चिकित्सा स्नातकोत्तर प्रवेश (MECEE-PG) MD / MS / MDS प्रवेश परीक्षा तयारी
चिकित्सा स्नातकोत्तर प्रवेश (MECEE-PG) – MD / MS / MDS प्रवेश परीक्षा
MECEE-PG – MD/MS/MDS · MECEE-PG (MD/MS/MDS)
२,८६५ प्रश्न उपलब्ध। मोड छान्नुहोस्:
MD/MS/MDS प्रवेश: 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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Pharmacologically, which of the following drugs would most likely be prescribed to treat a patient presenting with symptoms suggestive of pulmonary hypertension (high blood pressure in the lungs)?
सही उत्तर: घ) Furosemide
Sildenafil (Viagra) is a phosphodiesterase-5 inhibitor that directly relaxes vascular smooth muscle, leading to vasodilation and decreasing pulmonary arterial pressure. Lisinopril and Metoprolol are ACE inhibitors and beta blockers respectively, used for systemic hypertension; Furosemide is a loop diuretic targeting fluid retention.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In the context of microbiology, which of the following best describes the mechanism by which Vancomycin inhibits bacterial growth?
सही उत्तर: क) Binding to bacterial cell wall peptidoglycan precursors and disrupting synthesis
Vancomycin specifically binds to the D-Ala-D-Ala terminus of peptidoglycan precursors, preventing their incorporation into the growing cell wall. This effectively blocks bacterial growth and is a well-established mechanism. The other options represent mechanisms utilized by different classes of antibiotics.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following pathological conditions is most commonly associated with the presence of ‘ground glass’ appearance on chest CT scans, often indicating active alveolar inflammation and edema?
सही उत्तर: घ) Acute Respiratory Distress Syndrome (ARDS)
ARDS (Acute Respiratory Distress Syndrome) frequently presents with a ‘ground glass’ appearance due to the presence of fluid and inflammatory cells in the alveoli. Pneumonia typically shows consolidation, pulmonary embolism demonstrates vascular congestion, and while pulmonary edema can cause hazy opacities, it doesn't usually exhibit the characteristic ground-glass pattern.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following describes the mechanism of action of glucocorticoids like prednisone in treating inflammatory conditions?
सही उत्तर: ख) B. Suppression of phospholipase A2 activity
Option B is correct; glucocorticoids primarily inhibit phospholipase A2, an enzyme involved in the synthesis of inflammatory mediators from phospholipids. Options A, C, and D represent alternative pathways influenced by glucocorticoids.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A patient presents with severe diarrhea, abdominal cramps, and watery stools following antibiotic use. Microscopic examination reveals excessive neutrophil infiltration into the mucosa. Which of the following bacterial species is MOST likely responsible for this condition?
सही उत्तर: क) A. *Clostridium difficile*
Option A is correct as *Clostridium difficile* colonization and toxin production are the primary cause of pseudomembranous colitis, characterized by neutrophil-rich inflammatory infiltrates. Options B, C, and D represent other bacterial infections with distinct pathological features.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following drugs is MOST frequently associated with causing hypersensitivity reactions characterized by fever, skin rash, and arthralgia?
सही उत्तर: घ) D. Methotrexate
Option D is correct as methotrexate is a known inducer of drug-induced hypersensitivity reactions presenting with fever, rash, and joint pain. Options A, B, and C are common antibiotics but don’t typically cause this specific constellation of symptoms.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The characteristic histological feature of Pneumocystis jirovecii pneumonia (PJP) is:
सही उत्तर: ख) B. Non-cardiogenic pulmonary edema and hyaline membranes
Option B is correct; the hallmark of PJP is non-cardiogenic pulmonary edema, often accompanied by the formation of hyaline membranes within the alveoli. Options A and C are features of other infections, while option D describes a different fungal infection.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following cellular structures is primarily responsible for the pathogenesis of Legionnaires’ disease?
सही उत्तर: ख) B. Macrophages containing *Legionella pneumophila*
Option B is correct because *Legionella pneumophila* bacteria reside within alveolar macrophages, leading to chronic inflammation and pneumonia. Options A, C, and D represent other immune responses or cell types that do not directly mediate the primary damage in Legionnaires’ disease.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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मलेरियाको परजीवीको जीवनचक्र पूर्ण रूपमा पुष्टि गर्न रोसले के प्रयोग गरे?
सही उत्तर: क) संक्रमित लामखुट्टे
पछि उनले संक्रमित लामखुट्टे (यो अवस्थामा कुलेक्स जाति) बाट स्वस्थ चिरबिरमा मलेरियाको परजीवी सारिएर संक्रमण हुने देखाए, जसले मलेरियाको परजीवीको जीवनचक्र पूर्ण रूपमा पुष्टि गर्यो।
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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रोसले संक्रमित लामखुट्टे प्रयोग गरेर के प्रमाणित गरेका थिए?
सही उत्तर: ग) परजीवीहरू स्वस्थ चिरबिरमा संक्रमण गराउँछन्
संक्रमित लामखुट्टे (यो अवस्थामा कुलेक्स जाति) बाट स्वस्थ चिरबिरमा मलेरियाको परजीवी सारिएर संक्रमण हुने देखाए।
💬 टिप्पणी / गल्ती रिपोर्ट (०)
यी अभ्यास प्रश्न हुन्, आधिकारिक प्रश्न होइनन्। पाठ्यक्रम, विज्ञापन र नतिजाका लागि सम्बन्धित निकायको आधिकारिक वेबसाइट हेर्नुहोस्। उत्तरमा गल्ती भेटे प्रश्नमुनिको "टिप्पणी / गल्ती रिपोर्ट" मा लेख्नुहोस्।
नमस्ते! पाठ्यक्रम, सामान्य ज्ञान, भाषा परीक्षा वा कुनै प्रश्नको उत्तर बुझ्न सोध्नुहोस्।
AI ले गल्ती गर्न सक्छ। महत्वपूर्ण कुरा आधिकारिक स्रोतमा जाँच्नुहोस्।