query stringlengths 1 1.57k | pos stringlengths 1 22.5k | idx int64 0 161k | task_name stringclasses 1
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Vogt Koyanagi Harada syndrome is - | Ans. is 'c' i.e., UveitisClinical manifestations of Vogt Kavanadi Harada syndromeOccular involvementC.N.S. involvementAuditory manifestationCutaneous manifestationOccular involvementB/L panuveitis ino Meningismuso Hearing losso VitiligoB/L panuveitis inassociation with serouso Headacheo Tinnituso Alopeciaassociation w'... | 1,700 | medmcqa_train |
Which of the following ultrasound marker is associated with greatest increased risk for Trisomy 21 in fetus? | Ans. Nuchal edema | 1,701 | medmcqa_train |
Cyanide affects respiratory chain by | The toxicity of cyanide is due to its inhibitory effect on the terminal cytochrome which brings cellular respiration to a standstill. The inhibitor usually binds to a different domain on the enzyme, other than the substrate binding site. Since these inhibitors have no structural resemblance to the substrate, an increas... | 1,702 | medmcqa_train |
Mercury affects which part of the kidney - | Ans. (a) PCT(Ref: Robbins 9th/pg 928; 8th/pg 938)Nephrotoxic AKI*Caused by Gentamicin, radiographic contrast agents, heavy metals (eg mercury), organic solvents (eg CCl4 ).*Extensive necrosis along mainly proximal convoluted tubule (PCT) & ascending limb of Henle's loop.*On histologic examination, non-specific tubular ... | 1,703 | medmcqa_train |
A 30 year old lady is to undergo surgery under intravenous regional anesthesia for her left 'trigger finger'. Which one of the following should not be used for patient? | B i.e. Bupivacaine | 1,704 | medmcqa_train |
One primary oocyte forms how many ovum/ova | Observe that whereas one primary spermatocyte gives rise to four spermatozoa, one primary oocyte forms only one ovumHuman embryology Inderbir Singh&;s Tenth edition Pg 23 | 1,705 | medmcqa_train |
The age by which most of the normal babies know their gender is | <p>. Developmental milestones:- GROSS MOTOR DEVELOPMENT: 2 months: Holds head in plane of rest of the body when held in ventral suspension. In prone position in bed, the chin lifts momentarily. 3 months:lift head above the plane of the body. Head control stas by 3 months and fully developed by 5 months. 4 months:Remain... | 1,706 | medmcqa_train |
True about nucleosome | In biology, histones are highly alkaline proteins found in eukaryotic cell nuclei that package and order the DNA into structural units called nucleosomes. They are the chief protein components of chromatin, acting as spools around which DNA winds, and playing a role in gene regulation. Without histones, the unwound DNA... | 1,707 | medmcqa_train |
A 64 year old hypertensive obsese female was undergoing surgery for fracture femur under general anaesthesia. Intra-operatively her end-tidal carbon dioxide decreased to 20 from 40 mm of Hg, followed by hypotension and oxygen saturation of 85%. What could be the most probable cause? | "Arterial blood gas analysis reveals hypoxemia and hypocapnia, with subsequent metabolic acidosis in severe pulmonary embolism. During anaesthesia, end tidal CO2 concentration may fall dramatically because of increased dead space and reduced cardiac output". _________ Anesthesia & Intensive care
Note : Fat embolism ca... | 1,708 | medmcqa_train |
Which of the following drugs is taken during the first pa of the meal for the purpose of delaying absorption of dietary carbohydrates? | Acarbose is alpha glucosidase inhibitor. It inhibits the breakdown of complex carbohydrates to simple carbohydrates and thus they decrease the absorption. Glipizide is second generation sulphonylurea which helps in secretion of insulin. Metformin is biguanide which decrease the synthesis of glucose. Exenatide is GLP-1 ... | 1,709 | medmcqa_train |
Test for tight iliotibial band is | OBER&;S TEST:Used in physical examination to identify tightness of iliotibial band. During the test ,the patient lies on his side with the unaffected leg on the bottom with their shoulder and pelvis in line. The knee may extended or flexed to 90 or 30 degrees.The hip is maintained in slight extension.The test leg is ab... | 1,710 | medmcqa_train |
