query stringlengths 1 1.57k | pos stringlengths 1 22.5k | idx int64 0 161k | task_name stringclasses 1
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Nerve supply to stylohyoid is from? | The stylohyoid is supplied by the facial nerve, which is the nerve of the second pharyngeal arch. Ref: BD Chaurasia's HUMAN ANATOMY, Volume 3, 4th edition. | 160,100 | medmcqa_train |
Hyponatremia is seen in | Hypothyroidism is one of the causes of hyponatremia, thus thyroid-stimulating hormone determination is mandatory during the evaluation of patients with reduced serum sodium levels. .Patients with moderate to severe hypothyroidism and mainly patients with myxedema may exhibit reduced sodium levels (<135 mmol/L) Ref Davi... | 160,101 | medmcqa_train |
Threonine, while metabolism is conveed to which amino acid: | Threonine aldolase cleaves threonine to acetaldehyde and glycine. Ref: Harper 28th edition, chapter 29. | 160,102 | medmcqa_train |
In a child, non - functioning kidney is best diagnosed by- | Ans. is 'c' i.e., DTPA renogram o The most convenient method of estimation of renal function is by isotope renography. Kumar/85] o Two types of isotope renography is there ? 1) Renogram, DTPA scan or MAG3 DTPA and MAG3 are rapidly excreted by the kidney and are therefore used as radiopharmaceutical agents for dynamic s... | 160,103 | medmcqa_train |
Ground glass hepatocytes are seen in which of the viral hepatitis - | HBV-infected hepatocytes may show a cytoplasm packed with spheres and tubules of HBs Ag, producing a finely granular cytoplasm ("ground-glass hepatocytes"). | 160,104 | medmcqa_train |
Example of Dimorphic fungus - | Ans. is 'b' i.e., Blastomyces Dimorphic fungio Fungi that have two growth forms, such as mold (filaments) and a yeast, which develop under different growth conditions.o In host tissues or cultures at 3 / C they occur as yeasts, while in the soil and in cultures at 22 C they appear as moulds.o Most fungi causing systemi... | 160,105 | medmcqa_train |
First cell of RBC development: | a. Proerythroblast(Ref: Nelson's 20/e p 2304-2308, Ghai 8/e p 330)Stage of RBC development are: Proerythroblast - Basophillic - polychromatic - Orthochromatic erythroblast - Nucleated RBC - Reticulocyte - Mature RBC. | 160,106 | medmcqa_train |
Hair on end appearance is seen in: | Ans. Thalassemia | 160,107 | medmcqa_train |
A patient with multiple hypopigmented & hypesthetic patches on lateral aspect of forearm with abundance of AFB and granulomatous inflammation on histology. The diagnosis is | C i.e. Border line leprosy | 160,108 | medmcqa_train |
Gartners duct cyst lies in | Gartners duct cyst lies in anterolateral wall of vagina. | 160,109 | medmcqa_train |
A child can laugh aloud at the age of:- | A child laughs aloud at the age of 4 month. 1 month - ales to sound 2 months - Vocalizes 3 months - Coos 4 months - Laughs aloud | 160,110 | medmcqa_train |
In which of the following conditions of malabsorption, an intestinal biopsy is diagnostic-: | Answer is C (Whipple's Disease): An intestinal biopsy is diagnostic/specific for malabsorption due to Whipple's disease. Three most commonly asked forms of Malabsorption Syndromes Whipple's Disease Tropical Sprue Coeliac Disease Malabsorption syndrome with systemic Malabsorption syndrome of infectious Malabsorption syn... | 160,111 | medmcqa_train |
Constrictions in esophagus are seen at all the levels except: | The esophagus has four constrictions.Where the pharynx joins the upper end - 15 cm from incisor teethThe second is at the where the aoic arch - 22.5 cm from incisor teethThe left bronchus cross its anterior surface - 27.5 cm from incisor teethWhere the esophagus passes through the diaphragm into the stomach - 37.5 cm f... | 160,112 | medmcqa_train |
. Immunity by vaccine of yellow fever is provided for: | 10 years staing from 10 days after vaccination | 160,113 | medmcqa_train |
Only Hepatitis virus which can be cultured is: | HAV | 160,114 | medmcqa_train |
All muscles are useful in Supination and Pronation of Hand EXCEPT | (A) Anconeus # Supination & Pronation are rotatory movements of forearm (and hand) around a vertical axis.> In a semiflexed elbow, the palm is turned upwards in supination, and downwards in pronation Remember: Kings pronate, Beggars supinate> The movements are permitted at the superior and inferior radioulnar joints, t... | 160,115 | medmcqa_train |
Vitamin required for collagen synthesis | The active form of vitamin C is ascorbic acid (Figure 28.8). The main function of ascorbate is as a reducing agent in several different reactions. Vitamin C has a well-documented role as a coenzyme in hydroxylation reactions, for example, hydroxylation of prolyl and lysyl residues of collagen (see p. 47). Vitamin C is,... | 160,116 | medmcqa_train |
Global removal of disease agent refers to | Disease control : Is decrease in incidence of disease, so that it is no more public health problem.
