query stringlengths 1 1.57k | pos stringlengths 1 22.5k | idx int64 0 161k | task_name stringclasses 1
value |
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Commonest cause of bronchiolitis: | Ans: a | 20,700 | medmcqa_train |
Staphylococcus differes from streptococcus by ? | . Coagulase test is used to differentiate the different species of staphylococci (staph aureus, staph. epidermidis). . Catalase test is used to differentiate staphylococci from streptococci. . Coagulase test cannot be used to differentiate streptococci from staphylococci because ceain species of staphylococci are coagu... | 20,701 | medmcqa_train |
Section 53 CrPC is- | Ans. is `b' i.e., An accused can be examined by a medical practitioner at request of police, even without his consent or by force Section 53, CrPC: A registered medical practitioner can examine a person who is arrested on a charge of anoffence using reasonable force, if requested by a police officer not below the rank ... | 20,702 | medmcqa_train |
The most common type of emphysema associated with alpha-1 antitrypsin deficiency? | Ans. C. Panacinar.(Ref. H-17th/pg. 1638)EMPHYSEMA# Emphysema is characterized by destruction of gas-exchanging airspaces, i.e., the respiratory bronchioles, alveolar ducts, and alveoli. Their walls become perforated and later obliterated with coalescence of small distinct airspaces into abnormal and much larger airspac... | 20,703 | medmcqa_train |
True statement about streptococcus faecalis is | The enterococcus(enterococci or faecal streptococci) can grow in the presence of 40% bile, 6.5% NaCl, at pH 9.6 at 45-degree Celsius and in 0.1% methylene blue milk. Reference: Textbook of Microbiology; Anathanarayan and panicker's; 10th edition; Page no: 219 | 20,704 | medmcqa_train |
All of the following are features of pheochromocytoma except- | respiratory complications are less compared to cardiovascular symptoms which include palpitation, tachycardia, hypeension, cardiomyopathy ( Harrison 17 pg2271) | 20,705 | medmcqa_train |
The major venous return of the hea, the coronary sinus, empties into | The coronary sinus empties directly into the right atrium (like IVC, SVC) near the conjunction of the posterior interventricular sulcus and the coronary sulcus.Reference: Chaurasia; 6th edition | 20,706 | medmcqa_train |
Which is the most common nephropathy associated with malignancy? | Membranous nephropathy can be associated with tumors of the colon, lung and hematological malignancies like chronic lymphocytic leukemia | 20,707 | medmcqa_train |
Which of the following has least minimum infective dose(MID) required for causing infection: | Ans. (c) Shigella dysentery "Shigella cause bacillary dysentery. Infection occur by ingestion. The minimum infective dose is low: as few as I0-I(N bacilli are capable of initiating the disease, probably because they survive gastric acidity better than other enterobacter"- Ananthanarayan. | 20,708 | medmcqa_train |
Guillain-Barre' syndrome (GBS) commonly associated with | (B) Campylobacter # GUILLAIN-BARRI- SYNDROME (GBS) is a rapid-onset muscle weakness caused by the immune system damaging the peripheral nervous system.> Initial symptoms are typically changes in sensation or pain along with muscle weakness, beginning in the feet and hands.> This often spreads to the arms and upper body... | 20,709 | medmcqa_train |
A 30-year-old multiparous female complains of a painless ulcer in vulva. She has several sexual partners. Her previous pregnancy has ended in a still birth at 24 weeks. What is the first test, which should be performed in this case: | Ans is b, i.e. VDRL TestRef: Dutta Gynae 6th/ed, p262The female is presenting with a single painless ulcer, she has multiple sex partners and her pregnancy resulted in still birth at 24 weeks. All this points towards syphilis as the diagnosis.The first test to be performed in this case is VDRL test (screening test).Con... | 20,710 | medmcqa_train |