The antiepileptic drug effective in Lennox-Gastaut syndrome is: | Lamotrigine is the most effective drug among the given options. Ref: Harrisons principles of internal medicine, 18 th edition ; Page : 3263, Table : 369/9. | 1,711 | medmcqa_train |
Ten days after an exploratory laparotomy and lysis of adhesions, a patient, who previously underwent a low anterior resection for rectal cancer followed by postoperative chemoradiation, is noted to have succus draining from the wound. She appears to have adequate source control--she is afebrile with a normal white bloo... | Factors that predispose to fistula formation and may prevent closure include foreign body, radiation, inflammation, epithelialization of the tract, neoplasm, distal obstruction, and steroids.Factors that result in unhealthy or abnormal tissue surrounding the enterocutaneous fistula decrease the likelihood of spontaneou... | 1,712 | medmcqa_train |
All are causes of hypertension with hypokalemia except, | Ans. is 'b' i.e. End stage renal disease Hypertension with HypokalemiaHigh reninRenal artery stenosisAccelerated hypertensionRenin-secreting tumorEstrogen therapyLow reninPrimary aldosteronismAdenomaHyperplasiaCarcinomaAdrenal enzyme defects1 1b- Hydroxylase deficiency17a- Hydroxylase deficiencyCushing's syndrome or di... | 1,713 | medmcqa_train |
All are autosomal dominant except - | Phenylketonuria (PKU) is an inborn error of metabolism that results in decreased metabolism of the amino acid phenylalanine.] Untreated PKU can lead to intellectual disability, seizures, behavioral problems, and mental disorder. It may also result in a musty smell and lighter skin. Babies born to mothers who have poorl... | 1,714 | medmcqa_train |
Primary structural defect of an organ is termed - | Ans. (a) Malformation(Ref: Robbins 9th/pg 452)Malformation refers to primary structural defect of an organ due to intrinsically abnormal developmental process (multifactorial); Eg Anencephaly, Congenital heart defects | 1,715 | medmcqa_train |
First investigation done for abnormal uterine bleeding in reproductive age group is _______ | The first investigation for abnormal uterine bleeding is Urine Beta HCG to rule ouut pregnancy. Abnormal Uterine Bleeding(AUB): is a common and debilitating condition. Chronic AUB was defined as &;bleeding from the uterine corpus that is abnormal in volume, regularity and/or timing that has been present for the majorit... | 1,716 | medmcqa_train |
Female sterilization is absolutely contraindicated in: | There is no absolute medical contraindication for female sterilization. Also remember, : FEMALE STERILIZATION MALE STERILIZATION - Married - Married - 22-49 yrs old female - 22-60 yrs old male - >= 1 child - >= 1 child - No past history in self/ spouse sterilization - No past history in self/ spouse sterilization - MIN... | 1,717 | medmcqa_train |
Causes of biliary tract carcinoma after ingesting infected fish - | In most cases the disease tends to remain low grade and chronic producing only minor symptoms of abdominal distress,intermittent diarrhea and liver pain or tenderness.C.sinensis has been linked to bile duct carcinoma.It is mostly observed in areas where chlonorchiasis is endemic (refer pgno:126 baveja 3 rd edition) | 1,718 | medmcqa_train |
Joint not involved in Rheumatoid ahritis according to 1987 modified ARA criteria? | Tarsometatarsal The 1987 Revised Criteria for the Rheumatoid ahritis 4 out of 7 criteria are required to classify a patient as having rheumatoid ahritis Patients with 2 or more clinical diagnoses are not excluded. 1.Morning stiffness: morning stiffness in and around joints lasting at least 1 hour before maximal improve... | 1,719 | medmcqa_train |
Antibody transfer mother to fetus - | Ans. is 'a' i.e., IgG | 1,720 | medmcqa_train |
Hydrocephalus in infant is best diagnosed by | Ans. a (USG cranium). (Ref. Grainger, Diagnostic Radiology, 4th ed., 2469)Cranial ultrasound of Infants# USG cranium is best method to diagnose hydrocephalus through the anterior and posterior fontanalles.# Progression of hydrocephalus can be estimated by comparison with previous studies.# USG is also helpful in follow... | 1,721 | medmcqa_train |
