query stringlengths 1 1.57k | pos stringlengths 1 22.5k | idx int64 0 161k | task_name stringclasses 1
value |
|---|---|---|---|
In spinal anaesthesia the segmental level of: | Spinal anaesthesia creates a zone of differential blockade in which sympathetic fibres are blocked two segments higher and motor fibres are blocked two segments lower than the level of sensory block. | 13,000 | medmcqa_train |
All of the following agents are used in glaucoma treatment, except | Ref:KD Tripathi 7th edition (page.no: 127,144,153) Katzung 10/e p103 metoprolol is b1 selective blocker, so it can't be used for glaucoma. b2 receptor is present in the eye. so drugs acting on beta 2 should be given. Other drugs used for glaucoma are- b blocker- Timolol,Betaxolol, a agonist ; Apraclonidine,Brimonidine,... | 13,001 | medmcqa_train |
Parasympathetic supply to lacrimal glands are passed through ? | Greater petorsal nerve | 13,002 | medmcqa_train |
Figure shows the mechanism of action of: | Ans. (A) VinblastineThe mechanism shows the inhibition of polymerization of tubulin means the drug inhibit the spindle formation. This mechanism is shown by vinca alkaloids like vincristine and vinblastine.Mechanism on spindleDrugsInhibit polymerization of tubulinVincristine, VinblastineInhibit depolymerization of tubu... | 13,003 | medmcqa_train |
IPC for criminal responsibility defining non-offence is ? | Ans. is 'a' i.e., 82 Criminal responsibility:o Any act wrhich is done by a child under seven years of age is not an offence- Section 82 I.P.C.o A child between seven and 12 years is presumed to be capable of commiting an offence , if he attained ''sufficient maturity of understanding to judge the nature and consequence... | 13,004 | medmcqa_train |
Standard method to differentiate between endotracheal and esophageal intubation is- | Auscultation is the most commonly used method to detect endobronchial intubation. But it may be misleading, as breath sounds can be transmitted to opposite side of the chest. Chest x-ray is reliable but time consuming and expensive. The radio opaque marker at the patient end shoilube in the middle third of trachea. End... | 13,005 | medmcqa_train |
True about vibrio cholerae is - | El - Tor is milder than classical | 13,006 | medmcqa_train |
The frequent mechanism in perforation of appendix is? | Ans. is 'b' i.e., Tension gangrene due to the accumulating secretions | 13,007 | medmcqa_train |
All are ocular emergencies except | Endopthalmitis, Eye injury, Sympathetic opthalmitis all present as ocular emergency. Diabetic retinopathy does not present as ocular emegency. | 13,008 | medmcqa_train |
Which glomerular lesion is seen in cases of reflux nephropathy | FSGS is seen in cases of congenital renal anomalies (unilateral renal agenesis or renal dysplasia) and acquited causes like reflex nephropathy. | 13,009 | medmcqa_train |
A 25 year old colonscopy showed pigmentary deposits and microscopy showed pigment laden macrophages. The women in on laxatives for past one year. Which of the following is the cause of it ? | Ref. KDT. Page. 677.
Senna is obtained from leaves and pod of certain Cassia sp., while Cascara sagrada is the powdered bark of the buck-thorn tree.
These and a number of other plant purgatives contain anthraquinone glycosides, also called emodins.
Senna is most popularly used.
