query
stringlengths
1
1.57k
pos
stringlengths
1
22.5k
idx
int64
0
161k
task_name
stringclasses
1 value
Time interval betwen inoculation of infection to maximum infectivity is ?
Ans. is 'c' i.e., Generation time Generation time - Period from receipt of infection to maximal infectivity. Serial interval Gap between onset of primary case and secondary case.
18,400
medmcqa_train
A 45-year old female had sought medical attention for her recent increase in weight and proximal limb weakness. She was diagnosed with rheumatoid ahritis. 1 week ago has been staed on prednisolone tablets. Physical examamination revealed truncal obesity; BP - 145/90 mm Hg and PR- -90/ mill. High levies of coisol were f...
Most of the signs and symptoms of ACTH-secreting tumors come from having too much coisol (an adrenal steroid hormone). But quite a few diseases can cause the body makes too much coisol, which is called Cushing's syndrome. If you have symptoms suggesting this syndrome, you'll need tests to see if it's caused by a pituit...
18,401
medmcqa_train
Which muscle causes retraction of scapula ?
Ans. is 'c' i.e., Rhomboideus major Movements of scapula Muscles causing movements Elevation Trapezius (upper pa), levator scapulae Depression Pectoralis minor, serratus anterior Protraction Serratus anterior, pectoralis minor Retraction Rhomboideus major Rhomboideus minor, Trapezius Forward rotation of inferior angle(...
18,402
medmcqa_train
Gas gangrene is/are caused by-
Ans. is 'a' i.e., C.novyi 'b' C.septicum; 'c' i.e., C. histolyticum
18,403
medmcqa_train
Diabetic patient with liver cirrhosis and hyperpigmentation, diagnosis is ?
Ans. is 'b' i.e., Hemochromatosiso Information in the question :?i) Diabetesii) Hyperpigmentationiii) Cirrhosiso Among the given options, only hemochromatosis can cause all three.
18,404
medmcqa_train
Most sensitive test for microfilariae?
Concentration techniques are used when microfilariae concentration is low. So, it is very sensitive test. Types: Knott's concentration technique Nucleopore filtration DEC provocation test
18,405
medmcqa_train
Features of Gartner's cyst are all except
Cough impulse is absent in gartner's cyst.
18,406
medmcqa_train
Striated veebrae is seen in WHICH OF THE FOLOWING CONDITION ?
In Hemangioma there is loss of horizontal straition and prominence of veebral straiation giving veebra a typical striated appaerance on radiography Refer : MAHESWARI 9TH ED
18,407
medmcqa_train
Prevalence of all clinical cases of polio can be estimated by multiplying the no. of residual paralytic cases by -
Ans. is 'a' i.e., 1.33 o The most accurate technique to measure the prevalence of polio in a community is a 'house to house' survey of 'lameness and muscle wasting' due to polio (in children between 5-10 years). The total prevalence of residual paralysis due to poliomyelitis could then be estimated by multiplying preva...
18,408
medmcqa_train
In sjogren syndrome salivary flow rate of each parotid becomes:
The normal salivary flow rate of each parotid gland is 5ml/ min but in SS patients, this flow rate will be0.5ml/min. The total uptake of radioisotope 99mTC - Pertechnetate is less in SS patients compared to normal salivary glands. The sialography reveals formation of punctate, cavitary defects filled with radiopaque co...
18,409
medmcqa_train
Most common type of pneumoconiosis, associated with TB is?
Ans. is 'a' i.e., Silicosis * Silicosis is associated with an increased susceptibility to T.B. It is postulated that silicosis results in depression of cell mediated immunity and the crystalline silica may inhibit the ability of pulmonary macrophages to kill phagocytosed mycobacteria. Nodules of silicotuberculosis ofte...
18,410
medmcqa_train
Most common type of carcinoma of lung is
Lung tumors In children  Most common lung tumor is metastasis. Most common benign tumor of the pediatric lung (including both infants and children) is inflammatory myofibroblastic tumor. Most common benign lung tumor in infants are pleuropulmonary blastoma. Most common primary malignant tumor of the pediatric lung is ...
18,411
medmcqa_train
Sensory supply of palatine tonsil is by which cranial nerve?
Sensory fibres or general visceral afferent from the soft palate and tonsil, is by the lesser palatine and glossopharyngeal nerves. Ref: BD Chaurasia's HUMAN ANATOMY, Volume 3, 4th edition.
