query stringlengths 1 1.57k | pos stringlengths 1 22.5k | idx int64 0 161k | task_name stringclasses 1
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Which is an allosteric protein -a) Transferrinb) Ceruloplasminc) Phosphofructokinase d) Haemoglobin | Hemoglobin is an allosteric protein, i.e. binding of an allosteric modulator to hemoglobin alter binding of other substrate or molecule (i.e. O2).
Phosphofructokinase I is an allosteric enzyme and is regulated allosterically in glycolysis. All enzymes (except for ribozymes) are proteins. So PFK-I is an allosteric prote... | 14,500 | medmcqa_train |
The weight of the child at 3 years is usually ___ times the bih weight? | The increase in the weight of the child with age- Age Weight (kg) Bih w 5 months 2w 1 year 3w 2 years 4w 3 years 5w | 14,501 | medmcqa_train |
A 15 year-old boy presented with one day history of bleeding gums, subconjunctival bleed and purpuric rash. Investigations revealed the following results: Hb -6.4 gm/dL; TLC -26, 500 mm3; Platelet -35, 000/ mm3; prothrombin time -20 sec with a control of 13 sec; paial thromboplastin time-50 sec; and Fibrinogen 10 mg/dL... | TEXT BOOK OF PATHOLOGY HARSHMOHAN 6TH EDITION PG NO 363 Thrombocytopenia . The platelet count is usually moderately to severely reduced (below 50,000/ml) but occasionally it may be normal. Bleeding tendencies in AML are usually correlated with the level of thrombocytopenia but most serious spontaneous haemorrhagic epis... | 14,502 | medmcqa_train |
Clathrin is used in | Ans. (a) Receptor mediated endocytosisClathrin is involved in receptor mediated endocytosisClathrin is required for the endocytosis of LDL receptor cholesterol, transferrin bound iron, Nerve growth factor (Neurotrophins), hormones(insulin), epidermal growth factor | 14,503 | medmcqa_train |
The triad of hypertension, bradycardia and irregular respiration is seen in: | Ans. a. Cushing's reflex (Ref: Ganong 24/e p607; Schwartz 9/e p1521; Bailey 25/e p483)The triad of hypertension, bradycardia and irregular respiration is seen in Cushing's reflex.'Elevated intracranial pressure, as caused by space occupying lesion like brain tumor or head trauma with associated intracranial bleeding (e... | 14,504 | medmcqa_train |
Largest lymphatic organ in the human body is | Spleen: - Largest lymphatic organ connected to blood vascular system. Acts as filter for blood Plays an impoant role in immune response of body Lies mainly in hypochondrium & paly in epigastrium Normally not palpable Supplied by splenic aery - the largest branch of celiac trunk Splenic vein is formed at hilum of spleen... | 14,505 | medmcqa_train |
P. Carni causes infection of primarily - | Ans. is 'a' i.e., Rats [Ref: Harrison 18th/e p. 1671 & I7th/e p. 1267}o Although the organisms within the pneumocystis genus are morphologically very similar, they are genetically diverse and host specific - P. jirovecii infects humans, where as P.carinii infects rats.Pneumocystis jirovcci (P. carinii)o Pneumocystis is... | 14,506 | medmcqa_train |
All of the following forces are involved in Antigen antibody reaction except - | Antigens are bound to antibodies through weak and noncovalent interactions such as electrostatic interactions, hydrogen bonds, Van der Waals forces, and hydrophobic interactions. Ref: Ananthanarayan & Panikers textbook of microbiology 9th edition pg:103 | 14,507 | medmcqa_train |
The material used in vertebroplasty is - | Vertebroplasty and kyphoplasty are interventional radiologic procedures for the treatment of the intense pain refractory to medical management or bracing caused by vertebral compression fracture associated with osteoporosis, tumors, and trauma.