Disease elimination : Complete reduction in incidence of disease in defined geographical area, but organism persists.
Disease Eradication : Global removal of organism. | 160,117 | medmcqa_train |
The drug of choice in mycoplasma pneumonia in children is – | Treatment of pneumonia in children
For mildly ill patient (not require hospitalization)
Empirical treatment → Amoxicillin is the DOC.
Atypical (mycoplasma) pneumonia → macrolides (Azithromycin, Erythromycin).
For Hospitalized patients
IV cefuroxime or cefotaxime or ceftriaxone.
If clinical features suggest staph... | 160,118 | medmcqa_train |
All of the following are advantages of paralleling technique except: | Advantage of Long Cone Technique:
1. Accuracy: The paralleling technique produces an image that has dimensional accuracy (A profile view of the tooth with buccal and lingual roots projected in their normal respective lengths as buccal and lingual cusps correctly related on the same plane); the image is very representat... | 160,119 | medmcqa_train |
Which muscle is attached to intra-articular disc of temporomandibular joint ? | Ans. is 'd' i.e., Lateral pterygoid Temporomandibular jointo It is a synovial, bicondylar joint between the mandibular fossa and articular tubercle of temporal bone above and the head of mandible below. The joint is completely divided into two compartments (upper and lower) by a fibro cortilaginous articular disc. Liga... | 160,120 | medmcqa_train |
Flowing wax appearance on anterior and posterior borders of veebrae is seen in - | Radiological features of DISH (Diffuse Idiopathic skeletal hyperostosis) : Flowing calcification and ossification along the anterolateral aspect of veebral bodies. - Flowing wax appearance Preserved disc space. Absence of bony ankyosis of facet joints,absence of sacroiliac bony erosion,sclerosis or bony fusion. | 160,121 | medmcqa_train |
A 4-year-old child presented with a palpable abdominal mass in the right flank region which was painless and slowly increasing in size along with some episodes of fever and hematuria. On examination, hypeension was noted. CT scan of the abdomen was done. The patient was operated and the mass was resected. The gross spe... | This is a case of Wilm's tumour. Wilms tumor is often associated with mutations in the WT1 gene, CTNNB1 gene, or AMER1 gene CT image shows a mass in the right kidney. Gross nephrectomy specimen shows a Wilms tumor pushing the normal renal parenchyma to the side. HPE image shows the characteristic three components: Mali... | 160,122 | medmcqa_train |
Which hormone increases with age ? | Ans. is 'c' i.e., FSHIncreasing age affects the hormonal secretion of body. | 160,123 | medmcqa_train |
Most common genetic mutation in Ca pancreas | MC genetic mutation in Ca pancreas/ Cholangiocarcinoma - KRAS > p-16 MC genetic mutation in Ca- GB - P53 > K-RAS MC genetic mutation in Ca stomach - P53 > COX - II | 160,124 | medmcqa_train |
Leukocyte alkaline phosphate is increased in all, except | Answer is B (CML): Leucocyte Alkaline phosphatase is decreased in CML (chronic myeloid leukemia) PNH (Paroxysmal nocturnal hemoglobinuria) | 160,125 | medmcqa_train |
The protein synthesis is soed out at/by | Main function of Golgi apparatus is protein soing, packaging, and secretion. Mitochondria are the powerhouse of cell. Detoxification of various drugs is an impoant function of ER. Ribosomes are involved in protein synthesis.Ref: DM Vasudevan - Textbook of Biochemistry for Medical Students, 7th edition, page no: 12 | 160,126 | medmcqa_train |
The below mentioned fundus shows presence of: | Ans. (a) Forster-Fuchs spots. | 160,127 | medmcqa_train |
Open fracture is treated by | C i.e. Debridement | 160,128 | medmcqa_train |
A 59 yr old man with severe myxomatous mitral regurgitation is asymptomatic,wi wia left ventricular ejection fraction of 45% and an endsystollic diameter index of 2.9cm/m2 . The most appropriate treatment is | Ref Harrison 19 th ed pg 1545 Valve repair for ischemic MR is associated with lower periopera- tive moality rates but higher rates of recurrent MR over time. In patients with ischemic MR and significantly impaired LV systolic function (EF <30%), the risk of surgery is higher, recovery of LV per- formance is incomplete,... | 160,129 | medmcqa_train |
