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Drug of choice for pregnant female suspected of having a baby with congenital adrenal hyperplasia
Refer Goodman Gilman 12/e p 123 To suppress fetal androgen production effectively band consequent virilization Dexamethasone must be initiated before 10 weeks of gestation To treat congenital adrenal hyperplasia is baby hydrocoisone is used.
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The drug that inhibits uterine contractility and cause pulmonary edema is :
Ans. is a i.e. Ritodrine Pulmonary edema is a serious complication of beta-adrenergic therapy (ritodrine) and MgSO4. This complication occurs in patients receiving oral or (more common) intravenous treatment. It occurs more frequently in patients who have excessive plasma volume expansion, such as those with twins or t...
1,001
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A patient presents with diarrhoea. analysis of stool on wet mount shows mobile protozoa without RBCs and pus cells. The diagnosis is -
Ans. is 'b' i.e., Giardiasis . Mobile protozoa with absence of RBC's and pus cells in stools in a patient with diarrhoea suggests giardiasis. . In balantidum cob and entomoeba histolytica infections, pus cells and RBC's will be present in stools. Trichomonas hominis is considered as non-pathogenic
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A clinical study involves patients diagnosed with carcinoma whose tumor stage is T4N1M1. The patients' survival rate 5 years from the time of diagnosis is less than 50%, regardless of therapy. Which of the following clinical findings is most likely to be characteristic of this group of patients?
Cachexia is a common finding in advanced cancers, and weight loss without dieting in an adult is a "red flag" for malignancy. The exact cause for this is unknown, but increases in circulating factors such as tumor necrosis factor (TNF) may play a role. Cardiac murmurs may occur in the development of nonbacterial thromb...
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Thiopentone is absolutely contraindicated in
(Porphyria): (381 -- KDT 7th edition; 536- Goodman 12th7or variegate)Thiopentone can precipitate acut intermittent or variegate porphyria in susceptible individuals therefore contraindicated. The abnormal synthesis of protoporphyrin (important in hemoglobin production) results in excess porphobilinogen. Barbiturates in...
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True regarding the rubens valve is
Rubens valve is a non – rebreathing valve used in self inflating resuscitation bags. It jams in inspiratory position occasionally. It allows spontaneous breathing .
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Loeffler's medium is-
Enriched media The media containing ingredients which enhance their growth-promoting qualities E.g. Blood agar, Chocolate agar and Loeffler medium. The usual media employed for cultivation of the diphtheria bacillus are Loeffler's serum slope and tellurite blood agar. Diphtheria bacilli grow on Loeffler's serum slope v...
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All are true about halothane except -
Ans. is 'a' i.e., Tachycardia o Halothane causes bradycardia.Halothaneo It is a volatile liquid with sweet odour, nonirritating and noninflammable.o It is a potent anaesthetic with poor analgesic and muscle relaxant properties,o Halothane causes direct depression of myocardial contractility by reducing intracellular Ca...
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A man coming from a mountain whose wife died 6 months prior says that his wife appeared to him and asked him to join her. The diagnosis is
B i.e. Grief psychosis Bereavement, Grief, or Mourning is a psychological reaction of those who survive a significant loss. Differences between normal & abnormal grief:Identifying with a deceased person such as taking on ceain admired traits or treasuring ceain possessions is normal; believing that one is the deceased ...
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Ocular manifestation in giant cell arteritis?
Ans. a. Arteritic AIONAION occurs due to interference of blood supply to anterior part of optic nerve (posterior ciliary artery)AION can be clinically differentiated into:Arteritic AIONNonarteritic AION*. Due to giant cell arteritis*. Due to occlusion of short posterior ciliary artery*. Sudden, severe visual loss (6/60...
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A 43-year-old man suddenly develops odynophagia. Which organism is most likely to be isolated on throat culture?
Odynophagia is a sensation of sharp retrosternal pain on swallowing. It is usually caused by severe erosive conditions such as Candida, herpes virus, and corrosive injury following caustic ingestion.