18,412
medmcqa_train
Alzheimer's Disease is associated with :
Answer is C (Dementia): Alzheimer's Disease is the most common cause of Dementia in elderly.Clinically, AD most often presents with subtle onset of memory loss followed by slowly progressive dementia that has a course of several years.
18,413
medmcqa_train
An amino acid that does not form an a-helix is:
Ans. D. ProlineProline which is also called an imino acid always destabilizes a-helix. Other amino acids which disrupt the helix are acidic and basic.
18,414
medmcqa_train
All of the following are devoid of blood brain barrier except
Adenohypophysis is not devoid of blood-brain barrier (BBB) Neurohypophysis is devoid of blood-brain barrier The following are the circumventricular organs (CVO) or areas devoid of the blood-brain barrier Pineal body Neurohypophysis Organum Vasculosum of lamina terminalis (OVLT) Median Eminence(Hypothalamus) Subcommissu...
18,415
medmcqa_train
Which one of the following statements best describes immunoglobulin structure?
Following is a schematic figure of Ig. Note that each peptide chain is drawn as a continuous line and attachments between heavy and light chains are noted by solid bars. There appears to be considerable flexibility in the hinge region between the Fc and the two Fab poions of the molecule. This allows the molecule to as...
18,416
medmcqa_train
The first centres of ossification appears during which month of pregnancy
A i.e. At the end of 2nd month of pregnancy Clavicle is the first bone in the body to sta ossifying and is ossified from 3 centres. The shaft of clavicle is ossified from 2 (medical & lateral) primary centres, which appear between the 5th & 6", weeks of intra uterine life, and fuse about the 45th day meeting between th...
18,417
medmcqa_train
Woody feeling of the external nose (Hebra nose) is observed in
.
18,418
medmcqa_train
Alternative episodes of hypomania and subsyndromic depression is called as
Type III Bipolar disorder is characterized by alternative episodes of hypomania & subsyndromic depression.
18,419
medmcqa_train
Virilising tumours of the ovary are :
All of the above
18,420
medmcqa_train
The oculomotor nerve passes between which pair artery?
The oculomotor nerve emerges from the midbrain and passes between the two cerebral peduncles. The nerve then passes between the superior cerebellar artery and the posterior cerebral artery before entering the dura of the lateral wall of the cavernous sinus Because of the close relationship between the oculomotor nerve ...
18,421
medmcqa_train
All are feature of Wernicke's encephalopathy,Except:
Ans. is 'a' Cogwheel rigidity (Ref Harrison, 16/e, p 1636 (15/e, p 2496)).Wernicke's disease is seen in Alcoholic* patients with chronic thiamine deficiency*.The characteristic clinical trial is that of:Global confusionOphthalmoplegia Ataxia Mnemonic: GOAOther ocular motor abnormalities include:horizontal nystagmus on ...
18,422
medmcqa_train
It is true regarding Endemic typhus that -
Rats are the reservoirs. Rat flea is the vector. Rickettsial infection is characterised by fever , headache ,malaise, prostration,skin rash and enlargement of spleen and liver. Diagnostic procedures include isolation of rickettsiae, IFA, CFT, Weil Felix test , ELISA Reference; Park&;s Textbook of preventive and social ...
18,423
medmcqa_train
Floor of Petit triangle is formed by?
Ans. is 'b' i.e., Internal oblique Boundaries of Petit triangle (inferior lumbar triangle) are?Base - Iliac crestAnterior boundary (abdominal boundary) - Posterior border of external oblique muscle.Posterior boundary (lumbar boundary) - Anterior border of latissimus dorsi.Floor is formed by internal oblique muscle.
18,424
medmcqa_train
Which is not a pa of Kaageners syndrome:March 2007
Ans. D: CardiomegalyPrimary ciliary dyskinesia/PCD/immotile ciliary syndrome/ Kaagener Syndrome is a rare autosomal recessive genetic disorder which causes a defect in the action of the cilia lining the respiratory tract (lower and upper, sinuses, Eustachian tube, middle ear) and fallopian tube.PCD is a genetically het...
18,425
medmcqa_train
Cavitatory lesions in lung are seen in
Causes of cavitation include infections malignancies tuberculosis but not primary ptb pulmonary abscess septic emboli nontb mycobacterium infection aspergillosis systemic diseases like granulomatosis with polyangitis, sarcoidosis.