MOA – They not active as such. Unabsorbe... | 13,010 | medmcqa_train |
All are features of ileocecal tuberculosis except? | * Wind Sock Appearance of Duodenum is seen with intraluminal diveiculum of duodenum. Goose neck deformity occurs due to contracted, cicatrized, and pulled-up cecum as well as straightening of the terminal ileum seen in ileocecal tb . The 'Fleischner sign'(also known as the 'inveed umbrella sign'), refers to a widely ga... | 13,011 | medmcqa_train |
Fracture shown in this radiograph is: | Ans. C Bennet's fractureThere is a 2-part fracture of base of thumb (first metacarpal) with intra articular extension. Similar intra articular 3 part or comminuted fracture is known as Rolando's fractureQ. Abductor pollicis longus tendonQ - creates an un-opposed pull on the fracture fragments hence Bennet's fracture re... | 13,012 | medmcqa_train |
Chronic Cor pulmonale is seen in all except: | Answer is None or A (None or Pulmonary embolization): Recurrent pulmonary embolization leads to chronic cor pulmonale, but the question does not mention 'Recurrent' and hence this is the single best answer of exclusion COPD, Cystic Fibrosis and Bronchiectasis may all progress to chronic cor pulmonale Etiology of Chroni... | 13,013 | medmcqa_train |
According to WHO, membranous glomerulonephritis seen in SLE, is- | Ans. is 'd' i.e., Class V KIDNEY INVOLVEMENT IN SLE (LUPUS NEPHRITIS) A. Glomerular disease There are several versions of WHO classification of lupus nephritis ? 1. Minimal or no detectable abnormalities (class 1) o It occurs in less than 5% of patients. o Has best prognosis. 2.Mesangial lupus glomerulonephritis (class... | 13,014 | medmcqa_train |
Ouchterlony procedure is a immunodiffusion by | Single diffusion in one dimension - Oudin procedure
Double diffusion in one dimension - Oakley fulthorpe procedure
Single diffusion in two dimensions - Radial immunodiffusion
Double diffusion in two dimensions - Ouchterlony procedure | 13,015 | medmcqa_train |
Formation of Okazaki fragments occur in | In molecular biology, DNA replication is the biological process of producing two identical replicas of DNA from one original DNA molecule. This process occurs in all living organisms and is the basis for biological inheritance. DNA is made up of a double helix of two complementary strands. During replication, these str... | 13,016 | medmcqa_train |
The earliest change seen in apoptosis is - | Ans. is 'a' i.e., Cell shrinkage Morphological changes in apoptosiso Features of apoptosis areCell shrinkage : It is the earliest changes. It is due to damage to cytoskeleta! proteins.Chromatin condensation (pyknosis)/nuclear compaction : It is the most characteristic feature.Formation of cytoplasmic blebs : It is the ... | 13,017 | medmcqa_train |
Methemoglobinemia may be caused by following agents, EXCEPT: | Drugs Commonly Implicated in Patients with Methemoglobinemia: Analgesics Phenazopyridine Phenacetin Antimicrobials Antimalarials Dapsone Local anesthetics Benzocaine Lidocaine Prilocaine Dibucaine Nitrates/nitrites Amyl nitrite Isobutyl nitrite Sodium nitrite Ammonium nitrate Silver nitrate Sulfonamides Ref: Farmer B.M... | 13,018 | medmcqa_train |
Which of the following results in bitemporal hemianopia? | - Tumors of the pituitary body are MCC of bitemporal hemianopia, Suprasellar tumors like: Craniopharyngioma and Suprasellar meningioma also results in bitemporal hemianopia | 13,019 | medmcqa_train |
Which of the following statistics should be adjusted for age to allow comparisons- | Crude death rate is adjusted on the basis of age to obtain "Age adjusted or standardised death rates". Advantage of age adjusted standardised death rates is that, it removes all the confounding effects of different age structures and yields a single standardised adjusted rate, by which the moality experience can be dir... | 13,020 | medmcqa_train |
Marker of lysosome is: (Repeat) | Ans: A (Acid Phosphatase) Ref: Harpers illustrated biochemistry, 28th edition.Explanation:Markers of Intracellular organellesPlasma Membrane: Na+ K+ ATPase & 5' NucleotidaseCytoplasm: Lactate dehydrogenaseMitochondria: Glutamate dehydrogenaseRibosome: RNAEndoplasmic reticulum: Glucose-6 phosphataseLvsosoitie: Acid phos... | 13,021 | medmcqa_train |
Non professional antigen presenting cell is A/E – | Non-professional antigen presenting cell
o A non-professional APC does not constitutively express the Major Histocompatibility Complex class II
(MHC class II) proteins required for interaction with naive T cells; these are expressed only upon
Stimulation of the non- professional APC by certain cytokines such as IFN-γ.