Vertebroplasty and kyphoplasty involve intraosseous injection of acrylic ce... | 14,508 | medmcqa_train |
The enzyme responsible for development of Cataract in diabetes is due to | NADPH+ dependent aldoreductase is responsible for accumulation of Sorbitol in Lens causing Cataract in Diabetic. | 14,509 | medmcqa_train |
Which of the following is not caused by non-typable Hib? | Ans. b. Meningitis (Ref: Ananthanarayan 8/e p331)Meningitis is not caused by non-typable Hib.'Diseases due to H. influenza may be considered under two groups, invasive and noninvasive.In the first group, the bacillus acts as a primary pathogen, causing acute invasive infections. The bacilli spread through blood, being ... | 14,510 | medmcqa_train |
Condyloma acuminata in pregnancy is treated by: | Ans. C. Trichloroacetic acidTreatment of condyloma -acuminata - (verruca-genital is)a. Podophyllum is effective only on the genital wartsb. Podophyllum is potentially toxic and must be avoided in during pregnancyc. Chemical cauterization is usually done with liquified phenol or concentrated trichloroacetic acid | 14,511 | medmcqa_train |
Study done on a group of patients showed coefficient of variance for BP and serum creatinine to be 20%& 15% respectively. Inference is that - | Coefficient of variance
Coefficient of variance indicates how large standard deviation is relative to mean, i.e. Coefficient of variance is a relative comparison of a standard deviation to its mean. It is expressed as percentage.
CV = Standard deviation / mean x 100
For example, if the standard deviation of a sampl... | 14,512 | medmcqa_train |
A gamma nerve diameter is | A delta fibre diameter is 3-6 um. Ref: Ganong&;s review of medical physiology; 23rd edition; pg: 89; table 4-1. | 14,513 | medmcqa_train |
Treatment of choice for non-united fracture of lower 1/4th tibia with multiple discharging sinuses & various puckered scar with 4cm shoening of leg- | *Patient in question has infected non-union with shoening of 4cms. Ilizanov fixature with distraction osteogenesis will be the best option. Ref: Maheshwari 9th/e p.158 | 14,514 | medmcqa_train |
Severe mitral stenosis is identified by: | Ans.(c) Duration of mid-diastolic murmurRef: Harrison 19th ed. /1539* Severity of mitral Stenosis implies that the mitral valve orifice has become smaller in size. This implies that the blood will take longer time to go from left atrium to left ventricle. This implies the LENGTH Of murmur will increase. | 14,515 | medmcqa_train |
Most common type of mental retardation ? | Ans. is 'a' i.e., Mild | 14,516 | medmcqa_train |
A 34-year-old female cab driver, a smoker, is admitted with acute shoness of breath and mild hemoptysis. Her review of systems is otherwise unremarkable. Physical examination: pulse 100 bpm; temperature 99degF; respirations 21/min; blood pressure 160/84 mm Hg. The patient is overweight with a BMI of 30. Other peinent f... | The PA view is slightly overpenetrated. Lumbar interspaces are visible in this patient. The cardiac silhouette is large. The left costophrenic angle is blunted and there appears to be increased density behind the hea that paially obscures the diaphragm. There are bilateral linear opacities in the lower zones consistent... | 14,517 | medmcqa_train |
Which of the following defines isotopes: September 2011 | Ans. Same atomic number and different mass number | 14,518 | medmcqa_train |
Thrombocytopenia in a newborn baby can be caused by – | Thrombocytopenia in neonate can be caused by
Isoimmune thrombocytopenia
Mothers with ITP (Autoimmune thrombocytopenia).
Mothers with antiphospholipid antibody (SLE).
Intrauterine infections with → Rubella, Syphilis, Toxoplasmosis, CMK HSV
Neonatal bacterial sepsis | 14,519 | medmcqa_train |
EEG shows "Sleep Spindles" in this stage of NREM sleep | (B) II > Stage II of NREM sleep is characterized by sleep spindles on EEC. Sleep spindles are bursts of alpha-like, 10-14Hz., 50 mV waves.> When a person falling asleep enters stage I of "NREM, the EEG shows low-amplitude, high frequency waves. As the progression from Stage I to Stage IV of NREM occurs, the frequency o... | 14,520 | medmcqa_train |
A 29 year old unmarried female presents with progressive dyspnea. Her X ray chest shows clear lung fields. Pulmonary function testing reveals in FVC of 92%; FEVI/FVC of 89%; and dICO of 59%. On exercise testing her oxygen saturation drops from 92% to 86%. What is the likely diagnosis: | Answer is B (Primary Pulmonary Hypeension): Isolated reduction in diffusion capacity (DLCO) with nearly normal flow volumes (FVC; FEV1/FVC) in a young female with progressive dyspnea is characteristic of Primary Pulmonary Hypeension. Features of Primary Pulmonary Hypeension / Idiopathic Pulmonary Aerial Hypeension Most... | 14,521 | medmcqa_train |
Fasting blood sugar (FBS of a population is known to be normally distributed, with a mean of 105 mg%. SD =10. Thus 95% of the population will have FBS within- | Ref:Parks 23rd edition pg 849. 1SD : confidence limit = 68% 2SD : confidence limit = 95% 3SD : confidence limit = 99.7% 95% means +/- 2SD Here SD =10 So +/- 20 So, between 85 and 125 | 14,522 | medmcqa_train |
Total duration of antibiotics in acute osteomyelitis is | Teatement is staed with , IV antibiotics until condition begins to improve or Crp values return to normal, usually for 2 weeks. Thereafter antibiotics ae given orally for another 4 weeks. Change of antibiotics or surgery is considered, if no improvement occurs within 48hrs of antibiotics. ref : maheswari 9th ed | 14,523 | medmcqa_train |
What is the name of this clinical finding that can be seen in Rickets? | Ans. C. Windswept deformityGenu Valgum of 1 leg &. genu varum of another leg, are together called windswept deformity: as if the legs are sweeped off to one side because of the speedy wind; It is one of the signs of Rickets, involving the lower limbs of children | 14,524 | medmcqa_train |
Motor nerve supply of muscles of upper lip is by | Temporal—frontalis, auricular muscles, orbicularis oculi
Zygomatic—Orbicularis oculi
Buccal—muscles of the cheek and upper lip
Marginal mandibular—muscles of lower lip.