TRUE/FALSE statements about radial nerve is/are: 1. Branch of posterior cord 2. Nerve of extensor compament of forearm 3. Arise from C5 - T1 4. Anterior interosseous nerve is a branch of it 5. Supply skin of extensor compament | Radial nerve is the largest branch of the posterior cord of the brachial plexus with a root value of C5 - C8 and T1. The radial nerve is commonly injured in the region of the spiral groove. this result in the wrist drop and sensory loss over a narrow strip on the back of forearm, and on the lateral side of the dorsum o... | 1,722 | medmcqa_train |
Which is not a common enzyme for glycolysis and gluconeogenesis? | Seven of the reactions of glycolysis are reversible and are used in the synthesis of glucose by gluconeogenesis. Thus, seven enzymes are common to both glycolysis and gluconeogenesis : (i) Phosphohexose isomerase; (ii) Aldolase; (iii) Phosphotriose isomerase, (iv) Glyceraldehyde 3-phosphate dehydrogenase; (v) Phosphogl... | 1,723 | medmcqa_train |
Hepatotoxic agent is - | Ans. is 'a' i.e., Halothane o Halothane is the most hepatotoxic anesthetic.o Hepatotoxic anaesthetic agents are :1. Chloroform2. Halothane3. Carbon tetrachloride4. Trichloroethylene5. MethoxyfluraneRemembero Nitric oxide is least potent inhalation agent (MAC - 105%).o Halothane is most potent inhalation agent-MAC - 0.7... | 1,724 | medmcqa_train |
Which of the following is the "Least common" complication of measles- | <p>measles complications:- Most common complications are 1. Measles associated diarrhoea. 2. Pneumonia 3. Otitis media 4. Respiratory complications Pneumonia is the most life threatening complication. Pulmonary complications account for more than 90% of deaths due to measles. Neurological complications:- 1. Febrile con... | 1,725 | medmcqa_train |
COX pathway is inhibited by : | Aspirin inhibits COX irreversibly by acetylating one of its serine residues; return of COX activity depends on synthesis of fresh enzyme. Other NSAIDS like indomethacin, diclofenac etc are competitive and reversible inhibitors of COX, return of activity depends on their dissociation from the enzyme which in turn is gov... | 1,726 | medmcqa_train |
Poor prognostic factor in chizophrenia is: | Past history of schizophrenia | 1,727 | medmcqa_train |
In ETC cmplex-4 is inhibited by all except - | Ans. is 'd' i.e., BAL o Rotenone inhibits complex I (NADH-CoQ reductase).Inhibitors of electron transport chain-o Inhibitors of respiratory chain may be divided into three groups : -Inhibitors of electron transport chain properThese inhibitors inhibit the flow of electrons through the respiratory chain. This occurs at ... | 1,728 | medmcqa_train |
Which cranial nerve(s) is/are not involved in "Locked in syndrome"? | Locked-in Syndrome: A pseudo-coma state in which an awake patient has no means of producing speech or volitional movement Retains voluntary veical eye movements and lid elevation Pupils are normally reactive. Aphonic because of the involvement of pyramidal fibers Involvement of medulla leads to 9th, 10th, 12th nerves. ... | 1,729 | medmcqa_train |
True regarding scrum pox is all except | Serum pox is caused by HSV - type I. | 1,730 | medmcqa_train |
All of the following syndromes are seen with obesity except: | Cohen syndrome - Cohen syndrome is Paternal inheritance always associated with obesity Carcinoid syndrome - Excess of 5 HT derivatives : Serotonin increase leads to secretory diarrhea & will Result in weight loss Prader willi syndrome - caused by deletion of chromosome 15 Sho stature, obesity, inappropriate laugh so ca... | 1,731 | medmcqa_train |
A case of injury to right brow due to a fall from scooter present with sudden loss of vision in the right eye.The pupil shows absent direct reflex but a normal consensual pupillary reflex is present. The fundus is normal. The treatment of choice is- | Sudden loss of vision, absent Ipsilateral direct light reflex and normal ipsilateral consensual light reflex suggest the diagnosis of optic nerve injury.