... | 13,022 | medmcqa_train |
Following MRM parasthesia develops due to involvement of which nerve | .Complications of MRM/mastectomy * Injury/thrombosis of axillary vein * Seroma--50-70% * Shoulder dysfunction 10% * Pain (30%) and numbness (70%) * Flap necrosis/infection * Lymphoedema (15%) and its problems * Axillary hyperaesthesia (0.5-1%) * Winged scapula LYMPHANGIOSARCOMA (Stewa-Treve's syndrome) of upper limb ca... | 13,023 | medmcqa_train |
The lung abscess in children can be caused by all except- | Ans. is 'b' i.e., E. Histolytica Lung abscess in children Lung abscess are most likely to occur in - i) Immunocompromized patients ii) Those with recurrent aspiration v) Complication of pneumonia iii) Malnutrition iv) Blunt chest trauma Organisms commonly causing lung abscess are - Staph. aureus S. pneumoniae Pseudomon... | 13,024 | medmcqa_train |
Forceps are preferred over vacuum for the delivery because of the following reasons except | Ans. a. Vacuum requires more clinical skills than forceps | 13,025 | medmcqa_train |
Soft friable extradural hematoma with honeycomb appearance seen in autopsy in cases of death due to - | Reff: The synopsis of forensic medicine& Toxicology 28th edition pg: 167 Heat hematoma: Heat hematoma is soft, friable clot that is pink in colour and shows honeycomb appearance. It is 2-15 mm thick and contains 100-120 ml of blood. Characteristic feature of thermal injury. | 13,026 | medmcqa_train |
An infant presents with cardiac failure. Examination reveals a weaker femoral pulse when compared to the radial pulse. What is the probable diagnosis? | Ref: Nelson's Textbook of Pediatrics. 19th Edition.Explanation:Weak femoral pulse is indicative of Coarctation of aorta. Normally, the femoral pulse occurs slightly before the radial pulse. Weak femoral pulse or femoral pulse felt after radial pulse is a characteristic feature of COACoarctation of aorta (COA)Constricti... | 13,027 | medmcqa_train |
First cell in RBC development is | . | 13,028 | medmcqa_train |
The mineral having sparing action on vitamin E | The element selenium is found in the enzyme glutathione peroxidase that destroys free radicals. Thus, Se is also involved in antioxidant functions like vitamin E, and both of them act synergistically. To a certain extent, Se can spare the requirement vitamin E, and vice versa.
Ref : Satyanarayana, 3rd ed, pg. ... | 13,029 | medmcqa_train |
If a completely radioactive double stranded DNA molecule undergoes two rounds of replication in a solution free of radioactive label. What is the radioactivity status of the resulting four double stranded DNA molecules | DNA replication is semi conservative. Thus 2 DNA molecules have one strand with radioactivity and other 2 DNA molecules have no radioactivity. | 13,030 | medmcqa_train |
Effect of environment on genes is called – | Eugenics
Science which aims to improve the genetic endowment of human population.
That is improving the quality of the human species or a human population by genetic manipulation.
Eugenic may be :
Negative → Discouraging reproduction by persons having genetic defect or presumed to have inheritable undesirabl... | 13,031 | medmcqa_train |
What should be measured in a newborn who presents with hyperbilirubinemia – | Bilirubin is a tetrapyrrole and a breakdown product of heme catabolism.
Most bilirubin (70%-90%) is derived from hemoglobin degradation and, to a lesser extent, from other hemoproteins. In the serum, bilirubin is usually measured as both direct bilirubin (DBil) and total-value bilirubin
Direct bilirubin correlates with... | 13,032 | medmcqa_train |
Which of the following gene defect is associated with development of medullary carcinoma of thyroid? | Activating point mutation in the RET proto oncogene plays impoant role in development of both familial and sporadiac medullary carcinoma of thyroid. The tumour tissue is firm,pale grey to tan and infiltrative. On microscopy,stroma shows acellular amyloid deposits which are derived from calcitonin polypeptides. Ref: Rob... | 13,033 | medmcqa_train |
21 yearold female presents with history of mild bilateral ptosis, proximal muscle weakness and easy fatiguability. Which amongst the following, is best in diagnosing this condition: March 2013 (b) | Ans. B i.e. Edrophonium test Myasthenia gravis Decreased myoneural junction transmission Features: Dysahria, Dysphagia, Proximal muscle weakness, Sensory modalities and deep tendon reflexes are NORMAL MC used cholinergic drugs: Pyridostigmine/neostigmine Surgical procedure (should be done in all cases): Thymectomy | 13,034 | medmcqa_train |
Investigation of choice for evaluation of acute head injury: AIIMS 14 | Ans. NCCT Head | 13,035 | medmcqa_train |
A 19-year-old G2P1 woman at 9 weeks' gestation presents to the obstetrics and gynaecology clinic for her second prenatal visit. She reports no complaints other than occasional nausea. She had her first child by spontaneous vaginal delivery without complications. She is taking no medications and denies ethanol, tobacco,... | The CDC and ACOG (2008) has recommended prenatal screening for HIV using an “optout approach” this means that the woman is notified that HIV testing is included in a comprehensive set of antenatal tests, but that testing may be declined.
