1209/ Schwartz 10th editionThough there were lots of named colonic cancer staging used.All are replaced by only TNM staging now.For exam point of view we still read those outdated stagings.DukesACMACDescriptionAAALimited to mucosa, N0 B1B1Penetration into Submucosa, not through Muscularis propria, N... | 153,566 | medmcqa_train |
WHO prognostic score for a high-risk GTN is | Modified World Health Organization Prognostic Scoring System, as Adapted by FIGO, by which women whose score is 0-6 are Considered Low Risk (Requiring Single-Agent Chemotherapy) and score of 7 or more, High Risk (Requiring Multiagent Combination Chemotherapy)Scores0123Age<40>= 40----Antecedent pregnancyMoleAboionTerm--... | 153,567 | medmcqa_train |
A 5 yr old male child presented with H/O recurrent infections. O/E the child has rashes as shown below. Routine blood investigation reveal patient has low platelets. Which of the following diagnosis is possible? | Wiskott Aldrich syndrome Etiopathogenesis: X linked recessive disorder Defect in WASP gene (Chr Xp11) Clinical: Characterized by recurrent infections, eczema like rash & thrombocytopenia Prolonged bleeding from circumcision site Bloody diarrhea Streptococcus pneumoniae & other bacteria having polysaccharide capsules ca... | 153,568 | medmcqa_train |
A pregnant woman with severe mitral stenosis is likely to undergo failure in the anetnatal period. Best method to prevent cardiac failure in this patient is? | Balloon mitral valvuloplasty is the best treatment to prevent failure in severe MS. The ideal time for surgery would have been the interpregnancy interval, but since the patient is already pregnant, 20 - 24 weeks is the most preferable time. However in cases of severe mitral stenosis, surgery may be performed any time ... | 153,569 | medmcqa_train |
False statement about hemoglobin structure? | Each hemoglobin molecule is made up of:- (i) Non-protein part, i.e. heme; and (ii) Globin, which has 4 polypeptide chains (2 pairs of similar polypeptide chains).
Iron of hemoglobin is in the ferrous state which lies in the center of the porphyrin ring.
Myoglobin and the β-subunits of hemoglobin share almost identical ... | 153,570 | medmcqa_train |
Calcium blocking agents of use in the treatment of hypeension include | Nifedipine The overriding action of Nifedipine is aeriolar dilation, t.p.r. decreases and BP falls.Doesn&;t depress SA node or A-V conduction.Reflex sympathetic stimulation of hea predominates leading to tachycardia, increased contractility and C.O., coronary flow is increased.Its use is associated with higher moality ... | 153,571 | medmcqa_train |
Term 'schizophrenia' was coined by:TN 06; Ranchi 10; NEET 13 | Ans. Eugene Bleuler | 153,572 | medmcqa_train |
Which of the milestone develops first – | A child enjoys watching his own image in the mirror (mirror play) by 6 months.
A child crawls in the bed by 8 months.
Full creeping and crawling develop by 10 months.
Pincer grasps develops by 9 months. | 153,573 | medmcqa_train |
A 40-year-old lady with temporal field defects and galactorrhoea is most likely to have - | Temporal field defects in women with galactorrhoea suggests pituitary macroadenoma.