Within 8 hours of injury megadose of iv steroid (methylprednisolone) should be given. If there is no response or deterioration, optic canal decompression should be do... | 1,732 | medmcqa_train |
Cauliflower ear is associated with: | A patient with an auricular hematoma usually presents with an edematous, fluctuant, and ecchymotic pinna, with loss of the normal cailaginous landmarks. Failure to evacuate the hematoma may lead to cailage necrosis and permanent disfigurement known as "cauliflower ear." | 1,733 | medmcqa_train |
True statements regarding epilepsy in pregnancy is: | Ans. is b, i.e. Monotherapy is preferred to polydrug therapy --Dutta Obs 7/e, p 291As discussed earlier, seizure frequency remains unchanged in majority during pregnancy."Frequency of convulsions is unchanged in majority (50%) and is increased in some." --Dutta 7/e, p 291"The risk of developing epilepsy to the offsprin... | 1,734 | medmcqa_train |
Spinal cord in an infant terminates at | In premature & term neonates- it lies b/w 1st & 3rd lumbar veebrae. In children between ages of (1-7yrs)- it lies between 12th thoracic and 3rd lumbar veebra. In adults, it terminates at the level of middle 3rd of body of 1st lumbar veebra which corresponds approximately to transpyloric plane. Spinal cord occupies supe... | 1,735 | medmcqa_train |
A 67 yr male with history of chronic smoking hemoptysis with cough. Bronchoscopic biopsy from centrally located mass shows undifferentiated tumor histopathologically. Most useful I.H.C. (immunohistochemical) marker to make a proper diagnosis would be: | The presence of chronic smoking, cough and hemoptysis in old man is a pointer towards a diagnosis of bronchogenic cancer. The central location suggests the possibility of a squamous cell cancer. Histologically, this tumor is characterized by the presence of keratinization and/or intercellular bridges. HMB (melanoma), H... | 1,736 | medmcqa_train |
Malignant cold nodule in thyroid diagnostic on USG by all EXCEPT | (A) No cystic lesion > USG can also be used to aid in the differentiation between benign and malignant nodules. The following criteria can be used by USG, and favor a diagnosis of malignancy:1) Absence of a halo sign2) Uniformly solid tumor with occasional central necrosis3) Irregular margins4) Fine calcifications5) He... | 1,737 | medmcqa_train |
Most common type of germinal cell tumor in testis is? | Ans. is 'c' i.e., Seminoma * Testicular tumors are divided into two major categories : (i) Germ cell tumors, and (ii) Sex cord tumors.A) Germ cell tumors# More than 95% of testicular tumors are germ cell tumors. They are further divided into -i) Seminoma* It is the most common germ cell tumor of testis. Female counterp... | 1,738 | medmcqa_train |
An order for exhumation can be given by: Maharashtra 08 | Ans. Any of the above | 1,739 | medmcqa_train |
Langerhans cells in skin are : | A i.e Antigen presenting cells | 1,740 | medmcqa_train |
In hyperkalemia with bradycardia treatment is: - | The treatment for hyperkalemia can be thought of in 3 distinct steps. First, antagonize the effects of hyperkalemia at the cellular level (membrane stabilization). Second, decrease serum potassium levels by promoting the influx of potassium into cells throughout the body.(insulin,beta2 agonist) Third, remove potassium ... | 1,741 | medmcqa_train |
In human body, methionine is synthesized from ? | Ans. is 'd' i.e., None Methionine is an essential amino acid, cannot be synthesized in body. | 1,742 | medmcqa_train |
Not a common cause of night blindness: | Cataract is not a common cause of night blindness. Other causes are more recognized causes. Causes of Night Blindness Vitamin A deficiency (first symptom is red-green differentiation anomaly) Pathological myopia Tapetoretinal degenerations{eg. Retinitis pigmentosa(RP)} Familial congenital night blindness Oguchi's disea... | 1,743 | medmcqa_train |
In recent surveillance reports cases of diphtheria are reducing. This is due to - | Ans. is 'c' i.e., Vaccination o The reduced incidence of diphtheria in India is primarily due to the high coverage of appropriate immunization in children and to an apparent reduction in toxin-producing strains of the bacterium. | 1,744 | medmcqa_train |
Total lung capacity depends on: | Ans. C. Lung compliancea. TLC is the maximum volume to which the lungs can be expanded with the greatest possible inspiratory effort.b. TLC=IRV+TV+ERV+RV=IC+RVc. Compliance (stretch ability) of lungs: D is increased in Emphysema (obstructive lungs dis) and decreased in Interstitial pulmonary fibrosis (Restrictive lung ... | 1,745 | medmcqa_train |