Cervical—platysma | 14,525 | medmcqa_train |
U-slab is given for fracture of - | Traction by gravity - This applies only to upper limb injuries. Thus, with a wrist sling the weight of the arm provides continuous traction to the humerus. For comfo and stability, especially with a transverse fracture, a U-SLAB of plaster may be bandaged on. REF:Apley&;s system of ohopaedics- 9th edn- pg no 697 . | 14,526 | medmcqa_train |
The commonest gastric polyp is ? | Ans. is 'a' i.e., Hyperplastic polyp | 14,527 | medmcqa_train |
A 28-year-old man presents to the emergency room complaining of coughing up blood and sputum He provides a history of recurrent pneumonias and a chronic cough productive of foul-smelling purulent sputum He has no other past medical history and is a lifetime non-smoker. On physical examination, there are no oral lesions... | CT scan can confirm the diagnosis and define the extent of bronchiectasis. Occasionally, advanced cases of saccular bronchiectasis can be diagnosed by routine CXR. Open thoracotomy is usually not necessary to make the diagnosis of bronchiectasis, and a BAL is performed only if cultures are required. | 14,528 | medmcqa_train |
A 5-year-old residential school child walks into your clinic with the habit of thumb sucking in association with bruxism.
Following effects are seen on maxilla except: | Effects of Thumb/digits sucking in maxilla
Proclination of maxillary incisors: When a child places a thumb/finger between the teeth, it is usually positioned at an angle, so that it presses against the lingual palatal surface of the upper incisors and the lingual surface of the lower incisors. This direct pressure cau... | 14,529 | medmcqa_train |
Which one of the following can provide 100 % oxygen? | Anaesthesia face mask FEATURES These facemasks have a cuff that allows for a complete seal to be achieved between the mask and the patient's face. Anesthetic facemasks can therefore be used to deliver non-invasive ventilation (NIV). In order to ventilate with an anesthetic facemask you'll need a pressurized gas source ... | 14,530 | medmcqa_train |
Management of Carcinoma prostate with no lymph node or mets in a 72-year-old man is | In more than 70 year old observation with Proscavax vaccine is followed. | 14,531 | medmcqa_train |
Least analgesic | C i.e. Halothane | 14,532 | medmcqa_train |
A child with nephrotic syndrome following an episode of diarrhea presented with acute kidney injury with a creatinine of 4.5. All of the following are possible reasons except? | Ans. d. Steroid induced diabetes | 14,533 | medmcqa_train |
Non-enzymatic linkage of glucose with haemoglobin is known as | glycation occur mainly in the bloodstream toa small propoion of the observer simple sugars such as glucose Fructose and galactose . it appears that fructose has approximately 10 times glycation activity of glucose , the primary body fuel . glycation can occur through amadori reactions , schiffbase r eactions And mailla... | 14,534 | medmcqa_train |
H2S inhibits which complex of ETC - | Ans. is 'd' i.e., IV Inhibitors of Electron transport chain (Respiratory chain)o Complex I :- Barbiturates (amobarbital), piercidin A, rotenone, chlorpromazine, guanithidine.o Complex II:- Carboxin, TTFA, malonate.o Complex III :- Dimercaproi. BAL, actinomycin A, Naphthyloquinone.o Complex IV :- (cytochrome c oxidase) ... | 14,535 | medmcqa_train |
What is the full form of ATLS - | Ans. is 'a' i.e., Advanced Trauma Life Support o Advanced trauma life support (commonly abbreviated ATLS) is a training program for medical providers in the management of acute trauma cases, developed by the American College of Surgeons.o Has been explained in previous sessions | 14,536 | medmcqa_train |
What is the commonest cause of periumbilical pain after 30 minutes of TURP done under spinal anesthesia with Bupivacaine? | The incidence of bladder perforation during TURP is less than 1%. This patient experiences pain 30 minutes after TURP. This is because he is under spinal anesthesia. Perforation may result from the resectoscope going through the bladder wall or from overdistention of the bladder with irrigation fluid. Most bladder perf... | 14,537 | medmcqa_train |
Transfer of genetic material by bacteriophage is - | Ans. is 'a' i.e., Transduction Transduction* The transfer of a portion of DNA from one bacterium to another by a bacteriophage (virus).* Bacteriophages are viruses that parasite bacteria and consist of nucleic acid core and a protein coat.* Transduction may be1. Generalised - When it involves any segment of donor DNA2.... | 14,538 | medmcqa_train |