Increased secretion of prolactin causes amenorrhoea, galactorrhoea and the mass effect of the tumour on the optic nerve produces headache and visual field defect. | 153,574 | medmcqa_train |
The following general anaesthetic causes characteristic 'dissociative anesthesia': | The characteristic state observed after an induction dose of ketamine is known as "dissociative anesthesia," wherein the patient's eyes remain open with a slow nystagmic gaze (cataleptic state). If ketamine is administered as the sole anesthetic, amnesia is not as complete as with the benzodiazepines. Reflexes are ofte... | 153,575 | medmcqa_train |
3 year old child with red scrotal swelling which shows self resolution by next day morning and maximum in evening with positive transillumination test. Diagnosis: | Ans. (b) Congenital hydroceleRef: Bailey & Love 26th ed. /1382* Hydrocele is an accumulation of fluid in layers of tunica vaginalis.* Vaginal hydrocele: MC type. Accumulation of fluid within tunica vaginalis layers* Infantile hydrocele: doesn't necessarily appear in infants. The tunica and processus vaginalis are diste... | 153,576 | medmcqa_train |
A 5 year old girl came with history of progressively increasing pallor since bih and hepatosplenomegaly. Which of the following is the most relevant test for achieving diagnosis - | <p>Hb electrophoresis helps to confirm beta thalassemia (Hb F increased ,HbA2 increased ). </p><p>Reference :Harsh mohab textbook of pathology sixth edition pg no 322.</p> | 153,577 | medmcqa_train |
Conjunctival mucosal overgrowth over cornea- | Pterygium is a degenerative conjunctival fold which encroaches on the cornea in the palpebral area. It must be differentiated from pseudopterygium (an inflammatory fold of conjunctiva encroaching on cornea).Pterygium (L. Pterygion = a wing) is a wing-shaped fold of conjunctiva encroaching upon the cornea from either si... | 153,578 | medmcqa_train |
A female developed ovarian hyperstimulation syndrome during the treatment of infeility. What is the MOST common cause of ovarian hyperstimulation? | Ovarian hyperstimulation syndrome (OHSS): It is a clinical symptom complex associated with ovarian enlargement resulting from exogenous gonadotropin therapy. Symptoms may include abdominal pain and distension, ascitis, gastrointestinal problems, respiratory compromise, oliguria, hemoconcentration, and thromboembolism. ... | 153,579 | medmcqa_train |
Lymphatics of suprarenal gland drain into______ lymph nodes | Ans. b (Para-aortic nodes) (Ref BDC vol. 2 /4th/307)Lymphatics of adrenal/suprarenal gland drain into lateral/para-aortic nodes.Lymphatic Drainage of the Suprarenal Glands# The lymph vessels arise from a plexus deep to the capsule and from one in the medulla.# Most of lymphatics that leave the suprarenal glands end in ... | 153,580 | medmcqa_train |
Most common nerve injured in ligation of sup thyroid artery - | The external laryngeal nerve lies in relation to superior thyroid artery.
The recurrent laryngeal nerve lies close to superior laryngeal artery. | 153,581 | medmcqa_train |
In central serous retinopathy- | Ans- A Ref- Central serous chorioretinopathy is when fluid builds up under the retina. This can distort vision. The fluid leakage comes from a layer of tissue under the retina, called the choroid. There is another layer of cells called the retinal pigment epithelium (RPE). When the RPE doesn't work as it should, fluid ... | 153,582 | medmcqa_train |
Lens derives nutrition from | Lens being an avascular structure receives its nutrition from the aqueous like glucose salts, etc, by diffusion processRef: Parsons diseases of the eye; Under the heading lens | 153,583 | medmcqa_train |
Halofantrine is used for - | Ans. is 'a' i.e., Falciparum Malaria o It is mainly used for multidrug resistant falciparum malaria. | 153,584 | medmcqa_train |
A 7 year old boy is referred to a specialty clinic because of digestive problems. He often experiences severe abdominal cramps after eating a high fat meal. He is worked up and diagnosed with a genetic defect resulting in a deficiency of lipoprotein lipase. Which of the following substances would most likely be elevate... | After eating a high fat meal, triglycerides are processed by the intestinal mucosal cells. They are assembled in chylomicrons and eventually sent into the circulation for delivery to adipocytes and other cells. Chylomicrons are too large to enter cells, but are degraded while in the circulation by lipoprotein lipase. A... | 153,585 | medmcqa_train |
Tinel sign is indicative of | Tinel's sign : It records regeneration of nerve by Tapping on the nerve course from distal to proximal direction, tingling sensation is felt at the sprouting nerve ends till the distal course of the nerve (law of Projection) | 153,586 | medmcqa_train |
A 7 year old female child is brought to you with features of precocious pubey. On examination she has features of virilisation and is hypeensive. Which of the following enzyme deficiency is responsible for her condition? | The features of 11 - hydroxylase deficiency in a female are precocious pubey, hypeension, virilization etc. Also know: 1) Hypeension occurs in 17 - hydroxylase and 11 - hydroxylase deficiency 2) Male pseudohermaphroditism occurs in 17 - hydroxylase and 3b-hydroxysteroid dehydrogenase deficiency 3) Female pseudohermaphr... | 153,587 | medmcqa_train |
A 2.5-week-old boy is brought to pediatrics emergency depament with projectile vomiting which is non-bilious. On physical examination, firm, olive like mass is noted in the epigastric region and USG revealed the following findings. The child underwent surgical management. On week later, the child presents again with lo... | The clinical symptoms, examination with USG findings of thickened pyloric muscle (>3mm) and elongated pyloric canal (>15mm) reveal the diagnosis as CHPS- congenital hyperophic pyloric stenosis. The management image represents surgical pyloromyotomy. Post surgical management - pyloric sphincter dysfunction leads to deli... | 153,588 | medmcqa_train |
Commonest site of meningocele is | • Herniation of meninges through a defect in the posterior vertebral arches.