A 65-year-old man suffers a sudden fall in mean aerial pressure, 4 hours after his CABG surgery. Other findings include elevated JVP. What is the best next step in the management of this case? | This clinical presentation points towards a likely diagnosis of Cardiac tamponade. It is a common complication post CABG. It can be confirmed on an Echocardiography. It is a life-threatening condition hence it should be managed by immediate return to the OT for exploration and drainage of mediastinal hematoma. | 1,746 | medmcqa_train |
Type IV complex of ETC is inhibited by | Cyanide is probably the most potent inhibitor of ETC (Complex IV). It binds to Fe3+ of cytochrome oxidase blocking mitochondrial respiration leading to cell death. Cyanide poisoning causes death due to tissue asphyxia (mostly of the central nervous system) In Acute cyanide poisoning Amyl nitrite is given followed by so... | 1,747 | medmcqa_train |
A 60 yr old smoker came with a history of painless gross hematuria for one day. Most logical investigation would be | In this case, we should suspect bladder carcinoma ( transitional cell carcinoma ) . Smokers are at a higher risk of developing TCC.Other risk factors being chemical .industry workers in western countries and schistosomiasis in endemic regions . It is more common in males -3:1. They usually presents with painless gross ... | 1,748 | medmcqa_train |
Which Ca has best prognosis: | Oral malignancy with best prognosis is carcinoma lips. Oral cancer with worst prognosis is floor of mouth carcinoma. | 1,749 | medmcqa_train |
Net reproduction rate is : | Total Fertility Rate(TFR) : Number of babies born to a woman
Gross Fertility Rate(GFR) : Number of girl babies born to a woman
Net reproduction rate(NRR) : Number of girl babies born to a woman and taking into account only alive once. | 1,750 | medmcqa_train |
What is the common change in cell death associated with both apoptosis and necrosis ? | Answer- C. Chromatin condensationBoth form of cell death, finally lead to nuclear changes i.e. chromatin condensation (pyknosis). | 1,751 | medmcqa_train |
Drug the choice for hyperthyroidism in first trimester of pregnancy is | Propylthiouracil is the only thioamide which is least teratogenic and hence it is the drug of choice to hyperthyroidism in pregnancy and lactation. | 1,752 | medmcqa_train |
Which of the following coagulation factors causes cross-linking and stabilization of clot? | The loose aggregation of platelets in the temporary plug is bound together and conveed into definitive clot bg fibrin. Fibrin is initially a loose mesh of interlacing strands. It is conveed by the formation of covalent cross-linkages to a dense tight aggregate. The latter reaction is catalyzed by activated factor 13 an... | 1,753 | medmcqa_train |
The first step when doing a pneumonectomy for cancer of the bronchus is to: | Pneumonectomy Pneumonectomy is anatomically more straightforward than lobectomy (in carcinoma bronchus): The pulmonary aery is first dissected, divided and sutured. The pulmonary veins are then isolated divided and sutured. The main bronchus is divided so that no blind stump remains. The technique of stump closure is i... | 1,754 | medmcqa_train |
All are true about DOTS, except ? | Ans. is 'd' i.e., Daily treatment is recommended Directly observed treatment sho course (DOTS) In the Revised National Tuberculosis Control Programme (RNTCP), patients are provided sho course chemotherapy as DOTS. All patients are provided sho-course chemotherapy free of charge. During the intensive phase of treatment ... | 1,755 | medmcqa_train |
A patient on warfarin was given phenobarbitone, The result would have been - | Ans. is 'a' i.e., Increase the dose of warfarin | 1,756 | medmcqa_train |
Which of the following dings is not used for anxiety? | Ans. is 'd' i.e., Haloperidol | 1,757 | medmcqa_train |
True about carotid body receptors ? | Ans. is 'b' i.e., Dopamine is neurotransmitter Peripheral chemoreceptors The peripheral chemoreceptors which regulate respiration are located in the carotid body and aoic bodies. These bodies are located in the connective tissue associated with the vessel wall, at the bifurcation of the common carotid, and on the arch ... | 1,758 | medmcqa_train |
A mother calls you on the telephone and says that her 4-year-old son bit the hand of her 2-year-old son 2 days ago. The area around the injury has become red, indurated, and tender, and he has a temperature of 39.4degC (103degF). Which of the following is the most appropriate response? | Human bites can pose a significant problem. They can become infected with oropharyngeal bacteria, including S aureus, Streptococcus viridans, Eikenella corrodens, and anaerobes. A patient with an infected human bite of the hand requires hospitalization for appropriate drainage procedures, Gram stain and culture of the ... | 1,759 | medmcqa_train |