Pregnant and lactating mothers need_____ mg of dietary calcium per day | Ans. d (1000 mg) (Ref. Park Textbook of PSM 22nd/pg.590; table 29)PREGNANCYLACTATION# Extra calories - 300,# Extra calories - 550 (0 to 6 months) 400 (6 to 12 months),# Extra proteins - 15 g,# Extra proteins - 25 gm (0 to 6 months) 18 gm (6 to 12 months),# Calcium 1000 mg/day,# Calcium 1000 mg/day, iron - 30 mg/day,# I... | 160,130 | medmcqa_train |
Most common malignancy in children is | Leukemia is most common malignancy in the pediatric age groupLeukemia/lymphoma =40% (ALL is more common than AML)CNS Tumor=30%Embryonal & Sarcoma=10%2nd most common is CNS Tumor (30%)(Refer: Nelson's Textbook of Pediatrics, SAE, 1st edition, pg no. 2437-2445) | 160,131 | medmcqa_train |
Blood loss in class III hemorrhagic shock | Class I - < 750 mL
Class II - 750 - 1500mL
Class III - 1500 - 2000mL
Class IV - 2000mL. | 160,132 | medmcqa_train |
Which of the following agents is recommended for treatment of Gastrointestinal Stromal Tumors (GIST) - | Ans. is 'b' i.e., Imatinib Tyrosine kinase inhibitors imatinib and sunitinib are approved for the treatment of Gastrointestinal Stromal Tumors (GIST) | 160,133 | medmcqa_train |
Drug causing impaired taste is | antibiotics, such as ACE inhibitors like <a class="content-link" style="-webkit-font-smoothing: antialiased; box-sizing: inherit; background-color: transparent; cursor: pointer; text-decoration-line: none; border-color: currentcolor; color: ;" href=" anhydrase inhibitors, such as methazolamide etc</li> ESSENTIALS of me... | 160,134 | medmcqa_train |
Down syndrome is due to non-disjunction of? | Ans. is 'a' i.e., 21 Chromosome In 95% of cases of Down syndrome-trisomy of 21:? Extra chromosome is of maternal in origin. 1% have mosaic with some all have 46 chromosome. 4% have robesonian translocation. t (13 21) o t (14 : 21) t (15 : 21) Very rarely long arm of chromosome 21 is triplicate (Paial trisomy). | 160,135 | medmcqa_train |
Secretin stimulation test used for - | Ans. is 'a' i.e., Gastrinoma Gastrin Provoking tests* Gastrin provocative tests have been developed in an effort to differentiate between the causes of hypergastrinemia.* The tests are the secretin stimulation test and the calcium infusion study.* The most sensitive and specific gastrin provocative test for the diagnos... | 160,136 | medmcqa_train |
A patient has Bullous Lesion; on Tzank smear | B i.e. Acantholysis | 160,137 | medmcqa_train |
Klatskin tumor: (Repeat) | Ans: B (Cholangiocarcinoma arising from bifurcation of bile duct) Ref: Benbrahim Z et al. Askin's tumor: a case report and literature review. World J Surg Oncol. 2013: 11: 10.Explanation:Cholangiocarcinoma arising from bifurcation of bile duct - Klatsin tumorLung adenocarcinoma involving apical region - Pancoast tumorA... | 160,138 | medmcqa_train |
TRUE about Vein of Labbe: | Superficial Middle Cerebral Vein communicates with the transverse sinus inferior anastomotic vein of Labbe. The Vein of Labbe is inferior (not superior) anastomotic vein, which crosses and anastomoses at its two ends with the Middle Cerebral Vein and the transverse sinus (not superior sagittal sinus). It drains its adj... | 160,139 | medmcqa_train |
Aldosterone regulates extracellular volume and potassium homeostasis by binding to its receptors present in all, EXCEPT: | Aldosterone regulates extracellular volume and potassium homeostasis by binding to renal coical collecting duct principal epithelial cell mineralocoicoid receptors. The mineralocoicoid receptor -- a member of the nuclear receptor family and also found in the hea, colon, and hippocampus -- is localized to the cytoplasm ... | 160,140 | medmcqa_train |
