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 clinical presentation of Reynolds' pentad – hypotension, distended neck veins, and muffled heart sounds – is MOST indicative of: (a) Acute myocardial infarction (b) Severe sepsis (c) Purulent Cholangitis (Suppurative Cholangitis) (d) Pneumothorax
सही उत्तर: ग) (c) Purulent Cholangitis (Suppurative Cholangitis)
Reynolds' pentad represents a critical clinical sign of severe suppurative cholangitis, often due to ascending infection from the gut. This presentation indicates a rapidly progressing bacterial infection involving the biliary tree.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A 35-year-old female presents with painless, bluish nipple discharge. Imaging reveals a suspicious mass in the right breast. The most likely diagnosis that would warrant further investigation is: (a) Fibrocystic change (b) Dyskemia (c) Invasive ductal carcinoma (d) Benign papilloma
सही उत्तर: ग) (c) Invasive ductal carcinoma
Painless, bluish nipple discharge is a classic symptom of invasive ductal carcinoma. While benign lesions can also cause nipple discharge, the ‘painless’ element strongly suggests malignancy. Dysplasia is not the correct term here.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following conditions is MOST associated with the development of a 'peau d'orange' appearance of the breast skin? (a) Fibrocystic changes (b) Invasive ductal carcinoma (c) Benign papillomas (d) Phyllodes tumor
सही उत्तर: ख) (b) Invasive ductal carcinoma
'Peau d'orange' (orange peel) appearance is a hallmark sign of invasive ductal carcinoma, often associated with extensive lymphatic invasion and skin changes. Fibrocystic changes can cause breast tenderness but rarely manifest this way. Invasive ductal carcinoma is the most common type of breast cancer.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A patient presents with sudden onset abdominal pain, nausea, and vomiting. Examination reveals guarding and rebound tenderness. The most likely diagnosis, based on these findings, is: (a) Appendicitis (b) Pancreatitis (c) Perforated Diverticulitis (d) Mesenteric Ischemia
सही उत्तर: ग) (c) Perforated Diverticulitis
Pancreatitis is the most common cause of acute abdominal pain with guarding and rebound tenderness. While other options can present similarly, pancreatitis fits the clinical presentation best based on current diagnostic criteria. Appendicitis typically presents with localized right lower quadrant pain.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A 6-year-old child presents with recurrent episodes of vomiting and diarrhea leading to dehydration. Physical examination reveals hepatomegaly. Which of the following conditions is MOST likely?
सही उत्तर: ख) Inflammatory Bowel Disease
Celiac disease frequently presents in childhood with gastrointestinal symptoms, particularly vomiting and diarrhea, and can lead to liver involvement (hepatomegaly). IBD, galactosemia, and short gut syndrome have different presentations and associated findings.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following structures is commonly associated with a lesion affecting intention tremor and past-pointing?
सही उत्तर: ख) Cerebellum (vermis)
The correct answer is 1. Intention tremor, dysdiadochokinesia (difficulty coordinating repetitive movements), and past-pointing (difficulty reaching a target accurately) are classic signs of damage to the cerebellum, particularly the vermis. The internal capsule, which passes through the midbrain, can also present with similar symptoms but less consistently due to the complex nature of the movement control circuits. The other options relate to different brain regions and motor functions.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The primary function of Vitamin K within the coagulation cascade is to facilitate the carboxylation of which clotting factors?
सही उत्तर: क) Factor VIII and Factor IX
The correct answer is 0. Vitamin K acts as a cofactor for an enzyme that modifies glutamic acid residues in several coagulation factors (II, VII, IX, X) to gamma-carboxyglutamic acid, enabling them to bind calcium ions and participate effectively in the clotting process. The other options represent different clotting factors or their respective modifications.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A patient presents with symptoms consistent with classical phenylketonuria (PKU). Which enzymatic deficiency is most directly implicated in this condition?
सही उत्तर: ग) Phenylalanine hydroxylase
The correct answer is 2. Classical PKU is caused by a genetic defect in the phenylalanine hydroxylase enzyme, which is essential for converting phenylalanine to tyrosine. This leads to a buildup of phenylalanine in the blood and tissues, causing neurological damage if untreated. The other enzymes listed are involved in different metabolic pathways.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following best describes the role of the 'funny current' (If) within the SA node’s cardiac conduction system?
सही उत्तर: घ) It is responsible for the rapid depolarization during sinoatrial node activation
The correct answer is 3. The 'funny current' (If) is a unique inward sodium current that opens spontaneously in the SA node cells, establishing a slow diastolic depolarization – the initial trigger for each heartbeat. This is why it’s named ‘funny’. The other options describe different aspects of cardiac electrophysiology, but not the fundamental mechanism initiated by If.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Antidiuretic hormone (ADH) primarily regulates water reabsorption in the collecting duct through its action on which specific receptors?
सही उत्तर: ख) Vasopressin receptors
The correct answer is 1. ADH, also known as vasopressin, binds to V2 receptors located in the principal cells of the collecting duct. This binding stimulates the insertion of aquaporins, facilitating water movement into the medullary interstitium and thus increasing water reabsorption. The other options represent different hormones with distinct roles in fluid balance – aldosterone regulates sodium reabsorption, angiotensin II contributes to vasoconstriction and sodium retention, and atrial natriuretic peptide promotes sodium excretion.
💬 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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