18,426
medmcqa_train
Chronic villous sampling is done at :
9-11 weeks
18,427
medmcqa_train
All of the following open into right atrium except
Middle cardiac vein accompanies the posterior interventricular aery and joins the middle pa of coronary sinus B D CHAURASIA'S HUMAN ANATOMY UPPER LIMB THORAX-VOLUME 1 SIXTH EDITION Page no:255,267
18,428
medmcqa_train
All of the following are derivatives of connective tissue except
Clara cells: are present in lining of respiratory bronchioles and seems to secrete a variety of products including clara cells secretory protein (CSCP) and a component of the lung surfactant. They are also responsible for detoxifying harmful substances inhaled into lungs. Clara cells are pa of respiratory system which ...
18,429
medmcqa_train
Apolipoprotein activating L- CAT (LQ)
A-1 is the integral apoprotein of HDL.LCAT binds to discoidal HDl activated by A1 conves discoidal HDL to HDl 3
18,430
medmcqa_train
Osteoblastic secondaries occurs with
(Carcinoma prostate) (1086-CSDT 13th)* Although some tumours may produce mainly osteolytic lesions (eg Kidney cancers) and others mainly osteoblastic lesions (eg prostate cancers), most metastatic lesion produce both types of lesion and may go through stages where one or the other predominates - 613- Harrison 17th* Ost...
18,431
medmcqa_train
Emporiatrics deals with the health of the -
Travel medicine or emporiatrics is the branch of medicine that deals with the prevention and management of health problems of international travelers. Travel health advice is primarily aimed at prevention, and is therefore offered before travel. It includes steps taken before travel like Medical examinations and screen...
18,432
medmcqa_train
The basic pathology of Barrett's esophagus is:
Ans. (b) Metaplasia of squamous cells to columnar cellsRef: Bailey and Love 26th Edition, Page 1000* Metaplasia of squamous cells to intestinal type of columnar cells is Barret* The biopsy shows Goblet cells: Pathognomonic.
18,433
medmcqa_train
Lacunar infarcts may manifest all of the following except:
Answer is D (Quadriparesis): Quadriparesis or Quadriplegia are not associated with lacunar infarcts. Lacunar Infarcts Lacunar infarcts are small vessel strokes caused by occlusion of a single penetrating aery that supplies one of the deep structures in brain such as the internal capsule, corona radiate, basal ganglia, ...
18,434
medmcqa_train
All are seen in malignant hypertension except -
Malignant hypertension, defined as blood pressure usually greater than 200/120 mm Hg, is far less common in the United States than so-called “benign” hypertension and occurs in only about 5% of persons with elevated blood pressure. It may arise de novo (i.e., without preexisting hypertension), or it may appear suddenly...
18,435
medmcqa_train
Muddy brown casts are seen in
Muddy brown casts made up of epithelial cells are pathognomonic for Acute tubular necrosis.
18,436
medmcqa_train
The class of low molecular weight calcium binding proteins seen predominantly in developing enamel are:
Amelogenins and enamelins are two major classes of calcium binding proteins. Amelogenins are relatively low-molecular-weight proteins secreted by ameloblasts and are predominant proteins in the developing enamel matrix. They will disappear in enamel maturation period. Enamelins have very high affinity for binding apati...
18,437
medmcqa_train
Characteristic feature of Otosclerosis are all except-
You are aware of all options given in Question. Just Remember: The following otoscopic findings in otosclerosis. Remember: Tympanic membrane is normal and mobile in 90% cases. (i.e. option d is correct). Schwartz sign—Flammingo cases pink colour of tympanic membrane is seen in 10% cases. It indicates active focus with...
18,438
medmcqa_train
All of the following drugs are Antiandorgens EXCEPT
(D) Cyproheptadine # Impeded Androgens / Antiandrogens> Estrogens may be called antiandrogenic in a limited sense.> Some of their actions are opposite to that of testosterone.> Further, by inhibiting Gn secretion they decrease testosterone production.> Superactive GnRH agonists are the most potent inhibitors of gonadal...