Women are given information regarding HIV but are not required to sign a specific ... | 13,036 | medmcqa_train |
All are indicated in a patient with cystinuria with multiple renal stones except | Ans. a. Cysteamine Patient with cystinuria with multiple renal stones should be treated with increase urine volume (high fluid intake), alkalinization of urine Penicillamine and tiopronin. Cystinuria (AR) Inheritance: Autosomal recessive Molecular defect: Shared dibasic cystine transpoer SLC3A1, SLC7A9Q Tissue manifest... | 13,037 | medmcqa_train |
Whip lash injury occurs in | Whiplash injury In Road traffic accidents, involving acceleration/ deceleration trauma. commonly sustained by the front seat occupant of a car with no or poorly adjusted head rest Sudden hyperextension & then hyperflexion of neck occurs Resulting in fatal contusion or laceration of spinal cord without fracture of spine... | 13,038 | medmcqa_train |
Vesicoureteric reflux is best demonstrated by: | Ans. Micturating cystourethrogram | 13,039 | medmcqa_train |
Which of the following is the commonest site of fibroma? | Fibroma is a rare benign tumor of the vulva arises from deep connective tissues by fibroblast proliferation. Lesions are primarily found on the labia majora. Larger lesions often become pedunculated with a long stalk and may cause pain or dyspareunia. Surgical excision is indicated for symptomatic lesions. Ref: Hoffman... | 13,040 | medmcqa_train |
Biosafety precaution grade III is practiced in all of the following organisms except ? | Human influenza virus is Biosafety grade II virus | 13,041 | medmcqa_train |
Nasal mucosa is supplied by: | Both the internal and external carotid aery supply the nose but main aery is the external carotid aery. Ref.Dhingra5/e p 189 | 13,042 | medmcqa_train |
In coronary bypass graft surgery of a 49-year-old female, the internal thoracic aery is used as the coronary aery bypass graft. The anterior intercostal aeries in intercostal spaces three to six are ligated. Which of the following aeries will be expected to supply these intercostal spaces? | The anterior intercostal aeries anastomose with the posterior intercostal aeries. Ligation of the anterior aeries would not affect the supply of the intercostal spaces because the posterior aeries would provide collateral aerial supply. Branches of the musculophrenic aery provide supply for the lower seventh, eighth, a... | 13,043 | medmcqa_train |
Patent vitello-intestinal duct should preferably be operated at: | Patent Vitello-intestinal Duct The resulting umbilical fistula discharges mucus and rarely, feces A patent vitello-intestinal duct should be excised, together with a Meckel&;s Diveicula if present, preferably when the child is about 6 months old Ref: Bailey 27th edition Pgno : 1044 | 13,044 | medmcqa_train |
A 28 year old female comes to you with history of oligomenorrhea. On examination you note hirsutism and virilisation. USG showed that the left ovary is enlarged. The testosterone levels comes as 4 ng/ml. What is the MOST probable diagnosis? Note: The LH levels are normal. | PCOS is associated with elevated LH and mildly elevated testosterone. In case of stromal hypehecosis, though testosterone is elevated and LH is normal. Markedly elevated testosterone > 2 ng/ml is suggestive of tumor. Ref: Essentials of Gynaecology by Lakshmi Seshadri, Edition 1, page - 254. | 13,045 | medmcqa_train |
Pale waxy umbilicated swelling on the lid is | Eyelid disorders Inflammatory disorders of eyelidsClinical pictureTreatmentBlepharitisSubacute or chronic inflammation of lid margins due to Corynebacterium, Staphylococcus aureus, Demodexfolliculorum&PhthiriasisPalpebraCrusts should be removed, Antibiotic ointment at least twice daily ( Erythromycin or tetracycline ),... | 13,046 | medmcqa_train |
Which of the following is an oral thrombin inhibitor? | Dabigatran etexilate is an oral thrombin inhibitor and rivaroxaban is an oral factor Xa inhibitor. Dabigatran etexilate is used as an alternative to warfarin for stroke prevention in patients with atrial fibrillation. Argatroban is a parenteral direct thrombin inhibitor. Alfimeprase is a fibrinolytic agent. Ref: Harris... | 13,047 | medmcqa_train |