Most common malignancy in children is – | Most common childhood tumor → Leukaemia
Most common childhood leukemia → ALL
Most common solid tumor of childhood → Brain tumor
Most common tumor in infancy → Neuroblastoma
Most common abdominal tumor in child → Neuroblastoma | 1,760 | medmcqa_train |
A factory worker presents with excessive salivation, blue lines on gums, tremors, disturbed personality, insomnia, and loss of appetite. The most likely poisoning is - | Excessive salivation, blue line on gums, tremors (i.e. Hatter's shake), disturbed personality (i.e. erethism) and loss of appetite (anorexia) suggest the diagnosis of mercury poisoning. | 1,761 | medmcqa_train |
Role of carnitine in lipid metabolism - | Ans. is 'd' i.e.. Transfer of activated long chain FFA into mitochondria o Activated long chain fatty acid (acyl CoA) cannot penetrate inner mitochondrial membrane.o Acyl group of acyl CoA is transferred to carnitine, resulting in formation of acylcarnitine.o Acylcarnitine is then transported across the inner mitochond... | 1,762 | medmcqa_train |
CAMP reaction is shown by which streptococci? | Ans. b (Group B). (Ref. Textbook of microbiology by Ananthanarayan 6th ed. 187).Serological or Lancefield classification system for streptococci1Group A streptococciCatalase -,Beta-hemolysis,Bacitracin sensitive,PYR test +,Ribose not fermented.Includes Streptococcus pyogenes.2Group B streptococciCAMP + and Beta-hemolys... | 1,763 | medmcqa_train |
One gram of smokeless gunpowder produces: Karnataka 11 | Ans. 12,000-13,000 cc of gas | 1,764 | medmcqa_train |
Cranial pa of accessory nerve supplies | Sternocleidomastoid and trapezius develop from branchial arch mesoderm and are supplied by spinal pa of the accessory nerve. Levator scapulae are supplied by a branch from dorsal scapular nerve and branches from C3, C4. BD Chaurasia 7th edition Page no: 65 | 1,765 | medmcqa_train |
Marcus Gunn pupil is due to - | The Relative Afferent Pupillary Defect (RAPD), or Marcus-Gunn Pupil is an extremely significant and highly objective clinical finding in the examination of the visual system. The "swinging flashlight test" is probably the best test for identifying an RAPD. In this test, a strong, steady light is used. The light is shin... | 1,766 | medmcqa_train |
The adverse effect of clozapine - | Side effects of clozapine
Agranulocytosis
Urinary incontinence
Unstable BP & Tachycardia
Hypersalivation (sialorrhoea)
Worsening of diabetes
Weight gain
Seizures
Sedation | 1,767 | medmcqa_train |
Most common cause of death in criminal abortion is? | ANSWER: (B) SepsisREF: Forensic Medicine and Toxicology By R.N.Karmakar page 230, Textbook of Forensic Medicine and Toxicology, Krishan Vij 5th ed fig 26.2The most common complication from illegal abortion is retained product of conception; the most frequent cause of death is infection and sepsis.NATURAL VS CRIMINAL AB... | 1,768 | medmcqa_train |
Most potent statin - | Ans. is 'c' i.e., Rosuvastatin o Two most potent statins are Pitavastatin (most potent) and rosuvastatin most potent). | 1,769 | medmcqa_train |
Contraception of choice for a post paum village woman with one child : | Copper T | 1,770 | medmcqa_train |
A 33-year-old male immigrant from Taiwan presents with increasing right upper quadrant (RUQ) pain. The pain is dull, and it does not radiate or change with eating. On examination the abdomen is soft, there is a mass in the RUQ, and no ascites is clinically detected. He has a prior history of hepatitis B. His laboratory... | (b) Source: (Devita, pp. 533-534) Only the chronic carrier state increases HCC risk, not previous infection. The majority, but not all, of HCC associated with HBV occurs in the setting of cirrhosis (60-90%). Because the latency period of HBV infection is 35 years, before HCC supervenes, early-life infection is strongly... | 1,771 | medmcqa_train |
Which of the following is not done before ABG? | Done Before ABG Allen test: integrity of palmer arch. Heparin: to rinse the syringe Poking the aery at 45-degree angle. Extend wrist joint: Radial Aery tent. | 1,772 | medmcqa_train |
Focal lesion in liver is best detected by | MRI in Liver lesions MRI had emerged as the best imaging test for liver lesion detection and characterization MRI provides high lesion-to-liver contrast and does not use radiation Liver-specific contrast media, such as mangofodipir trisodium (taken up by hepatocytes) and ferrumoxides (taken up by kupffer cells) demonst... | 1,773 | medmcqa_train |