18,439
medmcqa_train
Blastocyst implantation close to internal os causes
A i.e. Placenta pre- When the placenta is implanted paially or completely over the lower uterine segment, over and adjacent to the internal os, it is called placenta pre
18,440
medmcqa_train
A 13-year-old female presents with lethargy, fever, severe headache, and a stiff neck. On examination, a unilateral fixed, dilated pupil and papilledema is noted. Each of the following would be appropriate in initial management, EXCEPT:
This case most likely represents an adolescent with meningitis who has developed increased intracranial pressure. Intubation and hyperventilation is indicated immediately. Hyperventilation is the most appropriate immediate, non-surgical treatment of intracranial hypeension. By hyperventilating this patient you will dec...
18,441
medmcqa_train
Anemia of chronic disease is characterized by
*Anemia of chronic disease- Impaired red cell production associated with any chronic diseases that would be infectious/inflammatory/neoplastic.*Chronic diseases produce a cytokine "IL-6" that increases the production of hepcidin from the liver. Hepcidin inhibits ferropoin function in macrophages and reduces the transfe...
18,442
medmcqa_train
True statement regarding pathology of pneumocystis jiroveci pneumonia:
Ans: A (Alveoli is filled with foamy exudates) Ref: Rubin's Pathology: Clinicopathologic Foundations of Medicine, 6th edition, pg 554Explanation:Pathology of Pneumocystis Jiroveci Pnuemonia* The classic lesion of pneumocystis pneumonia are:o interstitial infiltrate of plasma cells and lymphocytes.o Hyperplasia of type ...
18,443
medmcqa_train
Fermentation of pulses increases all the following except
Pulses (legumes) Pulses comprise a variety of grams, also known as dhals. Most commonly eaten pulses are bengal gram (chana), red gram (tuvar or arhar), green gram (mung) and black gram (urd). Others include lentils (masur), peas and beans including soyabean. Khesari dhal (lathyrus sativus), is consumed in pas of Madhy...
18,444
medmcqa_train
Diuretic that is useful in mild to moderate hypertension is:
Ans. (B) Thiazides(Ref: Harrison 19th/e p1623)Thiazides are not only diuretics of choice for mild to moderate hypertension but also the first line antihypertensive drugs in these patients.
18,445
medmcqa_train
All of the following Mesenteries are present in an Adult, except:
The mesenteries of the ascending colon, descending colon, and rectum are lost in adults and become retroperitoneal. Mesentery of the Midgut and Hindgut and its derivatives (dorsal common mesentery) The abdominal pa of the midgut and hindgut only possesses a dorsal mesentery, In the area of the jejunum and ileum it form...
18,446
medmcqa_train
Which of the following cast is normal in urine
Hyaline casts are both the most diffi- cult to visualize and least impoant type of casts encountered in the urine sediment. They are the result of solidifica- tion of Tamm-Horsfall mucoprotein, which is secreted by the renal tubular cells, and they may be present without significant proteinuria. Ref Harrison20th editio...
18,447
medmcqa_train
Treatment of choice for Eale's disease ?
Ans. is 'a' i.e., Floor 1129] Blow out fractures of orbit Blow out fractures are caused by direct trauma to the globe which causes an increase in infraorbital pressure and decompression fracture of the orbital floor (or its walls). They are usually due to blunt trauma caused by a large object such as a cricket ball, hu...
18,448
medmcqa_train
Stages of anaesthesia were established by –
Stages of anaesthesia were described by Guedel for ether.
18,449
medmcqa_train
In a case of retrocecal appendicitis which movement aggravates pain
Hyperextension of the hip joint may induce abdominal pain when the degree of psoas spasm is insufficient to cause flexion of the hip.Rigidity is often absent, and even application of deep pressure may fail to elicit tenderness (silent appendix), the reason being that the caecum, distended with gas, prevents the pressur...
18,450
medmcqa_train
A 56-year-old man presented with bony pain. X-ray of skull showing which lesions in brain:
Ans. a. Paget's diseasePAGET DISEASE OF BONE (OSTEITIS DEFORMANS)Common, localized disorder of bone remodeling caused by increases osteoclastic activity followed by increasing osteoblastic activity that forms poor-quality bone.In Paget disease; Serum Ca2+, phosphorus, and PTH levels are normal.ALP value elevated in Pag...