Killian dehiscence is seen in | Inferior constrictor muscle has two pas:- (i) Thyropharyngeous with oblique fibers, and (ii) Cricopharyngeous with transverse fibers Between these two pas of inferior constrictor exists a potential gap called Killian&;s dehiscence. It is also called the gateway to tear as perforation can occur at this site during esoph... | 13,048 | medmcqa_train |
Cataract is caused by ? | Ans. is 'd' i.e., All of the above | 13,049 | medmcqa_train |
NOT true about co-relation is- | Ref:Parks 23rd edition pg 852 In order to find out whether there is significant association or not between the two variables , coefficient or Corelation is calculated . r lies between -1 and +1 r near -1 : indicates strong negative correlation . r = 0 : indicates no association r near +1: indicates strong positive corr... | 13,050 | medmcqa_train |
Anti-ds DNA antibodies are most specific for | The best screening test for SLE is a demonstration of Antinuclear antibodies (ANA) Sensitive test for SLE ANA Specific test for SLE Anti-ds DNA and Anti Sm antibody Ref - Harrison's internal medicine 20e pg 2515, 2516f, 2517t, 2518t, 2522 | 13,051 | medmcqa_train |
Pruritus precedes jaundice in | Primary biliary cirrhosis Believed to be an autoimmune etiology, leading to progressive destruction of intrahepatic bile ducts More common in females Associated with autoimmune disorders (CREST, Sicca syndrome, Autoimmune thyroiditis, Renal tubular acidosis) Clinical features Most patients are asymptomatic, pruritus th... | 13,052 | medmcqa_train |
Esthesio neuroblastoma arises from - | Esthesioneuroblastoma or olfactory neuroblastoma are uncommon highly malignant tumors, arising from the neuroendocrine cells in the olfactory mucosa. Ref : Osborn Neuroradiology 1/e p493 | 13,053 | medmcqa_train |
All of the following blood vessels are a part of Kiesselbachfs plexus except- | Ans. is 'b' i.e., Posterior ethmoidal artery o Four arteries contribute to little's area:# Anterior ethmoidal artery# Septal branch of superior labial artery (Branch of facial A).# Septal branch of sphenopalatine artery (Branch of maxillary A).# Greater palatine artery (Branch of maxillary A).o These arteries anastomos... | 13,054 | medmcqa_train |
Denominator in maternal moality ratio? | Maternal moality rate is total no.of female deaths due tobcomplications of pregnancy, childbih or within 42 days of delivery from puerperal causes in an area during a given year by total no.of live bihs in the same year and area.REF.PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICINE.Editon-21.Page no.-514 | 13,055 | medmcqa_train |
Tadpole cells comma shaped cells on histopathology are seen in - | Ans. is 'c' i.e., Rhabdomyosarcoma Histology of rhabdomvosarcoma o The diagnostic cell of rhabdomyosarcoma is rhabdomyoblast. o Rhabdomyoblast contains eccentric eosinophilic granular cytoplasm rich in thick and thin filaments. o The rhabdomyoblasts may be ? i) Round Elongated Tadpole or Strap cells. o It has three var... | 13,056 | medmcqa_train |
Which of the following is not a boundary of the Koch's triangle? | Koch's triangle boundaries tendon of Todaro opening of coronary sinus at the base septal cusp of tricuspid valve (. atrio ventricular valve) AV node at apex | 13,057 | medmcqa_train |
Tram-line calcification is seen in: | Sturge-Weber syndrome | 13,058 | medmcqa_train |
In the cardiac cycle diagram, when does the first hea sound occur | When ventricle begin to contract isovolumetrically the mitral & tricuspid valves close producing First hea sound Ref: Metting, Physiology pretest and review, 14th edition | 13,059 | medmcqa_train |
True regarding beginning of superficial palmar arch: | Superficial palmar archThe superficial palmar arch is formed as the direct continuation of the ulnar aery beyond the flexor retinaculumThe proximal transverse crease lies at the level of wrist jointThe distal transverse crease corresponds to the proximal border of the flexor retinaculumThe most distal point of superfic... | 13,060 | medmcqa_train |
Which of the following is caused by deletion of all four alpha globin genes | Ans. is 'b' i.e., Hb Bas | 13,061 | medmcqa_train |
Egg is deficient in- | Egg contains all nutrients except carbohydrate and Vitamin ‘C'
Food items as Poor Sources of nutrients :
Milk is a poor source of Vitamin C and Iron.
Milk is a poor source of Calcium.
Milk is a poor source of Carbohydrates.