The primary action of Nitric oxide (NO) in the gastrointestinal tract is - | Ans. is 'c' i.e., Gastrointestinal smooth muscle relaxation "Nitric oxide (NO) seems to be involved as neurotransmitter in nonadrenergic noncholinergic (NANC) smooth muscle relaxation thoughout the gastrointestinal tract". --Interneto This question is a direct repeat from All-India 2010.Actions of NOo NO has following ... | 20,711 | medmcqa_train |
Which of the following is a mood stabilizer? | Ans: a (Lithium) Ref:Katzung, 10th ed, p 455Lithium carbonate is often referred to as an "antimanic" drug, and is considered a "mood-stabilizing" agent because of its primary action of preventing mood swings in patients with bipolar affective (manic-depressive) disorder. Concentrations considered to be effective and ac... | 20,712 | medmcqa_train |
A female comes in OPD with a breast lump. After careful history and examination, breast biopsy is suggested by a senior resident doctor. Find out the TRUE statement about the surgical wound inflicted during the procedure: | Prophylactic systemic antibiotics are not indicated for patients undergoing low -risk, straightforward clean surgical operations in which no obvious bacterial contamination or inseion of a foreign body has occured. SSi risk has traditionally correlated to wound class. The accepted range of infection rate has been 1% to... | 20,713 | medmcqa_train |
Bezold abscess is located in - | Ans. is 'b' i.e., Sternocleidomastoid muscle Abscesses related to mastoid infectiono Acute mastoiditis can be complicated by following abscesses : -Postauricular abscess : - This is the commonest subperiosteal abscess associated with acute mastoiditis, It occurs lateral to the cortex of mastoid in MacEwren's triangle.B... | 20,714 | medmcqa_train |
Niemann - Pick disease is due to deficiency of which of the following enzymes? | Deficient enzyme Disease Acid Sphingomyelinase Niemann pick disease Hexosaminidase A Tay-sachs disease Ceramidase Farber disease Arylsulfatase B Maroteaux - Lamy syndrome | 20,715 | medmcqa_train |
The prostatic urethra is characterized by all of the following features, except | The prostatic urethra, the widest and most dilatable pa of the urethra canal, is about 3 cm. long The transverse section of this canal is shaped like a horse-shoe. Its convex pa is directed towards the front. | 20,716 | medmcqa_train |
Nonprogressive contraction of esophagus are: | Ans. (c) TertiaryRef: Sabiston 19th Edition, Page 1019* Primary and secondary peristalsis are normal* Tertiary peristalsis is abnormal | 20,717 | medmcqa_train |
Chediak Higashi disease is characterized by the following except? | Ans. A. Neutrophilia. (Ref, Robbing pathology 8th/pg. 154)Befects, Phauocytzc,CellsDiseaseMolecular Defect(s)SymptomsChronic granulomatous disease (C6D)Deficiency of NADPH oxidase (any one of four component proteins), failure to generate superoxide anion, other O2 radicalsRecurrent infections with catalase-positive bac... | 20,718 | medmcqa_train |
Following genetic counselling in a family for Familial polyposis coli (FPC) next screening test is | Ans. is 'd' i.e. APC gene Schwartz writes - "Flexible sigmoidoscopy of first-degree relatives of FAP (Familial adenomatous polyposis) patients beginning at age 10 to 15 years has been the traditional mainstay of screening. Today following genetic counselling, APC gene testing may be used to screen family members provid... | 20,719 | medmcqa_train |
Hurthle cells are characteristically seen in which of the following thyroid disease? | (A) Hashimoto's thyroiditis Robbins8 - 1112, 1113; Robbins7 - 1169]# Hurthle cell is a cell in the thyroid that is often associated with Hashimoto's thyroiditis as well as follicular thyroid cancer Histology: Hurthle cells are characterized as enlarged epithelial cells with abundant eosinophilic granular cytoplasm as a... | 20,720 | medmcqa_train |
Waterfall effect is seen in: | Perfusion zones of lung: The lung is divided into three perfusion zones depending on the relationship between alveolar pressure (PA), pulmonary aerial pressure (Pa) and pulmonary venous pressure (Pv). Zone I: Refers to area of zero flow, region that does not receive blood flow. It occurs when pulmonary aerial pressure ... | 20,721 | medmcqa_train |
