स्नातकोत्तर मेडिकल प्रवेश (MECEE-PG)
स्नातकोत्तर मेडिकल प्रवेश (MECEE-PG)
MECEE-PG – MD/MS/MDS Entrance · २,८६५ प्रश्न
२,८६५ प्रश्न उपलब्ध। मोड छान्नुहोस्:
MD/MS 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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The process of oxidative phosphorylation primarily takes place across which cellular structure?
सही उत्तर: ग) Mitochondrial Membrane
Oxidative phosphorylation – the major ATP-producing pathway – occurs within the inner mitochondrial membrane. The other structures have distinct functions: ribosomes synthesize proteins, the Golgi apparatus processes and packages molecules, and the endoplasmic reticulum is involved in lipid synthesis and calcium storage.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following enzymes plays a crucial role in the conversion of glucose to glycogen?
सही उत्तर: ख) Glycogen Synthase
Glycogen synthase is the key enzyme responsible for catalyzing the addition of glucose molecules to form glycogen. The other options – amylase, lipase and phosphatase – are involved in different metabolic pathways. It's tempting to think of amylase as related to carbohydrate metabolism, but its primary function is starch breakdown.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Beck's triad (hypotension, distended neck veins, muffled heart sounds) is a classic clinical sign suggestive of:
सही उत्तर: क) Cardiac tamponade
Beck’s triad represents a severe form of hemodynamic instability due to fluid accumulation in the pericardial space, obstructing venous return and masking heart sounds. It strongly suggests cardiac tamponade.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Following total thyroidectomy, temporary hearing loss can be caused by damage to which of the following nerves?
सही उत्तर: घ) Laryngeal nerve
The recurrent laryngeal nerve, a branch of the vagus nerve, innervates the vocal cords and passes near the auditory tube. Injury to this nerve can disrupt airflow and cause temporary conductive hearing loss. The other nerves have distinct primary functions.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following structures is MOST directly involved in the pathophysiology of a Spigelian hernia?
सही उत्तर: ग) The rectus abdominis muscle layer
The rectus abdominis muscle, specifically its lower fibers, provides the weakest point for intra-abdominal contents to protrude. The other options are involved in supporting the abdominal wall but do not directly cause a Spigelian hernia. The external and transversus abdominis layers provide significant support.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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What is the primary mechanism of action of intravenous immunoglobulin (IVIG) in preventing Rh hemolytic disease of the newborn in an Rh-negative mother carrying an Rh-positive fetus?
सही उत्तर: घ) D. It promotes the clearance of fetal red blood cell fragments
IVIG works by providing passively acquired anti-Rh IgG antibodies, which bind to the fetal red blood cells and prevent them from triggering an immune response in the mother. Options A, B, and D are incorrect; IVIG doesn’t directly destroy cells or stimulate antibody production.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A pediatrician is examining a 6-month-old infant who exhibits poor weight gain and delayed motor milestones. Blood tests reveal elevated levels of conjugated bilirubin. What is the most likely underlying cause?
सही उत्तर: ग) C. Newborn Jaundice
Elevated conjugated bilirubin in a 6-month-old infant, coupled with poor weight gain and developmental delay, strongly suggests Gilbert's Syndrome, a genetic condition characterized by impaired bilirubin metabolism leading to increased conjugated bilirubin levels. Option A is unrelated, Option C describes the acute phase of jaundice and Option D is an inflammatory process.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In a newborn infant diagnosed with congenital hypothyroidism, what is the primary long-term concern if diagnosis and treatment are delayed?
सही उत्तर: ख) B. Risk of irreversible neurological damage
Delayed diagnosis of congenital hypothyroidism in newborns can lead to severe, irreversible neurological damage due to the critical role of thyroid hormone in brain development. Option A is a possible complication but not the primary concern. Option C and D are unrelated issues.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A 32-year-old woman presents with recurrent vaginal bleeding after intercourse. Examination reveals a thickened, inflamed cervix and a positive Schiller’s test. Which of the following is the most likely diagnosis?
सही उत्तर: ग) C. Endometrial Hyperplasia
The combination of recurrent bleeding after intercourse, a thickened cervix, and a positive Schiller’s test strongly suggests cervical cancer. While endometrial hyperplasia (Option C) can cause abnormal bleeding, the presentation is more indicative of malignancy. Adenomyosis (Option A) typically presents with dysmenorrhea, not post-coital bleeding.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following describes the primary function of the fontanelles in a newborn infant’s skull?
सही उत्तर: ख) B. To allow for brain growth and movement during infancy
The fontanelles, or gaps between the skull bones in newborns, are crucial for accommodating brain growth and allowing slight movement of the skull during birth. Option A is incorrect because the bones themselves provide primary structural support. Option C is wrong as fontanelles allow passage of fluids but do not prevent infection.
💬 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।
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