18,451
medmcqa_train
Definitive diagnosis of sporotrichosis generally depends on:
Culture
18,452
medmcqa_train
Stability of alveoloi is maintained by:
Reduce surface tension by surfactant Ganong writes -"The low surface tension when the alveoli are small is due to the presence in the fluid lining the alveoli of surfactant, a lipid surface-tension-lowering agent. Surfactant is a mixture of dipahnitoylphosphaticlylcholine (DPPC), other lipids, and proteins. If the surf...
18,453
medmcqa_train
Gradenigo's syndrome involves the following cranial nerves:
Gradenigo's syndrome, which is characterised by the triad of suppurative otitis media, pain in the distribution of the trigeminal nerve, and abducens nerve palsy may give rise to potentially fatal complications
18,454
medmcqa_train
Cytochrome oxidase contains:
Cu
18,455
medmcqa_train
Humoral graft rejection is characterised by?
Ans. is 'c' i.e., Thrombosis of the blood vessels and ischemic necrosis
18,456
medmcqa_train
Not safe disposal but good for soil building -
Composting is method of combined refuse disposal and nightsoil or sludge. It is a process of nature whereby organic matter breaksdown under bacterial action resulting in formation of relatively stable humus like material, called compost.The principal byproducts are carbon dioxide,water and heat.This heat destroys the e...
18,457
medmcqa_train
Absent P Wave is seen in:
Answer is A (Atrial Fibrillation) P wave is typically absent in Atrial Fibrillation. COPD and Cor-Pulmonale are associated with tall p waves from Right Atrial Enlargement (P-Pulmonale) while Mitral Stenosis is typically associated with a wide and notched p wave from Left Atrial Enlargement (P-Mitrale) Causes of Absent ...
18,458
medmcqa_train
Acute and recurrent pancreatitis is repoed to occur in
Recurrent acute pancreatic attacks is a rare clinical condition (2-5% of all acute pancreatis) in children and is mainly idiopathic in most cases. Sometimes it may be associated with congenital anomalies, metabolic diseases or hereditary conditions. Isovaleric acidemia (IVA) is a rare autosomal recessive amino acid met...
18,459
medmcqa_train
Which of the following is not a ketose?
Ketoses: sugars with keto group. Ex: Dihydroxyacetone, Erythrulose, Xylulose, Ribulose, Fructose, SedoheptuloseRef: DM Vasudevan, 7th edition, page no: 70
18,460
medmcqa_train
The structural proteins are involved in maintaining the shape of a cell or in the formation of matrices in the body. The shape of these proteins is:
B i.e. Fibrous proteins
18,461
medmcqa_train
Not classified as untidy wound is
Answer- B. Incised woundUsually involves crushing and tearing and contain devitalized tissues.Needs conversion to tidy wound before closure is considered.These wounds result from crushing, avulsion or burns. Fractures are common and may be multifragmentary.Treatment - Once the untidy wound is convereted to a didy one b...
18,462
medmcqa_train
To rule out rheumatoid arthritis, most important among the followings is?
DR4 is strongly associated with RA(also with Type 1 DM Pemphigus vulgaris). Other options HLA-B27 is associated with seronegative spondyloarthropathies (ankylosing spondylitis, Psoriatic arthritis, Reiter’s syndrome, reactive arthritis) and acute anterior uveitis HLA DR8 is associated with Type 1 DM. HLA DQ1 is assoc...
18,463
medmcqa_train
Treatment of choice for carrier of diphtheria ?
Ans. is 'b' i.e., Erythromycin Control of diphtheria Control diphtheria requires :? Control in cases and carrier Control for contacts (prophylaxis for contact) Prophylaxis for community - by vaccination Control in cases and carrier Early diagnosis - By nose & throat examination and culture. Isolation - For at least 14 ...
18,464
medmcqa_train
A 70 year female patient having coronary aery disease was found to have asymptomatic gallstones on routine ultrasound scan of the abdomen. What the best management for his gallstones: September 2010
Ans. D: Observation
18,465
medmcqa_train
Treatment of stage III carcinoma of oral tongue is:
Stage III carcinoma tongue means tumour more than 4 cm in greatest dimension with no neck nodes or tumour of T1 (<2cm),T2 (2-4cm)orT3 (>4cm) with a single ipsilateral node >3cm.Treatment will include wide excision of primary tumour with neck dissection and post-operative radiotherapy.All patients with stage III or stag...