A condon consists of - | B i.e. 3 consecutive nucleotide unit | 20,722 | medmcqa_train |
Which of the following is the causative agent of STD disease donovanosis? | Granuloma inguinale/donovanosis-caused byKlebsiella granulomatis. Small, painless nodules appear after about 10-40 days of the contact with the bacteria. Later, the nodules burst, creating open, fleshy, oozing lesions. The lesions occur at the region of contact typically found on the shaft of the penis, the labia, or t... | 20,723 | medmcqa_train |
Which of the following is not a type of balance in complete denture occlusion. | Apart from other options, unilateral lever balance is a type of balance in complete denture occlusion. | 20,724 | medmcqa_train |
Products of Phospholipase C are - | Ans. is 'b' i.e., Inositol triphosphate and Diacylglycerol* IP3 or Inositol triphosphate and DAG or Diacylglycerol are second messengers formed from Phosphatidyl inositol diphosphate (PIP2) by the action of Phospholipase C* Has been explained in NEET Dec-16 | 20,725 | medmcqa_train |
Using a small fine probe, single lactiferous duct is excised. What is the name of the procedure: | Microdochectomy: Small fine probe inseed into duct Peri-areolar incision is made By dissecting nipple flap, duct is excised Done for duct papilloma Hadfield operation: Conical excision of major ducts Done for duct ectasia | 20,726 | medmcqa_train |
Wof gland is impacted in Fox Fordyce disease | Fox-Fordyce Disease * Chronic pruritic disorder of the apocrine glands due to obstruction and dilation * Intensely pruritic, dome-shaped flesh-colored follicular papules in axillae, +- anogenital and periareolar skin Treatment:- Topical and intralesional coicosteroids, topical tretinoin, cleocin lotion. Ref:- Sima Jain... | 20,727 | medmcqa_train |
A 75-year-old woman with rheumatoid arthritis (RA) takes aspirin for symptom control. She usually adjusts the dose of her own medications depending on how she is feeling.For the above patient with a toxic ingestion or exposure, select the most likely clinical effect. | Salicylates are associated with vertigo, hyperventilation, tinnitus, and deafness. Excretion of salicylates is renal, and in the presence of normal renal function, about 50% will be excreted in 24 hours. Severe toxicity can cause severe acid-base abnormalities. It can be difficult to diagnose when the toxicity is secon... | 20,728 | medmcqa_train |
The etiologic factor implicated in the development of pulmonary insufficiency following major nonthoracic trauma is | Posttraumatic pulmonary insufficiency in the absence of significant thoracic trauma has been attributed to a wide variety of etiologic agents, including aspiration, simple atelectasis, lung contusion, fat embolism, pneumonia, pneumothorax, pulmonary edema, and pulmonary thromboembolism. In a landmark monograph entitled... | 20,729 | medmcqa_train |
What is the cause of tetany in patients with hyperventillation ? | Low levels of carbon dioxide cause tetany by altering the albumin binding of calcium such that the ionized (physiologically influencing) fraction of calcium is reduced; one common reason for low carbon dioxide levels is hyperventilation. Low levels of magnesium can lead to tetany Hypocalcemia is the primary cause of te... | 20,730 | medmcqa_train |
In IgA nephropathy (Berger's disease), there are ? | Ans. is 'c' i.e., Mesangial deposits | 20,731 | medmcqa_train |
Gray hepatization of lungs is seen on day: | 5-Mar | 20,732 | medmcqa_train |
All of the following acute myeloid leukaemia are diagnosed regardless of blast count Except | WHO classification mandates diagnosis of AML only when >20% blasts are present in the marrow. However, in the following three scenarios, this is overruled and AML may be diagnosed even if blast count is <20%.AML with t(8;21)AML with t(15;17)AML with inv (16) or t(16;16) | 20,733 | medmcqa_train |
Virulence or pathogenicity of pneumococcus depends upon- | Ans. is 'a' i.e., Capsular polysaccharide | 20,734 | medmcqa_train |
The proportional mortality rate is | Note: Proportional mortality rate measures the burden of disease.