Disorders of phagocytosis are all, except: | Ans. (d) Wiskott-Aldrich syndrome Ref. Anantlumarayan 9/e, p 172 Disorders of phagocytosis Chronic granulomatous disease Myeloperoxidase deficiency Chediak-Higashi syndrome Leukocyte G6PD deficiency Job's syndrome Tuftsin deficiency Lazy leukocyte syndrome Hyper-IgE syndrome Actin binding protein deficiency Shwachman's... | 160,141 | medmcqa_train |
Consider the following characteristics of vaginal discharge in bacterial vaginosis : | Whiff test positive | 160,142 | medmcqa_train |
Which among the following is ANCA negative? | Ans: c (PAN) Ref: Robbins, 7th ed, p. 539 & Harrison, 16th ed, p. 2002"PAN has no association with ANCA"More about PAN:* Vasculitis of medium sized/small muscular arteries sparing pulmonary circulation* Characteristic -- All stages of inflammation coexist in different vessels.Microaneurysms (< 1 cm) - but not pathognom... | 160,143 | medmcqa_train |
Unmet need for contraception in a 35 years female is for ? | Ans. is 'b' i.e., Limiting bih Many women who are sexually active would prefer to avoid pregnancy, but neveheless are not using any method of contraception.These women are considered to have 'unmet need' for family planning.The concept is usually applied to married women.According to the National Family Health Survey-3... | 160,144 | medmcqa_train |
While shaving, a 45-year-old teacher notices a marble-sized mass beneath his left ear. The mass is eventually excised, revealing which of the following benign parotid gland lesions? | Papillary cystadenoma lymphomatosum /Wahin's tumor/Adenolymphoma Exclusively seen in parotid gland Derived from salivary tissue inclusion in lymph node More common in males Associated with smoking Only tumor to show hot spot on TC99m-Peecnate Histopathology Papillary cystic pattern lined with columnar oncocytes and cub... | 160,145 | medmcqa_train |
Substrate for gluconeogenesis include? | Only 5 amino acids are both glucogenic and ketogenic. Mnemonic - TTT I P Both glucogenic and ketogenic amino acids: Tryptophan Tyrosine Threonine, Isoleucine, Phenylalanine Note: there is a controversy regarding Lysine, some book says it is purely ketogenic some say it is both Ketogenic and glucogenic serine is only gl... | 160,146 | medmcqa_train |
Langerhans cells in skin are | Ans. is 'a' i.e., Antigen presenting cells | 160,147 | medmcqa_train |
Black eye is a type of- | Ans. is 'c' i.e., Ectopic bruise [Ref: Reddy 30th/ep. 167-168\o Site of bruise is at the site of impact most of the time however it may be away from the site of impact due to gravity shifting of blood, i.e., ectopic bruise. So, site of bruise does not always indicate site of violencet.o Example of ectopic bruise are : ... | 160,148 | medmcqa_train |
Umbilical cord attached to the margin of placenta: | Ans. (b) Battledore placentaRef. William's Obstetrics 23rd ed. Ch: 27* Normally, the cord usually is inserted at or near the center of the fetal surface of the placenta.* Cord insertion at the placental margin is sometimes referred to as a Battledore placenta. It is found in about 7% of term placentas.* Velamentous ins... | 160,149 | medmcqa_train |
Cataracts in a newborn is: | a zonular refkhurana 3rd/e p. 187 | 160,150 | medmcqa_train |
The causative agent of Lyme's disease: | Borrelia burgdorferi | 160,151 | medmcqa_train |
A patient presented with vomiting and ataxia. There were oxalate crystals in the urine. The patient was given ethanol and 4 methyl pyrazole for treatment. The likely diagnosis of the patient was? | Ans. (C) Ethylene glycol poisoning(Ref: Harrison 19/e p319)Symptoms of alcohol overdose along with oxalate crystalluria points towards ethylene glycol poisoning. It is confirmed because the patient is being treated with antidotes like ethanol and fomepizol (4 methyl pyrazole). | 160,152 | medmcqa_train |
Loeffler's syndrome is seen with all except : | Giardiasis Pulmonary diseases associated with tissue or blood eosinophilia are a heterogenous group of disorders. They are classified as : Loeffler's syndrome It is a benign acute eosinophilic pneumonia of unknown cause characterized by migrating pulmonary infiltrates and minimal clinical manifestations. These are usua... | 160,153 | medmcqa_train |