18,466
medmcqa_train
A 20 year old woman presents with hemoptysis, bilateral conductive deafness and palpable purpura on the legs. X ray chest shows a thin walled cavity in left lower zone. Investigations shows a leukocyte count of 12000/mm3, red cell casts in the urine and serum creatinine 3mg/dL. What is the most probable diagnosis?
Wegener's granulomatosis is characterized by granulomatous vasculitis of the upper and lower respiratory tracts together with glomerulonephritis. Male-to-female ratio is 1:1. And the mean age of onset is 40 years. Clinical features: Patients often present with paranasal sinus pain, purulent or bloody nasal discharge, w...
18,467
medmcqa_train
Anterior ethmoidal artery closely relates to?
ANSWER: (B) Nasociliary nerveREF: Grays anatomy 39th edition page 697Course of Anterior ethmoidal artery:Once branching from the ophthalmic artery, it accompanies the Nasociliary nerve through the anterior ethmoidal canal to supply the anterior and middle ethmoidal cells, frontal sinus, and anterosuperior aspect of the...
18,468
medmcqa_train
Infected endocarditis is commonly seen with all the following except
Infective endocarditis is an infection of the inner surface of the hea, usually the valves. Osler's nodes ("ephemeral spots of a painful nodular erythema, chiefly in the skin of the hands and feet"), Roth's spots on the retina, positive serum rheumatoid factor Other signs may include night sweats, rigors, anemia, splee...
18,469
medmcqa_train
35 year old male presenting with history of bleeding in peripheral smear shows leucocytosis, platelet 50,000/mm3, increased neutrophils, normal lymphocyte, blast 12% and band form, myelocyte andmeta-myelocyte all were increased, along with t(8:21). What is the diagnosis?
. AML
18,470
medmcqa_train
Which of the following anesthetic agents does not trigger malignant hypehermia?
Thiopentone sodium is a safe drug for general anaesthesia in patients susceptible for malignant hypehermia. In such patients, anaesthesia should be induced using thiopentone sodium, muscle relaxation with pancuronium and maintained with oxygen and nitrous oxide supplemented by an opioid agent. Succinylcholine a muscle ...
18,471
medmcqa_train
The sentence awarded by a court may be enhanced by the
Sentence awarded by court may be enhanced or decreased by the court of higher rank (higher court). Ranking of criminal courts in India in decreasing order are :- Supreme court (highest rank) > High court > district session court > assistant session court > magistrate court (UM > 1st class magistrate > 2nd class magistr...
18,472
medmcqa_train
A 35 year old, 70 kg female presents with sodium =160 mEq/L. Calculate the free water deficit for this patient:
Approximate percentage water of total body mass. Patient % Children 60 Non-elderly males 60 Non-elderly females 50 Elderly males 50 Elderly females 45 Water deficit=Total body water x (current sodium -140)/140 TBW(female) = 0.5 x weight = 35 L for the patient mentioned in question Water deficit =35 x (160-140)/140 Wate...
18,473
medmcqa_train
A patient presents with lower gastrointestinal bleed. Sigmoidoscopy shows ulcer in the sigmoid. Biopsy from this area shows flask-shaped ulcers. Which of the following is the most appropriate treatment ?
Ans. is 'b' i.e., Intravenous metronidazole Flask-shaped ulcer in a patient of GI bleed suggests amebiasis (amoebic dysentry). Drug therapy for amoebiasis Asymptomatic carrier --> Luminal agents (Iodoquinol, Paromomycine) Diloxanide furoate is the DOC. Acute colitis --> Metronidazole or Tinidazole + Luminal agent. Live...
18,474
medmcqa_train
Japanese Encephalitis is caused by:
Transmitted by Culex mosquitoes
18,475
medmcqa_train
Highest LAP score is seen in -
High levels of LAP score are found in: Infection Inflammatory disorder Growth factor therapy Pregnancy OCP Stress Myeloproliferative disorders (except CML) Drugs (e.g. Lithium, Corticosteroid, Estrogen) Abnormally high values of LAP is seen in myeloproliferative disorder e.g. polycythemia vera and myelofibrosis Decre...