Others are crude death rates. | 20,735 | medmcqa_train |
Medullary carcinoma thyroid arises from ? | Ans. is 'a' i.e., Parafollicular cells The unique feature of Medullary carcinoma thyroid is that unlike other carcinomas of thyroid they are not derived from the cells of the thyroid follicle, instead they are derived from calcitonin secreting parafollicular cells (C cells) which are neural crest derivatives. Thyroid n... | 20,736 | medmcqa_train |
Nohern blotting is used for analysis of | To demonstrate specific RNA The total RNA is isolated from the cell, electrophoresed and then blotted on membrane Probed with radioactive cDNA There will b RNA-DNA hybridization Used to detect the gene expression in a tissueRef: DM Vasudevan, 7th edition, page no: 634 | 20,737 | medmcqa_train |
Total skin electron irradiation is used for of | B i.e. Mycoses fungoides Mycosis fungoides is an indolent cutaneous T - cell lymphomaQ with patients often having several years of eczematous or dermatitis skin lesion before the diagnosis is finally established. But the disorder is inevitably fatalQ, although the rate of progression is quite variable. Mycosis Fungoide... | 20,738 | medmcqa_train |
Salk polio vaccine is ? | Ans. is 'a' i.e., Killed Inactivated polio (Salk) vaccine IPV is usually made from selected wild polio virus (WPV) strains-namely, Mahoney (Salk type 1), MEF-1 (Salk type 2) and Saukett (Salk types) - that are grown in vero cell culture or in human diploid cells. Vaccine contains all the three types of poliovirus, inac... | 20,739 | medmcqa_train |
Chorioretinitis is caused by - | Toxoplasmosis is known to produce necrotising chorioretinitis. Systemic toxoplasmosis occurs in humans in two forms: congenital and acquired. 1. Congenital toxoplasmosis:The characteristic triad of congenital toxoplasmosis includes: convulsions, chorio-retinitis and intracranial calcification. 2. Acquired toxoplasmosis... | 20,740 | medmcqa_train |
Right lung is seen to best advantage on the following views: | Ans. Left anterior oblique | 20,741 | medmcqa_train |
Most sensitive diagnostic test for ectopic pregnancy: | Ans. (a) Transvaginal USGRef: D.C. Dutta 8th ed. / 212, Williams obst. 21st ed.l 892Diagnosis of Ectopic Pregnancy* Most definite diagnosis of pregnancy is by demonstrating intrauterine sac.* An absence of the intrauterine sac in a patient who is complaining of pain, bleeding and positive pregnancy test raise the suspi... | 20,742 | medmcqa_train |
All is true about Giant cell aeritis except ? | Ans. is 'c' i.e., Most commonly involved aery is abdominal aoao It is the most common form of systemic vasculitis in adults, is an acute and chronic, often granulomatous, inflammation of aeries of large to small size.o It affects principally the aeries in the head-especially the temporal aeries-- but also the veebral a... | 20,743 | medmcqa_train |
True about CPAP all except aEUR' | Used prophylactically in baby born with <1 kg wt or < 28 week gestation According to Indian Journal of pediatrics Early cPAP in respiratory distress syndrome It is impoant to note that cPAP helps mainly by preventing the alveolar collapse in infants with surfactant deficiency. Once atelactasis and collapse have occurre... | 20,744 | medmcqa_train |
Neostigmine antagonizes non-depolarizing blockade by all of the following mechanisms EXCEPT | Neostigmine, sold under the brand name Prostigmin among others, is a medication used to treat myasthenia gravis, Ogilvie syndrome, and urinary retention without the presence of a blockage. It is also used together with atropine to end the effects of neuromuscular blocking medication of the non-depolarizing type. | 20,745 | medmcqa_train |
All of the following are side effects of growth hormone (supplements) therapy except | Ans. c. Hypoglycemia | 20,746 | medmcqa_train |
Arch of Aorta is derived from all except - | Ans. is 'd' i.e., Left 2nd arch artery Development of major arteriesBlood vesselDevelopment componentsAscending aortaTruncus arteriosusArch of aorta1. Left horn of aortic sac2. Left 4th arch artery3. Left dorsal aortaDescending aorta1. Left dorsal aorta beyond 7th cervical intersegmental artery2. Fused dorsal aortaeBra... | 20,747 | medmcqa_train |
A tableau was held in a village to educate the villagers about early detection of oral cancer. This type of health education is called: | Role-playing / Sociodrama:
The size of the group should be about 25. The audience should take an active part by suggesting alternative solutions and even by taking part in the drama.
The situation is dramatized to make communication more effective.
It is followed by a discussion of the problem.