A patient presents with LMP 8 weeks ago. She has history of delayed cycles in the past. Which of the following is the most accurate way of dating the pregnancy? | CRL is the best USG parameter to determine gestational age in first trimester Crown rump length - it is the longest straight line measurement of the embryo from the other margin of cephalic pole to rump mid-sagittal plane with fetus in neutral , non fixed position - Best seen on TVS - Overall best USG parameter to asse... | 1,774 | medmcqa_train |
Pectinate line is an impoant landmark because? | All of the above | 1,775 | medmcqa_train |
A lady used to repeatedly wash her hands due to the fear of acquiring AIDS is due to | (A) OCD # Obsessive-compulsive disorder (OCD) is a psychiatric anxiety disorder most commonly characterized by a subject's obsessive, distressing, intrusive thoughts and related compulsions (tasks or "rituals") which attempt to neutralize the obsessions.# Obsessions are defined by:> Recurrent and persistent thoughts, i... | 1,776 | medmcqa_train |
A 5-year-old boy is brought to the emergency room with a fever of 103degF (38.7degC), chest pain, and productive cough. The patient has a history of recurrent pulmonary disease and respiratory distress. What microorganism recovered from the lungs of this child is virtually diagnostic of cystic fibrosis? | Cystic fibrosis is the most common lethal autosomal recessive disorder in the white population. The disease is characterized by (1) chronic pulmonary disease, (2) deficient exocrine pancreatic function, and (3) other complications of inspissated mucus in a number of organs, including the small intestine, the liver, and... | 1,777 | medmcqa_train |
Conduction velocity in AV node 8c SA node- | Ans. is 'a' i.e., 0.05 meter/sec Cardiac tissueConduction velocity (meter/second)SA node0 [?] 05Inteatrial pathways1Atrial muscle0 [?] 30AV node0 [?] 05 (minimum)Bundle of His1Purkinje system4 (maximum)Ventricular muscle1 | 1,778 | medmcqa_train |
Which of the following cells do Natural killer cells attack? | . Cells which are not able to express MHC 1 | 1,779 | medmcqa_train |
Continues scrutiny of factors that affect the occurence of a disease is - | Surveillance has been defined as the continuous scrutiny of all aspects of occurrence and the spread of diseases that are peinent to effective control. Surveillance goes beyond the passive repoing of cases Ref: 25th edition, Park's Textbook of Preventive and Social Medicine, Page no. 138 | 1,780 | medmcqa_train |
Most common site of tear in Mallory-weiss syndrome is in | MALLORY WEISS syndrome is seen in adults with severe prolonged vomiting, causing a longitudinal tear in the mucosa of the stomach at and just below the cardia leading to severe hematemesis.violent vomiting may be due to a migraine or veigo or following a bout of alcohol.common in 1 o' clock position.investigations incl... | 1,781 | medmcqa_train |
A patient presented with 2 months history of increased ICP, with massive parietal edema, CT/MRI shows single and were circumscribed region lesion | (A) Granuloma > Granuloma usually presents with increased ICP, with massive parietal edema. CT/MRI shows single circumscribed region lesion. Gliomas include astrocytomas, oligodendrogliomas and mixed tumours. Common sites include the cerebellum, optic nerve and chiasma, hypothalamus and brainstem. Diffuse astrocytomas ... | 1,782 | medmcqa_train |
Incineration is done for waste category ? | Ans. is 'c' i.e., Category 6 | 1,783 | medmcqa_train |
Pathognomic factors involved in foot ulcers in DM include all, Except: | Answer is C (Microangiopathic changes in blood vessels): Macroangiopathic changes in blood vessels in the form of peripheral aerial disease contribute to the generation of foot ulcers and non microangiopathic changes. Pathogenic Factors in generation of foot ulcers in DM Neuropathy (Peripheral Sensory neuropathy): Trop... | 1,784 | medmcqa_train |
Finding on histopathological examination in liver in case of malaria is : | Ans. is 'b' i.e. Kupffer's cell hyperplasia with macrophage infiltration around periportal area laden with pigments * In severe infections with plasmodium falciparum, the vital organs are packed with erythrocytes containing mature form of the parasite.* There is abundant intra and extraerythrocytic pigment and organs s... | 1,785 | medmcqa_train |
Which of the following is true about sickle cell red blood cells? | HbA/S heterozygotes (sickle cell trait) have a sixfold reduction in the risk of dying from severe falciparum malaria. This decrease in risk appears to be related to impaired parasite growth at low oxygen tensions and reduced parasitized red cell cytoadherence. Parasite multiplication in HbA/E heterozygotes is reduced a... | 1,786 | medmcqa_train |
Drug of choice for pneumocystis carinii ? | Ans. is 'a' i.e., Cotrimoxazole | 1,787 | medmcqa_train |