Cardinal movements of labour in order | The cardinal movements of labour are engagement, descent, flexion, internal rotation, extension, restitution, external rotation and expulsion Reference: William&;s Obstetrics; 24th edition; Chapter 22; Normal labour | 14,539 | medmcqa_train |
A 7-year-old child presents with a non-blanching rash over the extensor aspect of legs with swelling over the knee. Urine analysis shows proteinuria + and hematuria +++. On kidney biopsy which finding will be most commonly seen - | Ans-C | 14,540 | medmcqa_train |
Highest risk of ectopic pregnancy is associated with : | Pelvic inflammatory disease | 14,541 | medmcqa_train |
Central pa of cholesteatoma contains ? | Ans. is 'a' i.e., Keratin debris Cholesteatoma Destructive or expanding growth in the middle ear or mastoid process The term cholesteatoma is a misnomer, because it neither contains cholesterol crystals nor is it a tumor to merit the suffix `oma'. Cholesteatoma has the propey to destroy bone. It may cause destruction o... | 14,542 | medmcqa_train |
Amenorrhoea due to high LH and FSH is due to: | Ovarian dysfunction:
Group I- Hypthalamic -pituitary failure, e.g anorexia nervosa, Kallman's syndrome, Sheehan's syndrome
Group II- Ovarian failure, e.g. Turner syndrome pure gonadal dysgenesis, Swyer syndrome, autoimmune disorders infection, radiotherapy or chemotherapy.
Group III- Congenital or acquired genital trac... | 14,543 | medmcqa_train |
'Fracture-ala signature' or signature fracture is - | The synopsis of forensic medicine &toxicology Dr k.s narayan reddy ;28th edition; pg.no. 140 . Depressed fractures produced by local deformation of skull ,caused by a heavy weapon with small striking surface. These are also called FRACTURE A LA SIGNATURE (SIGNATURE FRACTURE) | 14,544 | medmcqa_train |
Accelerated idioventricular rhythm (AIVR) is most characteristically seen in? | Three or more ventricular beats at a rate slower than 100 beats/min are termed an idioventricular rhythm . Automaticity is the likely mechanism. Idioventricular rhythms are common during acute MI , reperfusion and may emerge during sinus bradycardia. Atropine may be administered to increase the sinus rates if this is a... | 14,545 | medmcqa_train |
Moderately hard water has hardness level | Ref: 25th Ed K.Park's Textbook Of Preventive and Social Medicine Pgno : 763 | 14,546 | medmcqa_train |
Oocyst of toxoplasma is found in : | Ans. is 'a' i.e. Cat Toxoplasma can infect wide variety of animals but the only host under which it undergoes sexual division and produce infectious oocyst which are excreted in the feces is Cat. | 14,547 | medmcqa_train |
The following agents are known as leukemogens except | Leukemogen-a substance capable of inducing leukemia. Causation, induction and development. Berrylium is not a leukemogen. Risk is related to total cumulative dose and does intensity. | 14,548 | medmcqa_train |
Nikshay software is used for | Nikshay software is a web based solution for monitoring TB patients under Revised National Tuberculosis Control Programme (RNTCP). It was developed by National Informatics Center (NIC). | 14,549 | medmcqa_train |
Hyaluronic acid - mucopolysaccharide is present in | C i.e. Vitreous humor | 14,550 | medmcqa_train |
Cross product ratio is used in:- | Framework of a case control study (The 2 x 2 contigency table) Suspected or risk factors Cases (Disease present) Control (Disease absent) Present Absent ac bd a+c b+d Cross product ratio is another name for Odds ratio. It used to calculate strength of association between risk factor and outcome in case of case control ... | 14,551 | medmcqa_train |
What is the size of paicle is rapid sand filter ? | Ans. is 'd' i.e., 0.4 to 0.7 mm Rapid sand filter 0.4 - 0.7 rnm Slow sand filter 0.2 - 0.3 | 14,552 | medmcqa_train |
'Vagitus uterinus' is: | C i.e. A Cry of unborn baby from uterus - Vagitus is the first cry of unborn childQ from uterus (V. uterinus) or vagina (V. vaginalis). - Foetus is ble (& capable of independent existence) after 210 days (7 months)Q. The average length (crown-heel length) of full term child is 48-52 cms. | 14,553 | medmcqa_train |