18,476
medmcqa_train
In a population of pregnant female, Hb is estimated on 100 women with standard detion of 1 gm%. The standard error is-
<p> standard error of mean = standard detion/[?]n =1/10 =0.1 Parks textbook of preventive and social medicine.K Park. Edition 23.Pg no: 850</p>
18,477
medmcqa_train
Syndrome associated with thymic and parathyroid hypoplasia:
Ans: c (Di George syndrome) Ref: Harrison, 16th ed,p. 1942; Nelson, 17th ed, p. 211, 694,735Di George syndrome is characterized by variable loss of T cell mediated immunity (due to hypoplasia of thymus), tetany (due to lack of parathyroids) and congenital defects of heart and great vessels.Di George syndromeIt is a syn...
18,478
medmcqa_train
Concept of school health was first laid by
School Health * Concept first laid by BHORE committee (1946) Guidelines were laid down in detail by RENUKA ROY committee (1961) Kaar Singh committee: Committee on multipurpose workers under health and family planning Mukherjee committee : Basic health should be provided at block level
18,479
medmcqa_train
The most probable diagnosis of the lesion depicted in the X-ray below is (GCT)
Osteoclastoma 98% cases are benign with potential for metastasis with female predominance Sites - Distal femur/proximal tibia, lower end of radius, proximal humerus Occurrence - 20 - 40 years Arises from epiphysis Egg shell crackling on palpation X ray finding - Soap bubble appearance HPE - mesenchymal stromal cells Tr...
18,480
medmcqa_train
Which ONE feature could help to differenciate Alzheimer's Dementia from Delirium in a 70 year old man with Urinary Tract Infection?
Delirium is broadly defined as an acute decline in attention and cognition. It is characterized by altered sensorium, confusion, stupor, and fluctuations of consciousness. Dementia is defined as a progressive impairment of cognitive functions occurring in clear consciousness (i.e. in the absence of delirium).
18,481
medmcqa_train
All are liver glycogenosis except
Pompe disease is a muscle glycogenoses(Type II)due to enzymatic defect of Lysosomal alpha 1,4-glucosidase(acid maltase). Von Gierke is due to defect of glucose-6-phosphatase(Type Ia).Type III glycogenoses are Cori/Forbes(IIIa-liver and muscle debrancher deficiency) & Type IIIb.Hers is Type VI glycogenoses due to enzyma...
18,482
medmcqa_train
Which of the following is the first to improve after surgery for GH producing adenoma?
Trans-sphenoidal surgery is the preferred primary treatment for management of micro and macro-adenomas leading to acromegaly. The first symptom to improve is Soft tissue Swelling. Soft tissue swelling manifests as increased Heel pad thickness, increased shoe and glove size, ring tightening, coarse facies and large fles...
18,483
medmcqa_train
The simple columnar and stratified columnar epithelia lining the lower pa of the anal canal is derived from
The anal canal is formed from two components--the hindgut and proctodeum. The epithelium lining the lower anal canal is derived from ectoderm lining the proctodeum. above the pectinate line develop from:-endodermal cloacae beiow the pectinate line delelop from :-ectodermal proctodeum
18,484
medmcqa_train
Meckel's diverticulum is a remnant of -
Ans. is 'b' i.e., Vitellointestinal duct o The Vitellointestinal duct or the omphalomesentric duct is the connection between the yolk sac and the developing gut.o Normally, it gets obliterated and disappears.o But sometimes it may persist in various forms giving rise to congenital anomalies:-a. Umbilical fecal fistula ...
18,485
medmcqa_train
Which of the following structures is located in the posterior interventricular sulcus?
The middle cardiac vein runs in the posterior interventricular sulcus, and the small cardiac vein runs in the coronary sulcus along the right coronary aery. The great cardiac vein lies in the anterior interventricular sulcus. The coronary sinus continues to the right in the coronary sulcus. The oblique vein is usually ...
18,486
medmcqa_train
Which of the following is the most common side effect of Cisapride?
Cisapride is a prokinetic drug and the most common side effect associated with its use are abdominal cramps, borborygmi and diarrhea. Cisapride is a non selective serotonin 5HT4 agonist and paial 5HT3 agonist, it acts by increasing acetylcholine release from myenteric neurons.
18,487
medmcqa_train
Femoral nerve divides into anterior and posterior division around
Femoral nerve divides into anterior and posterior division around Lateral Circumflex formoral artery.