A 26-year-old man is admitted through the casualty of the hospital for a heroin overdose. His hea rate is 45 beats/min, and his blood pressure is 75/40 mm Hg. Which of the following best depicts the results from an aerial blood sample? | This man has a respiratory acidosis. Overdose with drugs that suppress ventilation (e.g., heroin, morphine, barbiturates, methaqualone, and "sleeping pills") often causes hypercapnia. In patients with an intact renal response, the respiratory acidosis causes a compensatory rise in plasma HCO3-, which lessens the fall i... | 1,788 | medmcqa_train |
Most common bone fracture in body is: | Ans: b (Clavicle)Ref: Maheshwari Ortho, 3rd ed, p. 73 | 1,789 | medmcqa_train |
Drug treatment for laryngeal stenosis is | Mitomycin-C is an antineoplastic antibiotic that acts as an alkylating agent by inhibiting DNA and protein synthesis. ... Topical application of mitomycin-C (0.4 mg/mL) was used as an adjuvant treatment in the endoscopic laser management of laryngeal and tracheal stenosis Ref: Internet sources | 1,790 | medmcqa_train |
A 40 year old presenting with dizziness on standing with systolic reduction of BP of 50mm Hg; appropriate treatment | Graduated compression stockings (GCS) help prevent the formation of blood clots in the legs by applying varying amounts of pressure to different pas of the leg. Thigh or waist-high stockings help reduce pooling of blood in the legs and help prevent lightheadedness or falling when you stand up (ohostatic hypotension). S... | 1,791 | medmcqa_train |
A child aged 24 months was brought to the Primary Health Centre with complaints of cough and fever for the past 2 days. On examination, the child weighed 11kg, respiratory rate was 38 per minute, chest indrawing was present. The most appropriate line of management for this patient is ? | Ans. is `c' i.e., Classify as severe pneumonia, sta antibiotics and refer urgently | 1,792 | medmcqa_train |
A 40-year-old female have a right hypochondriac pain. USG is taken. What is the inference? | USG shows highly reflective echogenic focus within the gallbladder lumen, with prominent posterior acoustic shadowing, characteristic of Cholelithiasis. If there is associated cholecystitis, gallbladder wall thickening along with the pericholecytic fluid. Murphy&;s sign might be elicited with probe over gallbladder. | 1,793 | medmcqa_train |
All of the following are known predisposing factors for Alzheimer's disease except : | Answer is C (Smoking):Smoking has not been mentioned as a risk factor, for Alzheimer's disease. | 1,794 | medmcqa_train |
Action of alpha subunit of G-protein is: | Ans. (C) Breakdown of GTP to GDP(Ref: KDT 8th/e p54)Alpha subunit of G protein contains GTPase activity and thus dissociates GTP to form GDP. This result in re-uniting a subunit with b and g subunit | 1,795 | medmcqa_train |
A 50 year old with history of jaundice in the past has presented with right upper quadrant abdominal pain. Examination and investigations reveal chronic calculous cholecystitis. The liver functions tests are within normal limits and on ultrasound examination, the common bile ducts is not dilated. Which of the following... | In the given question there was an episode of jaundice, but LFT is normal and CBD is not dilated. The best option is laparoscopic cholecystectomy only Management of CBD stones associated with GB stones * Pre-operatively detected stones:- * Unsuspected stones found at the time of cholecystectomy:- Experienced laparoscop... | 1,796 | medmcqa_train |
Which muscle paralysis can cause ‘Winging of scapula’? | LONG THORACIC NERVE
■ Arises from ventral rami of C5, C6, and C7.
■ Descends behind the brachial plexus on the lateral surface of the serratus anterior, to which it supplies.
■ The serratus anterior muscle can be examined by asking patient to push against a wall with both hands. Winging of scapula will be typically not... | 1,797 | medmcqa_train |
True about proximal fragment In supratrochantric fracture is | The peritrochanteric fracture is one of the most serious causes of mortality and morbidity in the elderly.
Subtrochanteric fractures account for approximately 10-30% of all peritrochanteric fractures, and they affect persons of all ages.
1,2 The subtrochanteric region of the femur is generally recognized to be the area... | 1,798 | medmcqa_train |
The BEST method for teaching mothers about using ORS is: | A demonstration is a carefully prepared presentation to show how to perform a skill or procedure. Here a procedure is carried out step by step before an audience. Demonstration is found to have high education value in programmes like teaching a mother the use of oral rehydration therapy at home. Ref: Park 21st edition,... | 1,799 | medmcqa_train |
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