A 40-year-old, moderately obese man presents with a persistent productive cough. The cough has been present for several weeks, but recently the man noted that his sputum has assumed a greenish color. Fuher questioning elicits a history of productive cough, usually in the winter months, over the past several years. He h... | The diagnosis of chronic bronchitis requires the presence of chronic productive cough for over at least 3 months of the year for 2 successive years. The symptoms in this patient (green productive sputum, fever) suggest that he has an acute infection superimposed on chronic bronchitis (history of cigarette smoking, hist... | 14,554 | medmcqa_train |
A seven year old girl presents with repeated episodes of bleeding into joints. APTT is prolonged and PT is normal. The most likely diagnosis is. | Answer is C (Von Willebrand disease) Bleeding into joints along with normal PT and prolonged APTT iii a girl/female suggest a diagnosis of Von Willebrand disease Bleeding into joints along with prolonged APTT and normal PT may be seen in Factor VIII deficiency (Hemophilia A) and Von Willebrand disese. Hemophilia A is a... | 14,555 | medmcqa_train |
Samuel Hahnemann is referred to as Founding Father of: | Ans. (c) Homeopathy* Founding Father of Homeopathy: Samuel Hahnemann (Germany)ALSO REMEMBERHOMEOPATHY:* Principle of Fiomeopathy system of medicine:- First principle -'similia similibus curenter': In healthy persons, produces symptoms similar to those of the disease being treated (known as 'Human drug pathogenicity stu... | 14,556 | medmcqa_train |
Parvo virus causes all except | Heamorrhagic cystitis is caused by Adenovirus type 11, 21. | 14,557 | medmcqa_train |
Regarding antrochonal polyp which one is true - | Antrochoanal polyp arises from maxillary sinus and grows backward in the nose towards the choana, and can reach nasopharynx. | 14,558 | medmcqa_train |
Dohlman's procedure is used in | Zenker's diveiculum is a protrusion of mucosa through killian's dehiscence, a weak area of the posterior pharyngeal wall between thyropharyngeus (oblique fibres) and cricopharyngeus (transverse fibres ) of the inferior constrictor muscle of the pharynx. It is a pulsion diveiculum. Dohlman's approach is minially invasiv... | 14,559 | medmcqa_train |
Which of the following statements is true about endemic typhus: | Option 1, 2, 3 Endemic typhus: Causative agent- R. typhi Vector - Flea, Rats are the reservoir Option 4 Rickettsiae cannot be cultivated in cell free media. Isolation can be done by cell lines (Vero, primary chick embryo, WI-38, HeLa), egg (yolk sac inoculation), or animal inoculation (guinea pig). | 14,560 | medmcqa_train |
A melanocytic naevus surrounded by a depigmented halo is called: | Sutton's nevus/halo's nevus : a halo of depigmentation appears around a preexisting melanocytic naevus. Meyerson's naevus is used to describe a melanocytic naevus that has developed an associated inflammatory reaction, which looks like eczema. Ref: Rook's textbook of dermatology, 8th edition Pg 54.20. | 14,561 | medmcqa_train |
In disability rates, event- type indication are the following except- | .In disability rates, event- type indication are the following ,Number of days of restricted activity ,Bed disability days,Work loss daysor school days in specified period of time. ref:park&;s textbook,22ed,pg no 24 | 14,562 | medmcqa_train |
Guyrope&;s technique is related to: | Guyrope principle is used to eve the necessary length of bowel in creation of ileostomy. Guy Rope Principle In the creation of a permanent ileostomy, a fully eveed nipple ensures a good fit of the stomal appliance In normal bowel segement this may not pose a problem, but forceful attempts at eversion in diseased, thick... | 14,563 | medmcqa_train |
All of the following benzodiazepines can be used in elderly and those with liver disease EXCEPT: | Diazepam is all purpose BZDs ,it has broad spectrum activity ,it generates active metabolites ,it is also long acting BZDs . Therefore the adverse effects are more pronounced especially in people with liver disease (as diazepam is metabolized in liver) & in older individuals ,it produces psychomotor side effects. Ref: ... | 14,564 | medmcqa_train |
What is the length of an eye ball at bih | Length of an eye ball at bih is between 16.5 - 17.5mm, whereas in an adult the length is between 23-23 mm. | 14,565 | medmcqa_train |
Amino acid score of animal foods – | Amino acid score (chemical score)
It is used for qualitative assessment of protein.