18,488
medmcqa_train
In multiple myeloma-amyloid is -
Ans. is 'a' i.e., AL In Multiple myeloma the amyloidosis is AL type (primary amyloidosis). Primary amyloidosis o It is the most common form of amyloidosis. o It occurs when there is immunocyte dyscrasias. o Best defined example is multiple - myeloma. o But, The great majority of patients with primary (AL) amyloid do no...
18,489
medmcqa_train
Vidian neurectomy is done in -
(A) (Vasomotor rhinitis) (183- Dhingra 5th)* Vidian neurectomy (sectioning the parasympathetic secretomotor fibre to nose) is the treatment of choice for vasomotor rhinitis.* Vasomotor rhinitis is due to over activity of the parasympathetic system.* Alternating nasal obstruction, early morning rhinorrhea are its charac...
18,490
medmcqa_train
The Millennium Development Goals (MPG) is to be achieved by the year –
The millennium development Goals (MDG) More recently in September 2000, representive for 189 countries met at the millennium summit in New York, to adopt United Nations Millennium Declaration. The goals in the area of development and poverty eradication are now referred to as "Millennium development Goals" (MDGs). Go...
18,491
medmcqa_train
A adolescent was bitten by a stray dog. To rule out rabies in the animal, brain tissue sample was taken. Which of the pa of brain tissue should be taken to see the characteristic Negri bodies?
Rapid diagnosis of rabies infection in the animal is usually made by examination of brain tissue by using either PCR assay, fluorescent antibody to rabies virus or histologic staining of Negri bodies in the cytoplasm of hippocampal neurons. Negri bodies are sharply demarcated, more or less spherical, and 2-10 mm in dia...
18,492
medmcqa_train
All are true about heparin induced thrombocytopenia (HIT), EXCEPT:
Drug induced thrombocytopenia due to heparin has some special features. It will not lead to bleeding. Marked thrombocytopenia < 20,000 is rare. Thrombosis is a major complication. Ref: Harrisons principles of internal medicine, Edition -18, Page - 967
18,493
medmcqa_train
Acute osteomyelitis is most frequently caused by:
Acute osteomyelitis is usually a polymicrobial infection. Different types of organisms may be cultured from these lesions; the most common are Staphylococcus aureus and Staphylococcus albus, and various streptococci. Anaerobes such as Bacteroides, Porphyromonas or Prevotella species also predominate. Ref: Shafer's text...
18,494
medmcqa_train
An army recruit, smoker and 6 months into training staed complaining of pain at postero medial aspect of both legs. There was acute point tenderness and the pain was aggravated on physical activity. The most likely diagnosis is:
The army man is most likely suffering from stress fracture. Stress Fracture or fatigue fracture is caused by repeated stress at one point. Bones are constantly trying to repair and remodel themselves in people like athletes and army recruit. Over a period if sufficient stress is applied on a bone which has reached the ...
18,495
medmcqa_train
Which of the following drugs is not used for the treatment of cancer
Ref-KDT 6/e p839,840 All antimetabolite can be used as anticancer drugs excepts azathioprine Cyclosporine acts by inhibiting the transcription of IL-2 gene.it has no anti-cancer propey
18,496
medmcqa_train
The relationship between sulphonamide and PABA is
Sulfonamides have structural similarity with PABA .therefore, they competitively inhibit the enzyme responsible for the incorporation of PABA into dihydropteroic acid, the immediate precursor of folic acidRef: DM Vasudevan, 7th edition, page no: 491, 61
18,497
medmcqa_train
Pancreatic islets consist of alpha, beta, and delta cells, which secrete glucagon, insulin, and somatostatin, respectively. These cells are derived from
Pancreatic islets form as isolated clumps of cells that bud from endodermal tubules. As pa of embryonic development, the pancreas forms as two buds from the foregut, an embryonic tube that is a precursor to the gastrointestinal tract. It is therefore of endodermal origin
18,498
medmcqa_train
Lallo, aged 54 years, who is a known diabetic patient develops cirrhosis. There is associated skin hyperpigmentation and restrictive cardiomyopathy which of the following is the best initial test to diagnose this case.
Answer is A (Iron binding capacity): The presence of hyperpigmentation and diabetes (bronze diabetes) together with restrictive cardiomyopathy and cirrhosis.suggests a diagnosis of hereditary hematochromatosis. The best initial test to diagnose hereditary hematochromatosis are Transferrin saturation and unsaturated Iro...
18,499
medmcqa_train