Puppet shows used in v... | 20,748 | medmcqa_train |
Which of the following is treatment of choice for Wegener's granulomatosis: | Ans. B: Steroids Management of systemic vasculitis (which includes Wegener's granulomatosis) is with high dose coicosteroids and immunosuppressives Wegener's granulomatosis: Necrotizing vasculitis of small aeries and veins together with granuloma formation that can be either intravascular or extravascular Lung involvem... | 20,749 | medmcqa_train |
All are included in diagnostic criteria of somatization disorder except - | Ans. is 'd' i.e., Visual symptomsSomatization disordero The essential features of somatization disorder are multiple recurrent somatic symptoms of long duration (chronic) that are caused by psychological basis and no physical illness can be found.o The disorder begins before the age of 30 years and then has a chronic c... | 20,750 | medmcqa_train |
Stages of Anaesthesia were established by : | Ans. is 'a' Ether Guedel's staging of Anaesthesia was given for EtherStage of Anaesthesia are as follows*Stage I - Analgesia*Stage II - Delirium or excitement*, partially dilated pupilStage III - Stage of Surgical AnaesthesiaIt is divided in 4 stagesMoving eye to fixed eyeCorneal & laryngeal reflex lostLight reflex los... | 20,751 | medmcqa_train |
A moribund patient who is not expected to survive without an operation is put under which category as per the ASA Physical status classification system? | ASA Physical Status Classification System P1 A normal healthy patient P2 A patient with mild systemic disease P3 A patient with severe systemic disease P4 A patient with severe systemic disease that is a constant threat to life P5 A moribund patient who is not expected to survive without the operation P6 A declared bra... | 20,752 | medmcqa_train |
Which of the following is given as live oral vaccine ? | Ans. is 'c' i.e., Typhoid | 20,753 | medmcqa_train |
True about Stage III B Endometrial Carcinoma | Endometrial cancer stage III: Stage IIIA: Involvement of uterine serosa and/ or adnexa Stage IIIB: Involvement of vagina and/or parametrium Stage IIIC: IIIC1: Positive Pelvic nodes IIIC2: Positive Paraaoic nodes with or without positive pelvic nodes Positive peritoneal cytology doesn&;t alter the stage Ref: FIGO SURGIC... | 20,754 | medmcqa_train |
Food poisoning with incubation period of 1-6 hours is most probably caused by | (D) Staphylococcus aureus | 20,755 | medmcqa_train |
Which is the most common inherited bleeding disorder? | Von Willebrand disease (vWD) is the most common inherited bleeding disorder. It has an autosomal dominant inheritance. The hallmark of von Willebrand disease is defective platelet adhesion to sub-endothelial components caused by a deficiency of the plasma protein vWf. | 20,756 | medmcqa_train |
In an agreement between SpO2 of two groups with and without micropore in a pediatric population the values spotted is as below. Which of the following is true? | (d) The curve shows a regression line means co-relationBLAND-ALTMAN PLOT* Difference plot* A graphical method to compare two measurements techniques* The differences/ratios between the two techniques are plotted against the averages of the two techniques* Alternatively the differences can be plotted against one of the ... | 20,757 | medmcqa_train |
The nutritive value of diet is greatly enhanced by inclusion of fish in diet. Which of the following nutrient is deficient in fish? | Fish is nutritious food rich in proteins (15-25%). The fat of fish is rich in unsaturated fatty acids and A and D vitamins. Fish bones are rich in calcium, phosphorus and fluorides. Fish are less rich in iron (0.7-3 mg/100 g) than meat. Freshwater fish do not contain iodine, but sea fish do. There is practically no car... | 20,758 | medmcqa_train |
Man is definitive host for - | W.bancrofti passes its life cycle in two host Man -definite host Mosquito-intermediate host The adult worms are harboured in the lymphatic system of man. The lymph provides nutrition to adult worms (refer pgno:166 baveja 3 rd edition) | 20,759 | medmcqa_train |
True about migraine | K.D Tripathy essentials of medical pharmacology 7th edition . *Migraine is a mysterious disorder characterised by pulsating headache ,usually restricted to one side ,which comes in attacks lasting 4-48 hours and is often associated with nausea,vomiting,sensitivity to light and sound,veigo,loose motion,flashes of light.... | 20,760 | medmcqa_train |
The active form of vitamin A is: | Ans. B. Retinol. (Ref. Harper's Biochem 27th/Ch. 44; Harrison 18th/Ch. 74; Robbin's fig.9-22).Vitamin A, in the strictest sense, refers to retinol. However, the oxidized metabolites, retinaldehyde and retinoic acid, are also biologically active compounds. The term retinoids includes all molecules (including synthetic m... | 20,761 | medmcqa_train |
Presence of maggots at post moem indicates : | A i.e. Duration since death | 20,762 | medmcqa_train |
Vasopressin is synthesized in the: | Vasopressin.
