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 formation of urea from ammonia primarily occurs in which organ?
सही उत्तर: ख) Liver
Urea synthesis, a major pathway for nitrogen excretion, predominantly happens within the liver where ammonia reacts with carbon dioxide. The pancreas produces enzymes; the kidney filters waste products and the spleen filters blood.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which hormone primarily regulates fluid and electrolyte balance by increasing sodium reabsorption in the distal convoluted tubule and collecting duct?
सही उत्तर: ख) Antidiuretic Hormone (ADH)
Antidiuretic Hormone (ADH), also known as vasopressin, specifically promotes water reabsorption in response to increased plasma osmolality, thereby increasing sodium reabsorption indirectly. Insulin controls glucose metabolism; thyroxine regulates metabolic rate and cortisol is involved in stress responses.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The process of oxidative phosphorylation, crucial for ATP production within mitochondria, involves which key molecule?
सही उत्तर: घ) Electron Transport Chain
Oxidative phosphorylation utilizes the electron transport chain to generate a proton gradient that drives ATP synthesis. Options 1 and 2 are components of the process, but not the central driver; option 4 directly describes this key mechanism.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In a newborn diagnosed with cystic fibrosis, which of the following respiratory assessments is MOST critical?
सही उत्तर: ख) Measurement of peak expiratory flow rate
Option 1 is correct. Assessing peak expiratory flow rate (PEFR) is a fundamental tool in monitoring the severity of airway obstruction, a key feature of cystic fibrosis. Options 2, 3, and 4 are either not routinely performed or do not directly assess pulmonary function in CF patients.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A preterm infant (30 weeks gestation) presents with persistent vomiting and abdominal distension. Abdominal X-ray reveals pneumatosis intestinalis. Which of the following interventions is MOST appropriate in this scenario?
सही उत्तर: ग) Perform exploratory laparotomy for surgical intervention
Option 2 is correct. Pneumatosis intestinalis, a sign of bowel ischemia or inflammation in preterm infants, requires prompt management to address the underlying cause. TPN provides nutritional support while further investigation and treatment are undertaken. Options 1, 3, and 4 are less likely to address the primary problem.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following clinical signs is MOST indicative of congenital heart disease in a newborn?
सही उत्तर: ग) A murmur heard during cardiac auscultation
Option 2 is correct. Cardiac murmurs are a classic sign of congenital heart disease, reflecting turbulent blood flow across abnormal valve structures. Options 1, 3, and 4 describe other neonatal conditions that do not strongly suggest congenital heart disease.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A pregnant woman presents with severe vaginal bleeding and abdominal pain at 34 weeks gestation. Initial investigations reveal a placenta previa. Which of the following is the MOST appropriate immediate management step?
सही उत्तर: घ) Close the vagina with sutures and monitor for spontaneous placental displacement
Option 3 is correct. Placenta previa presents a significant risk of hemorrhage. Monitoring for spontaneous displacement while preparing for potential surgical intervention is the standard approach. Options 1, 2, and 4 carry higher immediate risks without addressing the primary bleeding issue. Corticosteroids are used to improve fetal lung maturity, not manage placenta previa.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following interventions is MOST crucial in preventing neonatal hypoglycemia immediately after birth?
सही उत्तर: क) Administering intravenous dextrose solution immediately upon arrival
Option 0 is correct. Neonates often experience hypoglycemia due to glycogen stores being depleted during fetal development. Administering dextrose, especially rapidly, is the immediate and most effective intervention. Options 1, 2, and 3 are either less urgent or potentially harmful responses in this critical situation.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A 10-year-old boy presents with fatigue, pallor, and splenomegaly. Laboratory investigations reveal elevated serum iron levels and microcytic anemia. Which of the following is the MOST likely diagnosis?
सही उत्तर: क) a) Iron Deficiency Anemia.
Option A is correct because the combination of fatigue, pallor, splenomegaly and microcytic anemia strongly points towards iron deficiency anemia as the most common cause in this age group. Options B, C and D present with different clinical and laboratory patterns.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A patient is undergoing general anesthesia and develops gustatory sweating (sweating on the cheeks) following a parotidectomy. This phenomenon is known as: (a) Horner's Syndrome (b) Frey’s Syndrome (c) Post-operative shivering (d) Paresthesia
सही उत्तर: ख) (b) Frey’s Syndrome
Frey’s syndrome is characterized by gustatory sweating following removal of facial nerves, primarily due to aberrant regeneration of sympathetic fibers. Horner's syndrome involves ptosis and miosis.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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