It is a measure of the concentration of each essential amino acid in the test protein expressed as a percentage of that amino acid in reference protein (egg protein).
Amino acid score = No. of mg of one amino acid per gm of protein / ... | 14,566 | medmcqa_train |
All of the following cephalosporins have a good activity against pseudomonas aeruginosa EXCEPT: March 2003 | Ans. A i.e. Cephadroxil | 14,567 | medmcqa_train |
Asymptomatic, solid 4cm tumor of distal pancreas. Treatment | Resectional Surgery for pancreatic Body and Tail Tumors Most body and tail cancers have already metastasized to distant sits or extended locally to involve nodes, nerves or major vessels by the time of diagnosis Splenic vein involvement or occlusion is not a sign of nonresectability Involvement of the splenic and SMV c... | 14,568 | medmcqa_train |
Pharyngeal bursa is a site of origin for: | Infection of pharyngeal bursa gives rise to Thomwaldt's cyst which causes postnasal discharge, halitosis and occipital headache.Chordoma arises from remnants of notochord. Craniopharyngioma arises from Rathke's pouch. Rathke's cyst also arises from Rathke's pouch and can get infected, which may extend superiorly into t... | 14,569 | medmcqa_train |
Most common cause of ASOM is- | Ans. is 'b' i.e., Pneumococci o ASOM is an acute inflammation of middle ear cleft caused by pyogenic organism.o It is worth noting that ASOM is the infection of middle ear cleft, i.e., middle ear (tympanic cavity), Eustachian tube, Attic, Aditus, antrum and mastoid air cells,o ASOM is especially common in infants and c... | 14,570 | medmcqa_train |
Dorsal root ganglion contains - | Ans. is 'd' i.e., Body of sensory neuron o The various sensations from the sensory receptors are carried to the spinal cord through the spinal nerves. As thespinal nerve approaches the spinal cord, it divides into the dorsal (sensory) roots and ventral (motor roots). Ganglion for dorsal root (Le. dorsal root ganglion -... | 14,571 | medmcqa_train |
Patient with NTD, dose of folic acid in next pregnancy - | Ans. is 'd' i.e., 4mg o The recurrence risk of neural tube defect is:# 3 - 5 % if a couple has previously had a child with either anencephaly or spina bifida.# 5% if either parent was bom with a NTD# 10% if a couple has two affected children.o Folic acid supplementation 4 mg daily 1 month before conception to about 12 ... | 14,572 | medmcqa_train |
Ideal temperature to preserve the body for a post moem is | The ideal temperature for keeping a dead body for autopsy is 4degC. To keep a body for long duration for other purposes the temperature is -20degC. Ref: FORENSIC MEDICINE AND TOXICOLOGY Dr PC IGNATIUS THIRD EDITION PAGE 42 | 14,573 | medmcqa_train |
All of the following are functions of CD 4 helper cells, except - | The T helper cells (Th cells) are a type of T cell that play an impoant role in the immune system, paicularly in the adaptive immune system. They help the activity of other immune cells by releasing T cell cytokines. These cells help suppress or regulate immune responses. They are essential in B cell antibody class swi... | 14,574 | medmcqa_train |
Which of the following is/are not local anesthesia: | C i.e. Mivacurium | 14,575 | medmcqa_train |
Penile growth occurs during SMR stage | In males, the first visible sign of pubey and the hallmark of SMR2 is the testicular enlargement. Penile growth occurs during stage 3.Reference: Nelson Textbook of Paediatrics; 20th edition | 14,576 | medmcqa_train |
All of the following are true about Primary Sjogren's syndrome, except: | Answer is C (Associated with Rheumatoid Ahritis): Kelly's Rheumatoid ahritis is associated with Secondary Sjogren's Syndrome and not Primary Sjogren's Syndrome. Primary Sjogren's Syndrome No Connective Tissue /Chronic inflammatory disorder Secondary Sjogren's Syndrome Underlying Connective Tissue / Chronic inflammatory... | 14,577 | medmcqa_train |
The following is true about the term New families | Te term new families has come recently into vogue ,it is applied to those under 10 years duration and consists of parents and children. Ref:(p.740) 25 th edition Park's Textbook of Preventive and Social Medicine | 14,578 | medmcqa_train |
Honeycomb histological appearance is seen in: | Adenoid cystic carcinoma is composed of myoepithelial cells and ductal cells which have a varied arrangement. Morphologically, three growth patterns have been described: cribriform (classic), tubular, and solid (basaloid). The tumors are categorized according to the predominant pattern.
