मेडिसिन – Medicine MCQ
मेडिसिन – MD/MS प्रवेश
Medicine · MECEE-PG – MD/MS/MDS Entrance · ५४२ प्रश्न
५४२ प्रश्न उपलब्ध। मोड छान्नुहोस्:
मेडिसिन: प्रश्न र उत्तर
सही लागेको विकल्पमा थिच्नुहोस्। सही भए हरियो, गलत भए रातो देखिन्छ; ३ सेकेन्डपछि सही उत्तर र व्याख्या देखिन्छ।
सही: ० / ०
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Apart from smoking cessation, which intervention improves survival in COPD with chronic hypoxaemia?
सही उत्तर: क) Long-term oxygen therapy
Long-term oxygen therapy (at least 15 hours/day) improves survival in COPD with chronic hypoxaemia. Bronchodilators improve symptoms but have not been shown to prolong life.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The imaging investigation of choice for suspected pulmonary embolism in a stable patient with normal renal function is:
सही उत्तर: घ) CT pulmonary angiography
CT pulmonary angiography directly shows filling defects in pulmonary arteries. A V/Q scan is an alternative when contrast is contraindicated.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The most common ECG finding in acute pulmonary embolism is:
सही उत्तर: ग) Sinus tachycardia
Sinus tachycardia is the most frequent ECG abnormality in PE. The S1Q3T3 pattern is classic but uncommon.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which drug has been shown to reduce mortality in heart failure with reduced ejection fraction?
सही उत्तर: ख) Spironolactone
Mineralocorticoid receptor antagonists such as spironolactone reduce mortality in HFrEF (RALES trial). Furosemide and digoxin improve symptoms and hospitalisation but not survival.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Dry cough caused by ACE inhibitors is due to accumulation of:
सही उत्तर: क) Bradykinin
ACE also breaks down bradykinin, so ACE inhibitors raise bradykinin levels and cause cough and angioedema. Angiotensin receptor blockers do not affect bradykinin and are the usual substitute.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The murmur of hypertrophic obstructive cardiomyopathy becomes louder with:
सही उत्तर: घ) Valsalva manoeuvre
Valsalva reduces venous return and left ventricular size, increasing outflow obstruction. Squatting and handgrip increase LV volume/afterload and soften the murmur.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The murmur of aortic stenosis is typically:
सही उत्तर: ग) Ejection systolic, radiating to the carotids
Aortic stenosis gives a crescendo-decrescendo ejection systolic murmur in the aortic area radiating to the neck. A pansystolic murmur radiating to the axilla is mitral regurgitation.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Hypotension, raised jugular venous pressure and muffled heart sounds (Beck's triad) suggest:
सही उत्तर: ख) Cardiac tamponade
Beck's triad is the classic sign of cardiac tamponade, often with pulsus paradoxus. Tension pneumothorax also causes hypotension and raised JVP but has absent breath sounds and tracheal deviation, not muffled heart sounds.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following is a MAJOR criterion in the revised Jones criteria for acute rheumatic fever?
सही उत्तर: क) Sydenham chorea
Major criteria include carditis, arthritis, chorea, erythema marginatum and subcutaneous nodules. Fever, raised ESR/CRP and prolonged PR interval are minor criteria.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In infective endocarditis among intravenous drug users, the most commonly affected valve is:
सही उत्तर: घ) Tricuspid valve
Injected bacteria (commonly Staphylococcus aureus) first meet the right-sided valves, so the tricuspid valve is most often involved. Septic pulmonary emboli are a common complication.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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