Food items as Rich Sources of nutrients :
Halibut Liver Oil is richest source of Vitamin A... | 13,062 | medmcqa_train |
Which of the following is not a feature of Nicotine withdrawal? | In nicotine withdrawal there is bradycardia not tachycardia. The most common symptoms of nicotine withdrawal are impaired concentration, irritability, tension, disturbed sleep or drowsiness, intense longing for a cigarette/nicotine, headaches, and an increased appetite leading to weight gain. | 13,063 | medmcqa_train |
Persistent priapism in childhood is due to | (A) Sickle cell anaemia # Priapism in childhood commonly presents as a common symptom of Sickle Cell Disease especially after puberty, mainly as low flow or as a complication of penile trauma (normally high flow, non-ischemic episodes).> This phenotypic manifestation of SCD can cause persistent impotence, erectile dysf... | 13,064 | medmcqa_train |
According to Motor vehicle Act 1988, punishable quantity of Alcohol in blood is | (A) 30 ml In 100 ml of blood> I.P.C. Sec. 185 Driving by a drunken person or by a person under the influence of drugs. - Whoever, while driving, or at- tempting to drive, a motor vehicle -(a) has, in his blood, alcohol exceeding 30 mg Per 100 ml. of blood detected in a test by a breath analyser, or(b) is under the infl... | 13,065 | medmcqa_train |
Without breast feeding the first menstrual usually begins - weeks after delivery : | 6-8 weeks | 13,066 | medmcqa_train |
Little finger of the hand corresponds to which dermatome? | C i.e. C8 dermatome According to International Standards for Classification of Spinal Cord Injury (ISCSCI) dorsal surface of proximal phalanx of thumb corresponds to C6, middle finger to C7 and little finger to C8. | 13,067 | medmcqa_train |
Intraoperative wheezing can be managed by | Among IV induction agents,ketamine has a bronchodilator action. | 13,068 | medmcqa_train |
In a small child diagnosed with H. influenza meningitis, what investigation must be done before discharging him from the hospital? | Ans. (a) BERARef: OP Ghai 8th ed./619; OskisPediatrics: Principles & Practice by Julia A. McMillan | 13,069 | medmcqa_train |
High-risk factor for gestational hypeension include all except: | polyhydaminos is defined as excess of amniotic fluid more than 2000ml.The causes are fetal structural malformations,chromosomal anomalies,multiple pregnancy,immune hydrops fetalis,sacrococccygeal teratoma,maternal diabetes,and maternal substance abuse,chorioangioma of placenta. Refer page no 213 of Text book of obstetr... | 13,070 | medmcqa_train |
2nd messenger in vagal bradycardia ? | Ans. is 'a' i.e., cAMP Muscarinic receptors (cholinergic receptors) in hea are M2 type. These are responsible for vagus mediated bradycardia. M2 mediated actions are through cAMP. TYPES OF RECEPTORS Drug action on receptors is a two step process ? Step 1 - Binding of drug to receptors that leads to conformational chang... | 13,071 | medmcqa_train |
Acute auto-graft rejection occurs within? | Hypersensitivity reaction Time 1. Hyperacute II Minutes 2. Acute IV <6 months 3. Chronic IV >6 months | 13,072 | medmcqa_train |
A 2-year-old child attending daycare develops diarrhoea and gastroenteritis as a result of adenoviral infection. Which of the following adenoviral serotypes would most likely be responsible for this girl's illness? | Adenoviral types 40, 41, and 42 have been shown to be associated with gastrointestinal disease in infants. Adenoviral types 4 and 7, commonly cause upper respiratory infections in military recruits; adenoviral types 19 and 37 have been implicated in causing epidemic keratoconjunctivitis. Ref Robbins 9/e pg 567 | 13,073 | medmcqa_train |
Sister Mary Joseph nodule is most commonly seen with: March 2011 | Ans. B: Stomach cancer Gastric tumour may spread the abdominal cavity to the umbilicus (Sister Joseph's nodule) Sister May Joseph's nodule: Periumbilical nodule/ hard mass Represents metastatin involvement of the paraumbilical nodes from intrapelvic or intraabdominal malignancies Seen with: - Stomach - Large bowel - Ov... | 13,074 | medmcqa_train |
Gamma camera in Nuclear Medicine is used for: | B i.e. Measuring the radioactivity A gamma camera, measures radioactivityQ of the substance that is taken up by specific organ or tissue of interest, by detecting gamma rays Working of gamma camera Nuclear medicine studies require the oral or intravenous introduction of very low level radioactive material (called radio... | 13,075 | medmcqa_train |