• Spinal cord is usually normal and assumes a normal position in the spinal canal
• There may be tethering, syringomyelia, or diastematomyelia.
Clinical Features
• A fluctuant midline mass, that may transilluminate occurs along the vertebral c... | 153,589 | medmcqa_train |
P. carini causes infection primarily in? | Pneumocystis jirovecii causes infection Primarily in Rats. Pneumocystis jirovecii (previously P. carinii) is the causative organism of Pneumocystis pneumonia paicularly among immunocompromised hosts. P. jiroveci causes PCP in human with HIV if, their CD4+ cells count below 200/uL. | 153,590 | medmcqa_train |
An anganwadi worker is trained for - | -under ICDS Scheme, there is an anganwadi worker for a population of 400-800. - anganwadi worker is selected from the community itself - undergoes a training in various aspects of health, nutrition and child development for 4 months. Reference : Park's textbook of preventive and social medicine, 23rd edition, pg no:903... | 153,591 | medmcqa_train |
Mycoplasmas differ from chlamydiae in that they are | Mycoplasmas lack a rigid cell wall and are bound by a triple-layer unit membrane. For this reason, they are completely resistant to the action of penicillins. Unlike the chlamydiae, they can replicate in cell-free media. | 153,592 | medmcqa_train |
Pneumatoceles often develop in children after pneumonia due to the following organism | Radiological signs are extensive in a form of massive consolidation.E.coli,Klebsiella ,staphylococcus pneumonia have pneumatoceles. Ref : Essential pediatrics,O.P.Ghai,7 th edition,pgno:355 | 153,593 | medmcqa_train |
The following drug penetrates into caseous necrosis in TB- | Ans- B RIFAMPICIN: 1.most effective anti- tubercular drug 2.Most bactericidal antitubercular drug 3.Only bactericidal drug effective against persisters or dormant bacilli in solid caseous lesson 4.Acts on extracellular as well as intracellular organisms 5.Antitubercular drug causing rapid sputum conversion 6.Antituberc... | 153,594 | medmcqa_train |
Type I MEN involves all except- | MEN type 1 (MEN 1), which is also referred to as Wermer's syndrome, is characterized by the triad of tumors involving the parathyroids, pancreatic islets (gastrinomas, insulinomas, nonfunctioning and PPoma, glucagonoma, VIPoma) and anterior pituitary (prolactinoma, somatotrophinoma, coicotropinoma, nonfunctioning). Ref... | 153,595 | medmcqa_train |
Ectopic tissue in stomach is of the origin of | Pancreatic tissue outside boundaries of the pancreas without anatomic or vascular connections to the pancreas, Also called ectopic pancreas. Ectopic pancreas can be found in submucosa of stomach, duodenum or small intestine, gallbladder, spleen Reference Bailey and love&;s edition 24 page no .1120 | 153,596 | medmcqa_train |
True statement about burn resuscitation - | Ans. is 'c' i.e.. Half of the calculated fluid given in initial 8 hrs. o Proper fluid management is critical to survival in a bum patient.o The hypovolemic shock in bum patient is special in the sense that the total body water remains unchanged in a burn patient. The thermal injury leads to a massive fluid shift from i... | 153,597 | medmcqa_train |
Hypeension is seen with all except | levodopa Drug causing hypeension * Cocaine * MAO Inhibitors * Cyclosporine * Glucocoicoids * Oral contraceptives * Tricyclic antidepressants * NSAID, Rofecoxib * Sympathomimetics Ibuprofen, Naproxen * Clonidine withdrawl * Decongestants (pseuodephedrine) * Erytlu-opoietin Drugs causing hypotension * Theophylline * Aden... | 153,598 | medmcqa_train |
Frequency distribution is studied by | Ans. is 'a' i.e., Histogram | 153,599 | medmcqa_train |
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