The cribriform pattern shows ba... | 14,579 | medmcqa_train |
Copper sulphate poisoning manifests with which of the following feature? | Acute copper sulphate poisoning can manifest with acute hemolysis. The pathogenesis of this effect is not known but it may be related to copper induced oxidation of intracellular glutathione, hemoglobin and NADPH as well as inhibition of Glucose 6 phosphate dehydrogenase by copper. Patients with acute copper poisoning ... | 14,580 | medmcqa_train |
In TB, immunity is provided by - | Ans. is 'a' i.e., CD4+ . Cell mediated immunity confers protection against M. tuberculosis, while humoral immunity has no defined role in protection. . Two types of cells are essential. 1. Macrophages --> Directly phagocytize tubercle bacilli. 2. T cells (mainly CD4+) --> Induce protection through the production of IFN... | 14,581 | medmcqa_train |
Which is attached most anteriorly on the intercondylar areaof tibia intercondylararea of tibia (area b/w medial and lateral tibial plateau)- | Ans. is'd' i.e, Anterior horn of the medial meniscusPROXIMAL END (upper end)Proximal (upper) end of tibia includes medial & lateral condyles, forming tibial plateau.It also includes tibial Tuberosity & intercondylar area.Attachments on proximal end are:Medial condyle:Semimembranous (posteriorly), capsule of knee joint,... | 14,582 | medmcqa_train |
Swimming pool granuloma is caused by | Mycobacterium marinum can cause cellulitis or granulomas on skin surfaces exposed to the water in aquariums or injured in swimming pools. | 14,583 | medmcqa_train |
Which muscle is a pure elevator of the jaw? | The medial pterygoid muscle, which originates on the medial side of the lateral pterygoid plate, and the masseter muscle, which originates from the zygomatic arch, pass medially and laterally to the ramus of the mandible to form a sling about the angle of the mandible. These muscles are powerful elevators of the jaw. T... | 14,584 | medmcqa_train |
Which is the clinical type of acute pericarditis? | Ans. is 'b' i.e., Fibrinous Classification of pericarditisClinical classificationI. Acute pericarditis (<6 weeks)a) Fibrinousb) Effusive (serous or sanguineous)II. Subacute pericarditis (6 weeks to 6 months)a) Effusinve-constrictiveb) ConstrictiveIII) Chronic pericarditis (> 6 months)a) Constrictiveb) Effusivec) Adhesi... | 14,585 | medmcqa_train |
Which of the following test is shown here? | Ans. (a) coagulase test.* The image shows Coagulase test. The Upper tube is inoculated with Staphylococcus aureus; lower tube is inoculated with Staphylococcus epidermidis. Arrow points to clotted plasma formed by coagulase produced by Staphylococcus Aureus.* Coagulase reacts with prothrombin in the blood. The resultin... | 14,586 | medmcqa_train |
Gottron papules are seen in - | Ans. is 'a' i.e., Dermatomyositis Cutaneous signs of dermatomvosits1. Gottron's papules: - lilac or violaceous papules on knuckle, dorsa of hands.2 Gottron's sign : - Violaceous erythema with edema over shoulder, arms, forearms.Heliotrope sign : - Violaceous erythema with edema over eyelids, periorbital region.Poikilod... | 14,587 | medmcqa_train |
Which of the following drug regarding transfer of drug across placenta is false | Heparin and insulin are anticoagulant and anti diabetic drug of choice respectively,in pregnancy .Because these have minimum entry into placenta Fetal plasma is more acidic than mother ,so ion trapping of basic drugs occur. (pH7 as compared to pH 7.4 of mother ) Placenta contain p-glycoproteins that can act as reflux p... | 14,588 | medmcqa_train |
The TRUE statement about Dieulafoy's lesion is: | Dieulafoy's lesion: This lesion is a large-caliber aeriole that runs immediately beneath the gastrointestinal mucosa and bleeds through a pinpoint mucosal erosion. It is seen most commonly on the lesser curvature of the proximal stomach, causes impressive aerial hemorrhage, and may be difficult to diagnose. It is often... | 14,589 | medmcqa_train |
'Itch is disease' is true for ? | A i.e. Atopic dermatitis | 14,590 | medmcqa_train |
Phobia is -a) Psychosisb) Anxietyc) Fear of animald) Neurosis | Phobias (Agoraphobia, specific phobia, social-phobia) are anxiety disorders.