atural family planning method ? | Ans. is 'c' i.e., BBT Miscellaneous methods of contraceptions o These are (i) Abstinence, (ii) Coitus interruptus, (iii) Safe period (rhyth method), and (iv) Natural family planning methods. Abstinence o There is complete abstinence from sexual intercourse. It is not used and can hardly be considered as a method of con... | 13,076 | medmcqa_train |
A 45-year-old woman has pain in her fingers on exposure to cold, arthralgias, and difficulty swallowing solid food. She has a few telangiectasias over the chest but no erythema of the face or extensor surfaces. There is slight thickening of the skin over the hands, arms, and torso. What is the best diagnostic workup? | The symptoms of Raynaud phenomenon, arthralgia, and dysphagia point toward the diagnosis of scleroderma. Scleroderma, or systemic sclerosis, is characterized by a systemic vasculopathy of small-and medium-sized vessels, excessive collagen deposition in tissues, and an abnormal immune system It is an uncommon multisyste... | 13,077 | medmcqa_train |
Most common cause of congenital hypothyroidism: | Ref: Nelson s Textbook of Pediatrics. 19th Edition, Page: 1895.Explanation:"Most cases of congenital hypothyroidism results from thyroid dysgenesis"(Ref: Nelson)Thyroid DysgenesisSome form of thyroid dysgenesis (aplasia, hypoplasia, or an ectopic gland) is the most common cause of congenital hypothyroidism, accounting ... | 13,078 | medmcqa_train |
How will you calculate that how much inspired air actually ventilates the alveoli ? | Ans. is 'a' i.e., Single breath N2 method Examiner is simply asking that how will you measure anatomical dead space. When air is breathed in, only the air that reaches the alveoli paicipates in gas exchange. The air in the airways (Trachea, bronchi) is breathed out unchanged as air in them does not paicipate in gaseous... | 13,079 | medmcqa_train |
Which of the following is true about dobutamine? | Ans. is 'a' i.e., It is a strong vasoconstrictor Dobutamine acts on both a and b receptors. o But on clinically employed dose only b, action is prominent i.e. an increase in force of cardiac contraction and output without a significant change in hea rate, BP and peripheral resistance. o Now you must be thinking, why I ... | 13,080 | medmcqa_train |
Delusion is a disorder of: Al 07; Gujarat 07; MP 11; Bihar 12 | Ans. Thought | 13,081 | medmcqa_train |
Cataract in galactosemia is caused by accumulation of: | Inability to metabolize galactose occurs in the galactosemia, which may be caused by inherited defects of galactokinase, uridyl transferase, or 4-epimerase, though deficiency of uridyl transferase is the best known. Galactose is a substrate for aldose reductase, forming galactitol, which accumulates in the lens of the ... | 13,082 | medmcqa_train |
Complementary RNA sequence of 5&; AGTCTGACT3&; | Adenine complementary to uracil in RNA Guanine complementary to cytosineRef: DM Vasudevan, 7th edition, page no: 457 | 13,083 | medmcqa_train |
False about autoimmune atrophic gastritis | TypeA gastritis (Autoimmune gastritis): Type A gastritis involves mainly the body-fundic mucosa. It is also called autoimmune gastritis due to the presence of circulating antibodies and is sometimes associated with other autoimmune diseases such as Hashimoto's thyroiditis and Addison's disease. As a result of the antib... | 13,084 | medmcqa_train |
The commonest tumor of the myocardium is : | Answer is A (Myxoma) The commonest tumor of myocardium is a myxoma. | 13,085 | medmcqa_train |
A 35-year old male presents with a history of urethral discharge for the last three days. A gram stain smear of the discharge is shown below. which of the following is true regarding the likely etiology? | The given gram stain shows gram-negative diplococci within the polymorphs which is characteristic of Neisseria gonorrhoeae infection. Neisseria is not an obligate intracellular organism, it can also occur extracellularly i.e facultative intracellular. Neisseria gonorrhoeae and Neisseria meningitides are pathogenic for ... | 13,086 | medmcqa_train |
