आधारभूत विज्ञान (Anatomy, Physiology, Biochemistry) – Basic Sciences MCQ

आधारभूत विज्ञान (Anatomy, Physiology, Biochemistry): प्रश्न र उत्तर

सही लागेको विकल्पमा थिच्नुहोस्। सही भए हरियो, गलत भए रातो देखिन्छ; ३ सेकेन्डपछि सही उत्तर र व्याख्या देखिन्छ।

सही: ० / ०

251. Which anatomical structure is most commonly associated with the formation of the inguinal ligament?

     कThe iliopsoas muscle खThe sartorius muscle गThe rectus abdominis muscle घThe external oblique muscle
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

252. What is the primary function of the hormone insulin?

     कTo stimulate glycogen breakdown. खTo promote fat storage. गTo facilitate glucose uptake into cells. घTo increase blood calcium levels.
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

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     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

253. Which of the following enzymes is predominantly found in the mitochondria and plays a vital role in oxidative phosphorylation?

     कDNA polymerase खAmylase गATP synthase घRibonuclease
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

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     टिप्पणी जाँचपछि मात्र देखिन्छ।

254. Which of the following statements regarding aldosterone's action is MOST accurate?

     कAldosterone increases sodium reabsorption in the distal tubule and collecting duct of the kidney. खAldosterone stimulates glomerular filtration rate (GFR) directly. गAldosterone primarily acts on the hypothalamus to regulate thirst. घAldosterone inhibits potassium secretion into the blood.
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     टिप्पणी जाँचपछि मात्र देखिन्छ।

255. What is the primary role of microtubules within a neuron during an action potential?

     कMaintaining cell structure and providing support खFacilitating glucose transport across the membrane गRapidly transporting neurotransmitters to the synapse घMediating the depolarization and repolarization phases of the action potential
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     टिप्पणी जाँचपछि मात्र देखिन्छ।

256. Concerning the role of collagen in connective tissue, which statement is most accurate?

     कIt primarily provides tensile strength, resisting stretching forces खIt forms a flexible matrix allowing for significant movement गIt is predominantly found in cartilage providing cushioning घIt is absent from bone and contributes mostly to skin elasticity
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

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257. Which of the following processes is *most* directly responsible for the regulation of blood pressure by the sympathetic nervous system?

     कRelease of insulin from the pancreas खActivation of baroreceptors in the carotid sinus गVasodilation of peripheral arteries घIncreased secretion of atrial natriuretic peptide
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258. The primary function of the intercalated cells within the nephron is to:

     कReabsorb glucose and amino acids back into the bloodstream खSecrete potassium and hydrogen ions into the renal tubule गGenerate a concentration gradient in the medulla for water reabsorption घTransport urea from the blood to the renal tubule
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259. Which of the following correctly describes the primary function of aldosterone?

     कRegulation of blood glucose levels खMaintaining electrolyte balance, particularly sodium and potassium गStimulation of gastric acid secretion घIncreased cardiac contractility
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260. A patient presents with elevated blood levels of creatine kinase (CK). Which of the following conditions is MOST likely? (a) Hypothyroidism (b) Myocardial infarction (c) Addison's disease (d) Cushing’s syndrome

     क(a) Hypothyroidism ख(b) Myocardial infarction ग(c) Addison’s disease घ(d) Cushing’s syndrome
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     छलफल / प्रश्न उत्तरमा गल्ती छ

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     टिप्पणी जाँचपछि मात्र देखिन्छ।