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Which disease is associated with the Father of Public Health?
Dr. John Snow was the first to associate Cholera to a sewage-affected drinking water pump in London Ref: 25th edition Park&;s Textbook of Preventive and Social Medicine, Page no. 25
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Caloric test is done for
Ans. (a) Semicircular canalRef. Dhingra's ENT 5th ed. / 48* Caloric test is used to assess vestibular function. The basis of this test is to induce nystagmus by thermal stimulation of the vestibular system.* Done by taking water of 2 temperatures, cold (30degC) and hot (44degC).* Position of the test: Supine then lift ...
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In humans, effective renal blood flow is ?
C i.e., 625 ml
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Typhoid carriers are detected by following except ?
Ans. is 'd' i.e., Widal test
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Which of the following statements regarding live vaccines is false?
When the administration of two live vaccines is mandatory, it can be given simultaneously but either: ? at different sites of injection or ? at an interval of at least 3 weeks Ref: Park's Textbook of Preventive and Social Medicine By K. Park, 19th Edition, Page 97; Immunology for The Health Sciences By Nicholas J. Vard...
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Magnan's symptom is seen in:
Altered tactile sensation: the person feel that some insects are crawling on his skin. This is known asMagnan's symptomorcocaine bugs(formication). Cocaine is an alkaloid derived from plantErythroxylon coca.
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The earliest manifestation of increased intrcranial pressure following head injury is
In general, symptoms and signs that suggest a rise in ICP include altered level of consciousness, headache, vomitingwithout nausea, ocular palcies, back pain and papilledema. If papilledema is protracted, it may lead to visual disturbances, optic atrophy, and eventually blindness. The headache is classically a morning ...
1,017
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True about Bochdalek hernia is -
Ans. is 'c' i.e., Differential diagnosis for pleuropericardial cyst Differential diagnosis of CDH o Pulmonary sequestration o Cystic adenomatoid malformation o Pleuropericardial cysts
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Which bone do not contributes to the medial wall of the orbit?
ANSWER: (D) ZygomaREF: Grays anatomy 39th edition, page 688-690 style="font-size: 1.04761904761905em; color: rgba(0, 0, 0, 1); font-family: Times New Roman, Times, serif">part_8/chapter_45.htmlIndirect repeat in December 2010WALLS OF THE ORBIT:The orbit possesses four walls; a roof, lateral wall, floor, and medial wall...
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Swan neck deformity -
Ans. is 'd' i.e., Extention at PIP and Flexion at DIP joint * Boutonniere deformity: Flexion contracture of PIP joint and extension of DIP joint.* Swan neck deformity: Hyperextension of PIP joint and flexion at DIP joint.
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A 55-year-old man with recent onset of atrial fibrillation presents with a cold, pulseless left lower extremity. He complains of left leg paresthesia and is unable to dorsiflex his toes. Following a successful popliteal embolectomy, with restoration of palpable pedal pulses, the patient is still unable to dorsi- flex h...
This case illustrates two (among many) conditions that lead to the anterior compartment syndrome, namely, acute arterial occlusion without collateral inflow and rapid reperfusion of ischemic muscle. Treatment for a compartment syndrome is prompt fasciotomy Assessing a compartment syndrome and proceeding with fasciotomy...
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Which of the following is not a CT feature ofAdrenal adenoma –
Adrenal adenoma on contrast-enhanced CT/MRI shows rapid uptake and relatively rapid washout of contrast material than do non adenomasQ. Adenoma: CT features Well defined/sharply defined  <5 cm in size Low attenuation (<10 HU) due to lipid content Mild homogenous enhancement Relatively rapid washout of contrast materia...
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Most common cause of death in primary amyloidosis is?
ANSWER: (B) Cardiac failureREF: Harrison's Internal Medicine 17th edition chapter 324. AmyloidosisThe kidneys are the most frequently affected organ (80%), Renal amyloidosis is usually manifested by proteinuria, which is often in the nephrotic range and associated with significant hypoalbuminemia and edema or anasarca;...