A 60-year-old woman presents with symptoms of weight loss, anxiety, and palpitations. On examination, she has a thyroid goiter. Which of the following is the most likely cardiac finding? | Thyroid disease may affect the heart muscle directly or there may be excessive sympathetic stimulation. Common symptoms of thyrotoxic heart disease include palpitations, exertional dyspnea, and worsening angina. Atrial fibrillation is particularly common in older individuals. | 160,154 | medmcqa_train |
Pedigree analysis - Analyze the following pedigree and give the mode of inheritance ? | Ans. is 'c' i.e., Mitochondrial inheritance i) Disease is manifesting in both males and females. ii) But, the disease is transmitting to next generation only by females (mother). Both these are characteristics of mitochondrial diseases. Mitochondrial diseaes o Mitochondria' DNA is the only non-chromosomal DNA in human ... | 160,155 | medmcqa_train |
Term cafe coronary was coined by - | Ans. is 'a' i.e., Roger Haugen "A popular term 'cafe coronary * was coined by Dr. Roger Haugen, Medical Examiner of Broward County, Florida for such impaction of food in the respiratory passage ".-- Krishan Vij | 160,156 | medmcqa_train |
Demyelinating disorder among the following is | Multiple sclerosis is a autoimmune disorder It leads to demyelination of myelinated nervefibers Ref:Guyton and Hall textbook of medical physiology 12th edition,page number:72,73 | 160,157 | medmcqa_train |
IL1 antagonist is - | Ans. is 'a' i.e., Anakinra Drugs used for Rheumatoid arthritisDisease modifying antirheumatic drugs (DMARDs)Biologic response modifier (BRMs)Adjuvant drugs1. Immunosuppresants - Methotrexate, azathioprine, cyclosporine2. Sulfasalazine3. Choloroquine or hydroxychloroquine4. Leflunomide5. Gold sod. thiomalate, Auranofin6... | 160,158 | medmcqa_train |
Direct filling gold formed by electrolytic precipitation is called by all the terms, EXCEPT: | Electrolytic Precipitate Gold
Another form of direct filling gold is microcrystalline gold powder formed by electrolytic precipitation, which is sandwiched between sheets of gold foil and formed into strips. It is also called mat or sponge gold.
Granular (Powdered) Gold
Gold powders in agglomerated form can also be pre... | 160,159 | medmcqa_train |
Predominant blood supply to the supraduodenal bile duct is from vessels: | Approximately 60% of the blood supply to the supraduodenal bile duct originates from the pancreaticoduodenal and retroduodenal aeries, whereas 38% of the blood supply originates from the right hepatic aery and cystic duct aery and 2 percent is non-axial.Ref: Gray's Anatomy (40th Edition), Pages 1177, 1185; Essentials o... | 160,160 | medmcqa_train |
Which of the following is not involved in intrinsic pathway? | Factor VII is required for the activation of Factor X in extrinsic pathway Ref: Ganong's Review of Medical Physiology Twenty-Third Edition Page No:533 | 160,161 | medmcqa_train |
General feility rate is a better measure of feility than the crude bih rate because the denominator includes | General feility rate is the number of live bihs per 1000 women in the reproductive are group ( 15-44 or 49 years) in a given year GFR = number of live bih in an area during the year X 1000/ mid year female population age group 15-44 (or 49) in the same area in same year General feility rate is a better measure of feili... | 160,162 | medmcqa_train |
Not a feature of Hartnup's disease: | c. Mental retardation(Ref: Nelson's 20/e p 636-642, Ghai 8/e p 653-655)Clinical features of Hartnup disease:Most children with Hartnup defect remain asymptomaticMajor clinical manifestation in symptomatic patient is cutaneous photosensitivity: pellagra-like rash on sun exposureSome patients may have intermittent ataxia... | 160,163 | medmcqa_train |