Vasopressin, also called antidiuretic hormone, is even more powerful than angiotensin II as a vasoconstrictor, thus making it one of the body’s most potent vascular constrictor substances. It is formed in nerve cells in the hypothalamus of the brain but is then transported downward by nerve axons to the po... | 20,763 | medmcqa_train |
All may lead to hives and wheels except | D i.e. Typhoid fever Typhoid, rubella and rubeola (measles) leads to morbilliform - exanthems (not to uicaria or hives)Q | 20,764 | medmcqa_train |
All of the following muscles are supplied by recurrent laryngeal nerve except: | Nerve Supply of muscles of larynx:
Motor Nerves
Recurrent laryngeal nerve supplies posterior cricoarytenoid, lateral cricoarytenoid, transverse and oblique arytenoid, aryepiglottic, thyroarytenoid, thyroepiglottic muscles.
It supplies all intrinsic muscles except cricothyroid.
External laryngeal nerve only supplies t... | 20,765 | medmcqa_train |
Benign Prostatic hyperophy results in obstruction of the urinary tract. The specific condition is associated with enlargement of the: | Median lobe of prostate is prone to development of BPH. Posterior lobe of prostate is prone to development of malignancy. Ref: Snell's Clinical Anatomy, 7th Edition, Page 381 | 20,766 | medmcqa_train |
Which of the following are derived from mesoderm? | Ans. c (Microglia). (Ref. Human Embryology by IB Singh, 6th ed., 352).CNS/PNS cells:AstrocytesPhysical support, repair, K+ metabolism; help maintain blood-brain barrier. Astrocyte marker--GFAP.MicrogliaCNS phagocytes. Mesodermal origin. Not readily discernible in Nissl stains. Have small irregular nuclei and relatively... | 20,767 | medmcqa_train |
For transplantation, cornea is preserved in | KERATOPLASTY or CORNEAL GRAFTING Corneal preservation techniques: 1) Sho term preservation in moist chamber or Mc Carey Kaufmann medium refrigerated at 2 -8degC requires the cornea to be used with in 48-72 hrs. 2) Intermediate term preservation in medium containing chondroitin sulphate refrigerated at 2-8degC for 7 - 1... | 20,768 | medmcqa_train |
Impoant factor for discordant growth between twins is: | Twin to twin transfusion | 20,769 | medmcqa_train |
Bradykinin is for all ; except | Increases vascular permeability
Arteriolar dilation
Bronchial smooth muscle contraction
Pain at the site of injections/inflammation
Since increased vascular permeability is the most characteristic feature of acute inflammation, some people were of the opinion that this could be single best option to be marked presumin... | 20,770 | medmcqa_train |
Viral myocarditis is caused by: | (Coxsackie virus): Ref: 1413-15-H (1486-87-H17th)* Most commonly by virus especially coxsackievints-BInfective agentsA. Viral (coxsackievirus A & B, echovirus, mumps, hepatitis adenovirus, HIV)B. Pyogenic (Pneumococcus, streptococcus, staphylococcus, Neisseria, Legionella)C. TuberculosisD. Fungal (Histoplasmosis, cocci... | 20,771 | medmcqa_train |
Secondary messengers include: | A i.e. c-AMP; B i.e. IP3; C i.e. Diacylglycerol | 20,772 | medmcqa_train |
The following classification is used to estimate nerve injury: | Seddons classification is used to estimate the nerve injury According to this classification nerve injury is divided into 3 grades Ref:Guyton and Hall textbook of medical physiology 12th edition,page number: 74,75,76 | 20,773 | medmcqa_train |
All of the following drugs are effective for cervical ripening during pregnancy except: | Progesterone is pregnancy protective agent and is given for maintenance of pregnancy and is even used as a tocolytic in preterm labour. Protaglandin E1 is misoprostol, E2 is Dinoprostone along with oxytocin are regularly used for cervical ripening for inducing labor or even for inducing aboions. | 20,774 | medmcqa_train |
Normal standard detion true is- | Repeated question the standard detion (SD, also represented by the Greek letter sigma s or the Latin letter s) is a measure that is used to quantify the amount of variation or dispersion of a set of data values. A low standard detion indicates that the data points tend to be close to the mean (also called the expected ... | 20,775 | medmcqa_train |
A 60-year old male presented with Yellowish discoloration thickening and tunneling of 2 fingernailand one toe nail.Which of the following will clinch the dignosis at the earliest? | Yellowish discolouration with thickening tunneling indicates a fungal infection maily dermatophytic infection - tinea ungum. rapid diagnostic test to diagnose the condition is koh mount. 30% koh is used for nails. Fungus appear as translucent branching hyphae with septa. slit skin smear is used to diagnose leprosy gram... | 20,776 | medmcqa_train |