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Which of the following is false about mucocele of gallbladder
Mucocele(Hydrops) Mucocele results from Prolonged obstruction of the cystic duct, usually by a large solitary calculus Obstructed GB lumen is progressively distented by mucus (mucocele) or by clear transudate(hydrops) produced by mucosal epithelial cells Clinical features A visible, easily palpable, non tender gallblad...
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Most Common Tumour of Eyelid is:
BCC
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Intolerance to loud sound, nerve affected is
Clinical features of the 7th nerve palsy: Eyeball turns up and out Saliva dribbles Tears flow down Pain in the ear Noise intolerance Loss of taste Ref: Dhingra 7e pg 104.
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Thyroid hormone formation involves many steps. Which of the following amino acid is the precursor for thyroxine?
Tyrosine: Tyrosine is the precursor of triiodothyronine and thyroxine. Neural cells conve tyrosine to epinephrine and norepinephrine. While dopa is also an intermediate in the formation of melanin, different enzymes hydroxylate tyrosine in melanocytes. Dopa decarboxylase, a pyridoxal phosphate-dependent enzyme, forms d...
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Sputum positive patient who should be quarantined:
Ans. (d) Children below 6 yearsRef: K. Park 23rd ed. /182-84* About national TB program, if a person is smear positive for TB:# All the family who is in close contact with the patient is given prophylaxis# Children under age 6 is given prophylaxisNote: India's Revised National Tuberculosis Control Programme (RNTCP) rec...
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Which of these pathologies is the most common benign tumour of the parotid gland?
Mumps causes the classic bilateral parotitis, but it can present as a unilateral enlargement in rare cases. Heerfordt syndrome includes sarcoidosis. Tuberculosis historically was associated with ‘cold abscess’. It is caused by Mycobacterium tuberculosis, an acid-fast bacterium that does not stain with Gram stain. It re...
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A patient has ecchymosis and petechiae all over the body with no hepato-splenomegaly. All are true except
Ans. is 'b' i.e., Bleeding into the joints Features of Acute and Chronic Idiopathic Thrombocytopenic Purpura Feature Acute ITP Chronic ITP Peak age of incidence Children 2-6 year Adults, 20-40 year Sex predilection None 3:1 female to male Antecedent infection Common 1-2 week Unusual Onset of bleeding Before Abrupt Insi...
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Which body pa is represented superiorly and medially within the postcentral gyrus?
In the postcentral gyrus (somatosensory area) of each hemisphere, the sensory information from the opposite side of the body is received. The lower limb representation is found in the superior and medial poion of the postcentral gyrus (see the figure below). The lateral poion of the postcentral gyrus receives somatic s...
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A 62 year old man has a 25 year history of alcoholism and liver disease. He visits his physician complaining of pain and swelling of his legs. A decrease in which of the following is the most likely cause of the peripheral edema?
The plasma colloid osmotic pressure is often low in alcoholics with chronic liver disease (cirrhosis). The diseased liver cannot produce adequate amounts of albumin, which leads to a decrease in the concentration of albumin in the plasma, i.e., hypoalbuminemia. Because about 75% of the plasma colloid osmotic pressure c...
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Most common cause of dissecting hematoma is
Aoic dissection occurs when blood splays apa the laminar planes of the media to form a blood-filled channel within the aoic wall.Aoic dissection occurs mainly in two age groups: (1)men aged 40 to 60 with antecedent hypeension (more than 90% of cases); and (2) younger patients with connective tissue abnormalities that a...
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Charcot's triad include
Charcot's triad is a feature of ascending cholangitis secondary to CBD stones.Intermittent symotoms are produced as the stone moves proximally & floats with relieving of obstruction and subsiding of symotoms.The triad includes fever,jaundice and pain(maybe colicky). SRB's manual of surgery,5th edition,page no:651.
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Die is commonly seen in -
Acute promyelocytic leukaemia (M3) may be associated with a serious coagulation abnormality ,disseminated intravascular coagulation.Reference :Davidson's principles & practices of medicine 22nd edition pg no 383.