Transfusion reaction and erythroblastosis fetalis are- | Ans. is 'b' i.e., Type II hypersensitivity Schick test is an example of type III hypersensitivity or immune-complex reaction.HYPERSENSITIVITYType I (IgE mediated)Type II (IgG IgM ando Eczemacomplement mediated)o Hay fevero Blood transfusion reactionso Asthmao Erythroblastosis fetaliso Atopyo Autoimmune hemolytico Urtic... | 13,087 | medmcqa_train |
All of the following is true about peritonsillar abscess except? | Peritonsillar abscess is a collection of pus outside the capsule in peritonsillar area between capsule (medially) and superior constrictor muscle (laterally). So, pus collection is medial to superior constrictor (not laterally). | 13,088 | medmcqa_train |
Which of the following elements is not required for hydroxylation of proline in collagen synthesis? | Fe2+ and a-ketoglutrate are also needed in hydroxylation of proline for collagen synthesis. | 13,089 | medmcqa_train |
Ketoacidosis without glycosuria is seen in | Starvation: In starvation, the dietary supply of glucose is decreased. Available oxaloacetate is channeled to gluconeogenesis. The increased rate of lipolysis is to provide alternate source of fuel. The excess acetyl CoA is conveed to ketone bodies. The high glucagon level ors ketogenesis. The brain derives 60-75% ofen... | 13,090 | medmcqa_train |
Nerve supply of rhomboids major - | Ans. is'c' i.e.,Dorsalscapular nerveRhomboids major and minor are supplied by dorsal scapular nerve. | 13,091 | medmcqa_train |
All are ototoxic drugs except - | Ans. is 'd' i.e.. Atropine Important ototoxic drugso Aminglycoside antibiotics:Streptomycin, gentamycin, tobramycin, neomycin, fcanamycin, amikacin, sisomycino Other antibiotics: Erythromycin, vancomycin, polymixin B, colistin, Ampicillino Loop diuretics: Furosemide, Ethacrynic acido Antineoplastics : Cisplatin, carbop... | 13,092 | medmcqa_train |
Skin biopsy in leprosy is characterizedby: | D i.e. All of above Skin Biopsy of Leprosy - Lymphocytes, epitheloid cells, granuloma, Langhans type giant cell infiltration around blood vessels, appendages & nervesQ - Foam cells which consists of histiocytes loaded with lipid globules derived from the leprosy bacilli; (in LL) - Z - N stain show large no. of lepra ba... | 13,093 | medmcqa_train |
Infections which are transmitted from man to veebrate animals are called? | Anthropozoonosis are diseases transmitted from veebrate animals to man. Eg. Plague, Rabies Amphixenosis are infections that are maintained in both man and veebrate animals. Eg. T.Cruzi, S. Japonicum Enzootics are endemics occurring in animals. Epornithic is an epidemic of disease in bird population Ref: Park, 21st Edit... | 13,094 | medmcqa_train |
Which of the following is seen in hyperemia? | Ans. is 'b' i.e., Increased arteriolar blood flow to the tissue * Hypermia and congestion are the terms used for increased volume of blood within dilated vessels of an organ or tissue.* Hyperemia is an active process resulting from augmented blood flow to tissue because of arteriolar dilatation, at the site of inflamma... | 13,095 | medmcqa_train |
Froment signs are positive in injury of which nerve | Froment's sign is clinical testing of adductor pollicis .Give the patient a thin book and ask him to grasp it firmly between thumb and index fingers of both hands. If the muscle is healthy and acting normally, the thumb will be straight. but if paralyzed,the thumbs are flexed at IP joints. This is because adductor poll... | 13,096 | medmcqa_train |
Which of the following is most prominent symptom of acoustic neuroma? | Ans:. (c) Sensorineural hearing lossRef Dhingras ENT. 5th ed. /124ACOUSTIC NEUROMA* Acoustic neuroma is also known as vestibular schwannoma, neurilemmoma or eighth nerve tumor.* It arises from superior division of vestibular nerve.* The tumor arises from the Schwann cells of the vestibular, but rarely from the cochlear... | 13,097 | medmcqa_train |
Neutral substances are transported across the cell membrane by | Neutral substances cross membranes based on their concentration gradient. That occurs by diffusion. | 13,098 | medmcqa_train |
In disaster management all are true except | STAGES OF DISASTER CYCLE: Disaster mitigation: Measures designed to either prevent hazards from causing emergency or to lessen the effects of emergency Disaster preparedness Disaster impact Disaster response: Search rescue and first aid, field care, Triage, Tagging, Identification of dead Stage of health and medical re... | 13,099 | medmcqa_train |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.