Which of the following is true about the child-women ratio - | Child-woman ratio- This ratio, the CWR, the ratio of children under 5 per 1000 women of reproductive age. It is usually calculated by dividing the number of children in the age group 0-4 (of both sexes) by the number of women of reproductive age (15-49 years), and then multiplying by 1000. Ref: | 20,777 | medmcqa_train |
Structure related to ligamentum arteriosum - | Ans. is 'a' i.e., Left recurrent laryngeal nerve Recurrent laryngeal nerveso Recurrent laryngeal nerves (right and left) are branches of inferior ganglion of vagus nerve.o On right side it arises in the root of neck and winds around first part of right subclavian artery. It may be anterior (superficial) or posterior (d... | 20,778 | medmcqa_train |
Meckel' diverticulum is patent of: | (Vitello-intestinal duct) (1159-Baily & Love 25th)Meckel's Diverticum - It represents the patent intestinal end of the vitello-intestinal duct.* Occurs in 2% of patients are usually 2 inches (5cm/ in length and are situated 2 feet (60 cm) fromileocaecal valve.* It should be sought when a normal appendix is found at sur... | 20,779 | medmcqa_train |
Which of the following is not a premalignant condition oral cancer? | Lesions with an increased risk of malignancy on oral cancerPremalignant condition:- Leukoplakia, Erythroplakia, speckled erythroplakia, chronic hyperplastic candidiasisConditions increasing risk:- Oral submucous fibrosis, syphilitics glossitis, sideropenic dysphagia (Peterson Kelly syndrome)The risk is doubtful:- Oral ... | 20,780 | medmcqa_train |
A 7 year old boy presented with double medial malleolus. X-Ray was performed . What is the treatment? | Ans. (c) Vitamin DRef.: Maheshwari 5th ed. / 311Scurvy causes failure of collagen synthesis and osteoid formation. It clinically presents with:* Irritability* Gum bleeding* Pseudoparalysis (due to subperiosteal haemorrhage)* Anemia and beading of costo-chondral junction. Radiological features are: Frenkels line (dense ... | 20,781 | medmcqa_train |
Shoest acting skeletal muscle relaxant is? | Ans. is 'a' i.e., Suxamethonium Suxamethonium (succinylcholine) is the shoest acting skeletal muscle relaxant. Mivacurium is the shoest acting nondepolarizing skeletal muscle relaxant. | 20,782 | medmcqa_train |
Which of the following is a component of the visual pigment rhodopsin | In the retina, retinal (retinaldehyde) functions as the prosthetic group of light-sensitive opsin proteins, forming rhodopsin (in rods) and iodopsin (in cones). | 20,783 | medmcqa_train |
MTP cannot be done after: | Ans. B. 20 weeksa. MTP is permitted up to 20weeks of pregnancy. When the pregnancy exceeds 12weeks, opinion of two medical practitioners is required.b. Husband's consent is not necessary for MTP. | 20,784 | medmcqa_train |
The following is an X-ray of a 13year old child presenting with difficulty in breathing and gradually developing respiratory compromise. What is the diagnosis? | *Kyphoscoliosis May be developmental or congenital. *In severe forms especially congenital thorasic insufficiency May be seen due to pulmonary hypoplasia. *In such a scenario the patient may require a per emptive thoracoplasty to allow development of lungs and avoid hypoplasia. Ref:Campbell's 13th/e p.1901 | 20,785 | medmcqa_train |
All of the following amino acids forms Acetyl CoA via pyruvate dehydrogenase except: | Ans. B. Tyrosine(Ref: Harper 31/e page 151-155)Amino acid that enter via Pyruvate to TCA cycle are:Hydroxy Proline, Serine, Cysteine, Threonine, GlycineTryptophan, Alanine | 20,786 | medmcqa_train |
Highest incidence of pneumothorax occurs when branchial plexus is blocked by which route | The incidence of pneumothorax may be as high as to 6% when brachial plexus is blocked through supraclavicular route but founately most of these pneumothorax resolve by themselves without treatment. Supraclavicular brachial plexus block: cellulitis/abscess over the site of injection. Use caution in patients with poor pu... | 20,787 | medmcqa_train |
Right heart border is formed by- | Ans. is 'c' i.e., Superior vena cava + right atrium + inferior vena cava o In PA view the right margin of heart is formed by superior vena cava, right atrium and inferior vena cava from above downward. The left margin is formed by aortic knuckle (Prominence due to arch of aorta), Pulmonary trunk, left auricle and left ... | 20,788 | medmcqa_train |
Earliest morphological change seen in reversible cellular injury is? Inset shows normal hepatocytes as control. | Ans. (a) Hydropic changeCellular swelling is the first manifestation of almost all forms of injury to cells. Cellular swelling appears whenever cells are incapable of maintaining ionic and fluid homeostasis and is the result of failure of energy-dependent ion pumps in the plasma membrane. It is reversible.On microscopi... | 20,789 | medmcqa_train |
Which of the following suggest that the newborn infant is preterm? | Sl No.