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Humans become infected by M.tuberculosis commonly by
M.tuberculosis is mainly transmitted by direct inhalation of aerosolised bacilli contained in the droplet nuclei of expectorated sputum. Generated while coughing. sneezing,or speaking of infected patients. There may be as many as 3000 infectious nuclei per cough. The tiny droplets may remain suspended in the air for se...
1,036
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Umbilical cord usually separates in newborns on:
Ans. C. Day 7-10Umbilical cord is the connection between the mother and the fetus in the intrauterine stage and includes two arteries and one vein. It usually separates in children between day 7-10, either by dry gangrene or a residual moist base.
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Delayed pubey is when primary amenorrhea is seen without development of secondary sexual characters beyond the age of?
Delayed pubey: Girls: Absence of secondary sexual characters by 13 yrs of age / Absence of menarche by 16 years of age / within 5 yrs of onset of pubey Boys: Lack of pubeal changes by 14 yrs of age
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Most common cause of central precocious pubey in girls:
- MCC of central precocious pubey in girls is Idiopathic. - Organic causes are more common in boys. - OTHER CAUSES: Infections - TB, meningitis Injuries - Trauma, neurosurgery, Radiotherapy Tumors - Hypothalamic hamaoma (Gelastic seizures)- MCC of organic central precocious pubey CNS malformations like arachnoid cyst ,...
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Which test is used to compare kapian-meier survival curve-
Ans. is 'C' i.e., Log rank test o The Kaplan-Meier estimator is an estimater for estimating the survival function from life time data. o A plot of the Kaplan-Meier estimate of the survival function is a series of horizontal steps of declining magnitude which, wrhen a large enough sample is taken, approaches the true su...
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Apoptotic bodies are
In H&E-stained tissue sections, the nuclei of apoptotic cells show various stages of chromatin condensation and aggregation and, ultimately, karyorrhexis; at the molecular level, this is reflected in fragmentation of DNA into nucleosome-sized pieces. The cells rapidly shrink, form cytoplasmic buds, and fragment into ap...
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According to Hellin's law chances of twins in pregnancy are:
According to Hellin’s rule The mathematical frequency of multiple pregnancy is: Twins 1 in 80 Triplets 1 in (80)2 Quadruplets 1 in (80)3 and so on
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All of the following are true about OPSI (Overwhelming Postsplenectomy Infection), Except:
Ans is A (Maximum risk is within 1 year of splenectomy) Overwhelming Postsplenectomy Infection (OPSI) Splenectomised patients are likely to suffer from severe infections. This syndrome is called overwhelming postsplenectomy infection (OPSI). OPSI is among the more devastating sequelae of asplenia and is the most common...
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"La-facies sympathique" is a condition seen in cases of
* La facies sympathique occurs in hanging* On postmortem examination, in hanging, usually the eyes are closed or partly open and the pupils are usually dilated.Sometimes, when the ligature knot presses on the cervical sympathetic, the eye on the same side may remain open and its pupil dilated (La, facies sympathiaue). ...
1,044
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In acute inflammation the tissue response consists of all except
Ref Robbins9/e p97 Granulomatous inflammation is a distinctive pattern of chronic inflammation characterized by aggregates of acti- vated macrophages with scattered lymphocytes. Granulo- mas are characteristic of ceain specific pathologic states; consequently, recognition of the granulomatous pattern is impoant because...
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This condition is best treated by:
Ans. (a) Intra-keloidal injection of triamcinolone.Diagnosis based on the image is Keloid scar* Characterized by overgrowth of scar tissue beyond the margins of original wound* Occur more commonly in females over sternum, shoulder and face, Black people are more prone for it* Treatment is with intralesional injections ...
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Which joint is commonly involved in osteochondritis dissecans?