A 65-year-old chronic smoker presents with a rapidly enlarging large hilar mass on a chest film associated with significant adenopathy. He also experiences recurrent hypoglycemic spells these days. A provisional diagnosis of Lung carcinoma being considered which of the following subtype will most commonly lead to this ... | Small cell - Mediastinal adenopathy, - Hilar mass, - Small or invisibleftlung nodule, - High metastatic potential, - Rapid growth. - May be associated with Hypoglycemia, Cushing's syndrome, Inappropriate secretion of ADH, excessive gonadotropin secretion. | 160,164 | medmcqa_train |
Which is not a feature of non cirrhotic poal HT? | . | 160,165 | medmcqa_train |
Giardiasis is best diagnosed by: | Presence of both cysts and trophozoites in stools | 160,166 | medmcqa_train |
Biopsy of the parotid gland in Sjogren’s shows: | "The earliest histologic finding in both the major and the minor salivary glands is periductal and perivascular lymphocytic infiltration." (Ref: Robbins)
Sjogren Syndrome
It is an immune-mediated destruction of the lacrimal and salivary glands characterized by dry eyes {keratoconjunctivitis sicca) and dry mouth (xeros... | 160,167 | medmcqa_train |
The disease for which vaccination ceificate is required for international travel is - | All travellers including infants exposed to the risk of yellow fever or passing through an endemic zones of yellow fever should possess a valid international ceificate of vaccination against yello fever before they are allowed to enter yellow fever receptive areas. Reference; Park&;s Textbook of preventive and social m... | 160,168 | medmcqa_train |
24 hours after fever, maculopapular rash and erythema appears on the face of infant. This organism can also cause | It’s caused by Parvo B19 virus, and it causes the following diseases
Erythema infectiosum
Fifth disease.
Slapped cheek appearances.
Arthropathy.
Transient Aplastic crisis.
Hydrops fetalis (most sensitive period 2nd trimester)
Myocarditis.
PPGSS
Papular - Purpuric Gloves & Stock Syndrome.
Transient Aplastic Crisis
... | 160,169 | medmcqa_train |
Which of the following is not a bronchodilator | Classification: bronchodilators: beta 2 agonists anticholinergics and methylxanthines like caffeine and theophylline ref KD Tripathi 8th ed | 160,170 | medmcqa_train |
Difference between contusion and post-moem lividity is that post-moem lividity- | The synopsis of forensic medicine & toxicology;Dr k.s narayan reddy; 28th edition;pg.no. 88; Contusion or bruises are not washable but postmoem lividity is washable. Also refer page no.106 | 160,171 | medmcqa_train |
Fomepizole acts as antidote for ? | Ans. is 'a' i.e., Methanol poisoning Methanol is highly toxic alcohol. It is metabolized to formaldehyde (by alcohol dehydrogenas) and formic acid (by acetaldehyde dehydrogenase). It is the accumulation of formic acid which causes toxic effects in methanol poisoning. Accumulation of formic acid results in lactic acidos... | 160,172 | medmcqa_train |
Chancroid is caused by? | Ans:A.)H. Ducrei CHANCROID (SOFT SORE) This venereal infection is caused by the Gram-negative bacillus Haemophilus ducreyi. One to 5 days post-infection, a soft sloughy ulcer appears on the penis or vulva. The treatment of choice is erythromycin (500 mg 6-hourly for 14 days). | 160,173 | medmcqa_train |
Pentavalent immunoglobin is - | Ans. is 'c' i.e., IgiMValency of antibodyo The valency of antibody refers to the number of antigenic determinants that an individual antibody molecule can bind.o The valency of all antibodies is at least two and in some instances more.AntibodyValencyIgG2IgA2,4IgM10IgD2IgE2Though the theoretical valency of Ig M is ten, ... | 160,174 | medmcqa_train |
BCR ABL gene mutation is seen in ? | ANSWER: (A) CMLREF: Robbins 7th ed p. 697BCR gene on chromosome 9 gets translocated to ABL gene on chromosome 22 leading to the formation of a fusion protein with a tyrosine kinase activity. | 160,175 | medmcqa_train |
T helper cells recognizes - | MHC restriction
T cells (in contrast to B cells) cannot be activated by soluble antigens.