Anxiety disorders are neurosis. | 14,591 | medmcqa_train |
Digoxin toxicity is precipitated by all except: | Ans. is 'c' Hepatic disease Digoxin toxicity is enhanced by renal failure as it is excreted through kidneys where as digitoxin toxicity is enhanced by liver failure because it is eliminated by hepatic metabolism.Other factors precipitating Digitalis toxicityAdvanced ageAcute myocardial infarction or ischemiaHypoxemiaHy... | 14,592 | medmcqa_train |
Vertical banding gastroplasty, also known as stomach stapling is done for? | ANSWER: (D) Morbid obesityREF: Sabiston Textbook of Surgery, 18th ed. Chapter 17Bariatric operations produce weight loss as a result of twTo factors. One is restriction of oral intake. The other is malabsorption of ingested food.Bariatric Operations: Mechanism of Action:RestrictiveVertical banded gastroplasty (VBG) (hi... | 14,593 | medmcqa_train |
Alkali resistant haemoglobin is - | Ans. is 'c' i.e., HbF* Adult haemoglobin is made up of a2b2* Foetal haemoglobin is made up of a2g2* Adult haemoglobin undergoes denaturation in the presence of alkali to form alkaline hematin. Alkaline hematin is insoluble and precipitates.* On the contrary foetal haemoglobin is resistant to alkali denaturation.* This ... | 14,594 | medmcqa_train |
Rat hole is associated with which injury? | Ans. d. Bullet injury (Ref: Reddy 33/e p219: Parikh 6/4.43)Rat hole is associated with Bullet injury."Intermediate range shotgun wounds: At a distance of 60--90 cm, single irregular circular aperture 4 to 5 cm with irregular and lacerated edges is produced. The shots are scattered after entering the wound and cause muc... | 14,595 | medmcqa_train |
Antibody found in myositis Is? | Anti-Jo-1 antibody is a myositis specific autoantibody most commonly found in patients with idiopathic inflammatory myopathies (IIM). This antibody is directed against the histidyl-tRNA synthetase which catalyses the binding of the histidine to its cognate tRNA during protein synthesis. It can be considered a specific ... | 14,596 | medmcqa_train |
Thiazide cause- | Ans. is 'a' i.e., Metabolic alkalosiso By inhibiting salt reabsorption in TAL, loop diuretics increase deliver)' to the collecting duct. Increased delivery-leads to increased secretion of K- and H+ by the duct, causing hypokalemic metabolic alkalosis. This toxicity is the function of the magnitude of the dieresis and c... | 14,597 | medmcqa_train |
Speech discrimination score, lowest in | D. i.e. (Acoustic neuroma) (137 - Maqbool)SPEECH DISCRIMINATION SCORE (speech recognition or word recognition score) - tested at 30 to 40 dB, SLUSES1. It determines the extent of discrimination difficulty2. It aids in the diagnosis of the site of pathology in the auditory system eg poor in acoustic neuroma. The normal ... | 14,598 | medmcqa_train |
Tako-Tsubo Cardiomyopathy is a type of - | Ans. is 'a' i.e., Dilated Cardiomyopathy [Ref: Harrison 18th/e p. 1964)o Stress cardiomyopathy, also called apical ballooning syndrome, broken heart syndrome, tako-tsubo cardiomyopathy, and stress induced cardiomyopathy is an increasingly reported syndrome characterized by transient systolic dysfunction of the apical a... | 14,599 | medmcqa_train |
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