Kness is the most commonly affected joint. Other joints such as hip, ankle , elbow and shoulder can also be involved. Definition : * Localized condition affecting the aicular surface of a joint with separation of a segment of cailage and subchondral bone * Knee by far the most common joint involved (75% of all OCD lesi...
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medmcqa_train
renal papillary necrosis is caused by ?
Etiology # Pyelonephritis # Obstruction of the urinary tract # Sickle cell hemoglobinopathies, including sickle cell trait # Tuberculosis # Cinhosis of the liver, chronic alcoholism # Analgesic abuse # Renal transplant rejection, Radiation, Renal vein thrombosis # Diabetes mellitus # Systemic vasculitis Renal papillary...
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Bilateral spider leg sign on IVP is suggestive of:
Ans. Polycystic kidney
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Which is the only living pa of Hydatid cyst?
Hydatid cyst is caused by Echinococcus granulosus. It has a thick opaque white outer cuticle / laminated layer and an inner thin germinal layer containing nucleated cells. The germinal layer is the site of asexual reproduction. It also secretes the hydatid fluid which fills the cavity. The fluid is clear, colourless / ...
1,050
medmcqa_train
Von Langenbeck repair is used for treatment of:
Von Langenbeck Repair: Two-stage palate repairs were originally described as a means of treating wide clefts; soft palate repair was done at the same time as lip repair, with the hard palate repaired later after the cleft width had diminished. In a way, this is analogous to lip adhesion; the surgeon is committed to a s...
1,051
medmcqa_train
Which of the following is not recommended in the treatment of Chronic Low Back Pain:
B. i.e. Bed rest for 3 months In low back ache (lumbago) bed rest should not exceed 2 (to 4) daysQ, because bed rest for longer period may lead to debilitating muscle atrophy and increased stiffness. Therefore bed rest > 2 days (Harrison)/>4 days (CDTF) is not recommended.
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Fatty acid synthase complex contain the following enzymes except:
Ans. C. Acetyl: CoA carboxylase(Ref: Harper 31/e page 217)Six enzyme activities of fatty acid synthase complex are:Ketoacyl SynthaseMalonyl-acetyl transacylaseHydrataseEnoyl reductaseKetoacyl reductaseThioesterase (Deacylase)
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Which is false regarding Gram positive cocci ?
Unlike streptococci enterococci are not reliably killed by penicillin or ampicillin alone at concentration acheived clinically in the blood or tissues. Antimicrobial susceptibility testing should be performed routinely on enterococcal isolates. Other options Option ‘a’ • Staph. saprophyiticus specially causes UTI in ...
1,054
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Brugada syndrome is characterized by
Brugada syndrome is a rare syndrome characterized by >0.2 mV of ST-segment elevation with a coved ST segment and negative T wave in more than one anterior precordial lead (V1-V3) and episodes of syncope or cardiac arrest due to polymorphic VT in the absence of structural hea disease.Harrison 19e pg: 1497
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Malaria causing nephrotic syndrome -
It would appear that quaan malaria causes an immune complex nephritis in some individuals that, once established, is sustained by mechanisms not yet fully explained but which may involve an autoimmune process. Evidence to suppo an immunologic pathogenesis of the renal lesions is provided by the presence of immunoglobul...
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Drug of choice for acute severe asthma is: September 2006
Ans. A: Sho acting beta 2 agonists Severe asthma (Continuous symptoms; activity limitation; frequent exacerbations/hospitalization) requires: Regular high dose of inhaled steroid (800-2000 microgram/ day) through a large volume spacer device and inhaled long acting beta2 agonist (Salmeterol). Additional treatment with ...
1,057
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False statement regarding myocardial infarction and depression is:
The first three options are correct. Depression and myocardial infarction are risk factors for each other. The treatment of depression after MI involves both medications and CBT.
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Regarding Fanconi anemia, the wrong statement is:
Fanconi's anemia is an autosomal recessive disease Characterized:- Progressive pancytopenia Increased risk of malignancy (solid tumors and AML) Congenital developmental anomalies like sho stature, cafe au lait spots, abnormalities affecting thumb, radius and genitourinary tract. Fanconi's anemia is associated with BRCA...