Characteristic
Preterm Infant
Term Infant
1
Posture
Extended
Flexed
2
Breast buds
< 5mm
> 5mm
3
Genitalia : Male
a) Tests
b) Scrotal rugosity
Non - palpable
Abscent
Palpable
Present
Genitalia : Female
-
Prominent Clitoris
small labia minora
Labia major cover
labia minora and clitosis
... | 20,790 | medmcqa_train |
A 34 year old man undergoes upper GI endoscopy, which reveals numerous gastric polyps . The urease breath test result is positive. The polyps most likely are | Hyperplastic polyps are the mistcommon type of gastric polyps . They're associated with Helicobacter pylori infection and there's following eradication therapy Ref Bailey and love 27 e p1130 | 20,791 | medmcqa_train |
It is wise to keep and repair the meniscus rather than removing it when the injury is to which of the following? | (c) Peripheral part of meniscus- Meniscal Repair is recommended for tears in the Red zone and the Red white zone (Periphery). Meniscal Repair is not recommended for tears in the white zone (Inner zone).- Tear of the inner zone are treated with arthroscopic excision. | 20,792 | medmcqa_train |
Which of the following is false about mycetoma - | Mycetoma - A chronic, slowly progressive granulomatous infection of the skin and subcutaneous tissues. Caused by actinomycetes and filamentous fungi Clinically, it is manifested as triad of swelling, discharging sinuses and presence of granules in the discharge. Can affect lower and upper extremities 2. Laboratory Diag... | 20,793 | medmcqa_train |
A person having CD-4 count of 200 presents with difficulty of breathing. Most probabl diagnosis is? | ANSWER: (D) Pneumocystis cariniREF: Harrisons 17th ed chapter 182, CURRENT Medical Diagnosis & Treatment Chapter 31. HIV Infection & AIDSThe host factors that predispose to the development of Pneumocystis pneumonia (PcP) include defects in cellular and humoral immunity. The risk of PcP among HIV-infected patients rises... | 20,794 | medmcqa_train |
All of the following vaccines are contraindicated in pregnancy EXCEPT: | Ans. (d) TetanusRef : K. Park 23rd ed. / 312* All live and meningococcal vaccines are C/I in pregnancy EXCEPT: YF and OPV* Measles, rubella and BCG are live vaccines while Tetanus is from toxoid category.* Remember, these live vaccines can't cross the placenta* These vaccines are still contraindicated because pregnancy... | 20,795 | medmcqa_train |
All of the following are paired except | Interarytenoid is unpaired and acts as adductor whereas Corniculate, Vocal cords and Cricothyroids are paired. Ref: PL Dhingra Textbook of Ear, Nose and Throat, Edition 6, page - 319, 321 | 20,796 | medmcqa_train |
Which of the following is a prodrug | All ACE inhibitor are prodrug except captopril and lisnopril | 20,797 | medmcqa_train |
Malignant hydatid disease is caused by | Malignant hydatid disease is caused by Echinococcus Multi locularis. | 20,798 | medmcqa_train |
Most common site for carcinoma pancreas is | More than 85 percent of pancreatic cancers are ductal adenocarcinomas.They arise most commonly in the head of the gland Bailey & Love ,26th,1137. | 20,799 | medmcqa_train |
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