Therefore, presentation of processed antigen by antigen presenting cells is required for induction of cell mediated immunity.
T cell receptors recognizes peptide antigens that are displayed by major histo compatibility complex (M... | 160,176 | medmcqa_train |
Most sensitive test for detection of argemone oil? | Ans. is 'b' i.e., Paper chromatography o Paper chromatography is the most sensitive test. o Note : In previous question, paper chromatography was not there in options, therefore the answer was nitric acid test. | 160,177 | medmcqa_train |
Prostaglandin inhibiting action of Aspirin is useful in the treatment of all of the following conditions except | Inhibition of prostaglandin synthesis is responsible for analgesia, antipyretic, anti-inflammatory and antiplatelet action of aspirin. this action is also utilised in the treatment of PDA. high doses of Aspirin causes uricosuria various therapeutic doses result in hyperuricemia these effects are and related to its acti... | 160,178 | medmcqa_train |
Dermatological sign of carcinoma stomach is? | ANSWER: (C) Acanthosis NigransREF: Fitz Patricks Dermatology 6th Edition Page 1612, Harrison's 18th ed chapter 53Indirect repeat Dermatology 2008,2003 (See table of TYPES AND CAUSES OF ACANTHOSIS NIGRICANS) 8t Surgery June 2009 | 160,179 | medmcqa_train |
Which one of the following statements best describe pseudoaneurysm | Pseudoaneurysm Wall is not formed by all the three layers Pseudoaneurysms can arise from Primary defects in the aoic wall (e.g -After trauma or contained aneurysm rupture) Anastomotic or cannulation site leaks that occur after cardiovascular surgery. Anastomotic pseudoaneurysms can be caused by Technical problems Deter... | 160,180 | medmcqa_train |
'Brush burn' is | Ans. a (An abrasion) (Ref. FMT by Reddy. 27th/ Pg. 145 & FMT by Krishan Vij 4th/Pg. 282-283).# An abrasion (or a graze) is a superficial injury involving only the outer layers of the skin and not penetrating the full thickness of the epidermis.# A graze is an injury, which is produced when a broad surface of the skin s... | 160,181 | medmcqa_train |
Characteristic feature of nephritic syndrome in children - | Ans. is 'c' i.e., RBC casts in urine Acute nephritic syndrome o Nephritic syndrome is a collection of signs associated with disorders affecting the kidneys, more specifically glomerular disorders and is characterized by haematuria, protenuria, hypeension, edema and oliguria. 1. Haematuria The haematuria is slight givin... | 160,182 | medmcqa_train |
A 24-year old woman notices increasing shortness of breath after recent treatment for right lower lobe pneumonia. She has no fever, cough, or sputum production. On examination, the pertinent findings are decreased fremitus, dullness on percussion, and absent breath sounds of the right lower lung. In addition, the trach... | Careful physical examination can be very useful in diagnosing many common pulmonary disorders. Atelectasis and large pleural effusions both can present with decreased fremitus, dullness or flatness to percussion, and absent breath sounds. In atelectasis, tracheal shift, if present, is toward the affected side, and the ... | 160,183 | medmcqa_train |
6 years old girl with vaginal spotting. Diagnosis is – | A foreign body is commonly responsible for vaginal bleeding in pediatric patients. | 160,184 | medmcqa_train |
McNaughton's rule is related to: | - Mc Naughton's rule is related to Criminal responsibility of Insane person - Sec. 84 IPC also deals with the Criminal responsibility of Insane person Section 84 IPC embodies McNaughton rules as follows: "Nothing is an offence which is done by a person who, at the time of doing it, by reason of unsoundness of mind, is ... | 160,185 | medmcqa_train |
How many vascular segments are present in each kidney? | Ans. is 'c' i.e., 5o Renal artery Right renal artery is longer and passes behind I VC. Renal artery divides into : -Posterior division :- Supplies posterior segment.Anterior division :-Divides further into 4 branches to supply apical, upper anterior, middle anterior and lower segments.o Thus, there are five vascular se... | 160,186 | medmcqa_train |
Why are rounded internal line angles desirable in the preparation of amalgam restorations in primary teeth? | They decreases internal stresses in the restorative material.