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According to WHO, what is given to prevent PPH by active management of third stage of labour?
WHO recommendations for prevention of PPH by active management of third stage of labour Components of Active Management of the Third Stage of Labour (WHO)Administration of uterotonic soon after bih of baby.Delayed cord clamping and cutting.Controlled cord traction for delivery of the placenta (Brandt Andrew&;sMethod).U...
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A multipara with 34 weeks pregnancy tachycardia, fever, hepatospleenomegaly, pallor has :
Malaria
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Osmotic fragility is increased in ?
Ans. is 'c' i.e., Hereditary spherocytosis Osmotic fragility of Red blood cells. Red blood cell osmotic fragility is the resistance of RBC hemolysis to osmotic changes. o Normally RBC maintains osmotic equilibrium with the surrounding medium i.e., with serum that has 0.9% NaCl. o As the surrounding medium becomes hypot...
1,062
medmcqa_train
Which drug is not used to prevent contrast nephropathy -
Ans. is 'a' i.e., Fenoldopam Summary And Recommendations for prevention of contrast induced nephropathy (uptodate recommendation )o Optimal therapy to prevent contrast-induced acute renal failure remains uncertain. Patients with near-normal renal function are at little risk and few precautions are necessary other than ...
1,063
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Aminoacyl t-RNA is not require for -
Ans. is 'c' i.e., Hydroxylysine o The initial step in protein synthesis is the activation of amino acid in which each of the 20 amino-acids is covalently attached to their respective t-RNA, forming specific amino acyl t-RNA.o The reaction is catalyzed by ami noacyl t-RNA synthase.o Hydroxyproline and hydroxylysine are ...
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Intermediate host for hydatid disease:
Man
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Episodes of depression in major depressive disorder tend to:
Episodes of major depression tend to increase in both length and frequency with age. When treated, episodes of major depression last for about 3 months. If untreated, depression lasts from 6 to 12 months. Episodes of major depression often have a gradual onset and occur an average of 5 to 6 times over a 20-year period.
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Which of the following does cause epidemic kerato conjuctivitis -
adeno virus cause epidemic keratoconjuctivitis REF:<\p> MICROBIOLOGY ANANTHA NARAYANAN NINTH EDITION PAGE.482
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Sacrococcygeal teratoma is associated with:
Ans: A (Menigocele) Ref: Robbins and Cotran Pathologic Basis of Disease: 8th editionExplanation:Sacrococcygeal TeratomasMost common teratomas of childhoodAccounts for 40% or more of casesFour times more common in girlsApproximately 10% of sacrococcygeal teratomas are associated with congenital anomaliesPrimarily defect...
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medmcqa_train
Which poisoning causes 'pink disease'?
Ans. is 'b' i.e. Mercury Pink disease or Acrodvniao It is thought to be an idiosyncratic hypersensitivity reaction particularly seen in children. This can be caused by chronic mercury exposure in any form usually in children. The onset is insidious with anorexia, insomnia, sweating, skin rash and photophobia. Hands and...
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What is the treatment of threshold ROP?
Ans is 'a' i.e. Laser Photocoagulation Threshold disease in ROP is defined as stage 3+ ROP in Zones 1 or 2 occupying at least five contiguous clock-hours or eight noncontiguous clock-hours of retina.Treatment of threshold disease is Laser Photocoagulation.'Laser therapy has largely replaced cryotherapy because visual a...
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Diplopia is usually seen in ?
Ans. is 'a' i.e., Paralytic squint
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Which is the most common lymphoma in adults?
DLBCL - Most common lymphoma in adults Follicular lymphoma - Most common indolent lymphoma in adults Chronic lymphocytic leukemia - Most common leukemia in adults
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Mooning is a form of
Flashing: The act of momentarily exposing or revealing sexual body pa by quickly moving the clothing. Streaking: The act of running naked through a public place. Mooning: The act of displaying one's bare buttocks, by lowering the pants and bending over
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All are seen in vitamin C deficiency except:
Vitamin C/Ascorbic acid deficiency leads toScurvy Clinical manifestation of scurvy: Swollen and bleeding gums Subcutaneous bleeding and brushing into skin/joints Delayed wound healing Anemia Weakness.
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A person had injury to right upper limb he is not able to extend fingers but able to extend wrist and elbow. Nerve injured is -
Posterior interosseous emerges from the supinator on the back of the forearm .Here it lies between the superficial and deep muscles.At the lower border of the extensor pollicis brevis, it passes deep to extensor pollicis longus.it then runs on the posterior surface of the interosseous membrane up to the wrist where it ...
1,075
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The patient with least risk of pulmonary aspiration of gastric contents during induction of anesthesia is:-
NPO is same for obese and normal. NPO guidelines - 6hrs for liquid and semisolid, 2 hours NPO for clear fluids. Subset of patients who are at high risk for aspiration - pregnant women, morbidly obese (rapid sequence induction), full fatty meal - 8 hours NPO.
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Which of the following enzyme uses citrate in fatty acid synthesis?
Reference: Harpers illustrated biochemistry 30th edition
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Which of the following changes does not occur in malignant hypeension :
Answer is D (Hyaline Aeriosclerosis) : Hyaline aeriosclerosis is a feature of Benign Nephrosclerosis associated with benign phase of Hypeension. It is not a ,feature of Malignant Hypeension.
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Which of the following nerves has the best prognosis for repair after injury -
Ans. is 'b' i.e., Radial nerveRecovery potential after nerve repairExcellent :- Radial, Musculocutaneous, femoral, digital nervesModerate :- Median, Ulnar, TibialPoor :- Common peroneal (lateral popliteal)
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Treatment in post operative shivering?
Ans. is 'a' i.e., Pethidine Post-anaesthesia shivering (PAS) Post anaesthesia (post operative) shivering occurs in 40% of patients recovering from general anaesthesia. Some time it is preceded by central hypothermia and peripheral vasoconstriction, indicating that it is a thermoregulatory mechanism Pethidine is most ef...
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Birbeck’s granules in the cytoplasm are seen in:
Birbeck granules are rod Shaped/Tennis-racket shaped cytoplasmic organelles with a central linear density and a striated appearance. They are diagnostic microscopic feature in Langerhans cell histiocytosis (Histiocytosis X)
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Crural index is:
Ans. Length of tibia/femur x 100
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Primordial prevention is done to prevent development of ?
Ans. is 'b' i.e., Risk factors LEVELS OF PREVENTION There are four levels of prevention :? Primordial prevention Primary prevention Secondary prevention Teiary prevention Primordial Level of Prevention: Is primary prevention (see below) in purest sense It is the prevention of the emergence or development of risk factor...
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Anakinra is a -
Ans. is 'a' i.e., IL-1 antagonisto Anakinra is an IL-1 antagonist.o It is used for some rare syndromes dependent on IL-1 production :Neonatal - onset inflammatory diseaseMuckle - Wells syndromeFamilial cold urticariaSystemic juvenile - onset inflammatory arthritisRA
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The gold standard for the definitive diagnosis of the extrahepatic biliary atresia is
Biliary atresia Evaluation of biliary anatomy begins with ultrasound Other imaging modalities such as HIDA scintigraphy, MRCP and ERCP have been used with varying success Although these are useful adjuncts, liver biopsy is gold standard for the diagnosis of biliary atresia and can safely be done percutaneously under lo...
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All of the following passes through lesser sciatic foramen, except ?
The lesser sciatic foramen is formed by the lesser sciatic notch of the pelvic bone, the ischial, the sacrospinous ligament and the sacrotuberous ligament. It transmits the following structures: The tendon of the Obturator internus Internal pudendal vessels Pudendal nerve Nerve to the obturator internus
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Increased osmotic fragility is characteristic of:September 2009
Ans. A: Hereditary spherocytosisThe normal red blood cell is a relatively impermeable biconcave disc which maintains osmotic equilibrium with the surrounding medium. As the surrounding medium becomes hypotonic, fluid will be taken into the cell to maintain stability. Eventually under very hypotonic conditions the cell ...