Due to the small size of primary molars and, therefore, small restorations as well, it is helpful to reduce stresses within the restorative material. It has been demonstrated that rounded internal line angles aid in reducing stress when compared to sharp int... | 160,187 | medmcqa_train |
Bence Jones proteins are best described as: | Ans. is 'c' i.e., Kappa and Lambda chains (Ref: Ananthanarayan, 9th/e, p. 99 and 8th/e, p. 100)* A Bence Jones protein is a monoclonal globulin protein or immunoglobulin light chain found in the urine, with a molecular weight of 22-24 kDa. Detection of Bence Jones protein may be suggestive of multiple myeloma or Walden... | 160,188 | medmcqa_train |
Dichotomy means - | Dichotomy means fee splitting or bribery or commissioning.
Receiving commissions on referral of a patient to a doctor or forwarding commissions, both are included under dichotomy.
Dichotomy is infamous conduct as defined under the rules and regulations of MCI, 2002.
If a doctor repeatedly indulges in dichotomy, a warni... | 160,189 | medmcqa_train |
DNA of HBV is? | Ans- D Ref 1 - Although HBV is among the smallest viruses in terms of virion and genome size, it has numerous unique features that make it completely distinct from other DNA viruses. It has a partially double stranded DNA with highly complex genome organization, life cycle and natural history. Remarkably distinct from ... | 160,190 | medmcqa_train |
A 5-week-old male infant is born without a thymus or inferior parathyroid glands. Which of the following pharyngeal arches is most likely involved? | Absence of the thymus and inferior parathyroid glands would be due to defective development of the third pharyngeal pouch, their normal site of origin. The first pouch gives rise to the tympanic membrane and cavity. The second pouch gives rise to the palatine tonsils and tonsillar sinus. The fourth pharyngeal pouch giv... | 160,191 | medmcqa_train |
Pompholyx affects: | Ans. d. Palm & solesPompholyx is a form of recurrent palmoplantar eczema with firm deep-seated vesicles on sides of finger giving sago grain or tapioca like feel | 160,192 | medmcqa_train |
Best quality proteins are found in highest quantities in – | Rice proteins are richer in lysine than other cereal proteins, and for this reason, rice protein is considered to be a better quality. | 160,193 | medmcqa_train |
Jet black pigmentation of tongue with tactile hallucination is a feature of which substance use | Chronic cannabis use can lead to jet black pigmentation of tongue. And patients may also have feeling of insects crawling under the skin also known as magnan phenomenon. | 160,194 | medmcqa_train |
SIADH -- all are features except, | Low blood pressure due to volume depletion The serum sodium concentration is normally regulated by ? The balance of water intake. Renal excretion of sodium and ADH mediated water conservation by distal renal tubule. These processes are mediated by ? Stimulation of thirst Secretion of ADM Feedback mechanisms of the reni... | 160,195 | medmcqa_train |
The following statements regarding Turner syndrome are true except - | Occurence of Turner syndrome is not affected by maternal age. It is Down's syndrome which is affected by maternal age (Risk of Down's syndrome increases after 35 yrs. of maternal age*) | 160,196 | medmcqa_train |
A 33-year-old man presents at OPD complaining of fever and headache. On examination, he had leukopenia and increased liver enzymes, and inclusion bodies were seen in his monocytes. History revealed that he went on camping and remembered removing a tick from his leg. Which of the following diseases is most likely causin... | All the listed diseases except Q fever are tick-borne. The rickettsia C. burnetii causes Q fever, and humans are usually infected by aerosol of a sporelike form shed in milk, urine, feces, or placenta of infected sheep, cattle, or goats. Lyme disease is caused by a spirochete, Borrelia burgdorferi, and produces the cha... | 160,197 | medmcqa_train |
The causative agent of Primary Amoebic Meningoencephalitis is: | (C) Naegleria fowleri # Human infection of naegleria comes from water containing the amoebae and usually follows swimming or diving in ponds.> Patients are mostly previously healthy young adults and children.> The amoebae invade the nasal mucosa, pass through the olfactory nerve and initiate an acute meningitis and enc... | 160,198 | medmcqa_train |
Adult polycystic kidney disease is inherited:March 2005 | Ans. D: Autosomal dominantAutosomal dominant polycystic kidney disease (ADPKD) is one of the most common inherited disorders. It is the most frequent genetic cause of renal failure in adults,It is a multisystemic and progressive disorder characterized by the formation and enlargement of cysts in the kidney and other or... | 160,199 | medmcqa_train |
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