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medmcqa_train
A three year old child is brought to the emergency depament having just ingested a large overdose of an antihistaminic drug. This drug is a weak base capable of entering most tissues including the brain. On physical examination the hea rate is 100/ minute, blood pressure is 110/60 mm Hg and the respiratory rate is 20/ ...
This question can be solved by the knowledge that basic drugs are ionized in the acidic medium and vice-a-versa. This antihistaminic drug is a weak base and will be highly ionized in the acidic urine. As ionized drugs cannot be reabsorbed in the nephron, urinary acidifying agents like NH4Cl will accelerate the excretio...
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A patient on t/t for psychiatric disorder takes overdose of a drug, develops bradycardia, hypotension, decreased sweating and salivation. The likely drug is
A i.e. Amitryptilline
1,089
medmcqa_train
Which of the following is an absolute indication for surgery in cases of benign prostatic hyperplasia -
Absolute indications for surgical treatment of BPH 1) Refractory urine retention (failing at least one attempt at catheter removal 2) Recurrent UTI from BPH 3) Bladder stones d/t BPH 4) Renal insufficiency d/t BPH 5) Large bladder diveicula secondary to BPH 6) Recurrent gross hematuria from BPH Ref : Cambell's Urology ...
1,090
medmcqa_train
Phenylketonuria caused by deficiency of
(C) Phenyalanine hydroxylase # Phenylketonuria is a genetic disorder inherited from a person's parents.> It is due to mutations in the PAH gene which results in low levels of the enzyme phenylalanine hydroxylase.> This results in the build up of dietary phenylalanine to potentially toxic levels. It is autosomal recessi...
1,091
medmcqa_train
Telefono is:
Simultaneous beating of both ears with the palms of the hands is known as TELEFONO. This may lead to rupture of the tympanic membrane causing pain, bleeding and hearing loss. It is difficult to detect this. The external ear may also get torn during pulling of the ears.
1,092
medmcqa_train
All of the following are direct causes of maternal moality except:
Ans. is c i.e. Hea disease
1,093
medmcqa_train
who introduced ECT
HISTORY * Medunna ====IM injection of camphor to induce seizures * Ugo cerletti and lucio bini==== ECT in a catatonic patient INDICATIONS * DEPRESSION SUICIDAL IDEAS-------------- first choice * CATATONIC SCHIZOPHRENIA * SCHIZOPHRENIA * MANIA * ELECTRODE PLACEMENT * Most commonly used=== bi fronto temporal * More cogni...
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medmcqa_train
MELD score includes all except
Serum albumin is not a part of MELD SCORE. It is a part of child - pugh classification.
1,095
medmcqa_train
All are hypercoagulable states, except ?
Ans. is 'None' o All are hypercoagulable states.
1,096
medmcqa_train
Which of the following is the most common cause of meningoencephalitis in children:
Answer is D (Enterovirus): Enteroviruses are the most common cause of viral meningoencephalitis. Arboviruses, HSV and Mumps virus are all impoant agents associated with viral meningoencephalitis, but Enteroviruses are the most commonly associated agents and the answer of choice. 'Enteroviruses are the most common cause...
1,097
medmcqa_train
Pneumocystic carnii infects:
Ans. c. Rat
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medmcqa_train
All of the following are true about Roll back malaria except:(AIIMS November 2013, Nov 2012)
Ans. c. Development of newer insecticide (Ref; Harrison 19/e p14,18/e p14 WHO Roll Back Malaria Document] HTM_ MAL 2005. 1101.pdf (Roll Back Malaria)Roll Back Malaria:Messages on malaria case management, intermittent preventive treatment during pregnancy and insecticide- treated netsQ (ITNs) were promoted using volunte...
1,099
medmcqa_train