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

231. Which of the following statements accurately describes the process of oxidative phosphorylation?

     कThe synthesis of ATP via hydrolysis of ADP and inorganic phosphate खThe breakdown of glucose to produce energy गThe movement of electrons along an electron transport chain, coupled with ATP synthesis घThe direct conversion of light energy into chemical energy
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

232. Given a patient presenting with persistent hyperkalemia, muscle weakness, and ECG abnormalities, which of the following cellular compartments is most likely contributing to this imbalance?

     कLysosomes खGolgi Apparatus गSarcoplasmic Reticulum घEndoplasmic Reticulum
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     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

233. Which enzyme is MOST directly involved in converting glucose to lactate during anaerobic glycolysis?

     कa) Phosphofructokinase खb) Lactate dehydrogenase गc) Hexokinase घd) Pyruvate kinase
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

234. The glomerular filtration rate (GFR) accurately reflects which of the following?

     कa) The total amount of water excreted by the kidneys खb) The volume of fluid filtered at the glomerulus per unit time गc) The reabsorption of sodium and chloride in the proximal tubule घd) The secretion of potassium ions into the distal tubule
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

235. Which hormone primarily regulates glucose levels in the body by stimulating insulin production?

     कa) Cortisol खb) Insulin गc) Glucagon घd) Epinephrine
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

236. The Bohr effect describes a shift in hemoglobin's affinity for oxygen. What factors primarily influence this shift?

     कa) Increased pH and decreased temperature खb) Decreased pH and increased temperature गc) Constant pH and high temperatures घd) High pH and low temperatures
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

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     टिप्पणी जाँचपछि मात्र देखिन्छ।

237. The primary hormone responsible for maintaining blood glucose levels after a meal is:

     कInsulin खGlucagon गCortisol घEpinephrine
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

238. Which of the following accurately explains the concept of isoenzyme specificity?

     कIsoenzymes catalyze reactions at drastically different rates खIsoenzymes catalyze the same reaction but exhibit variations in their kinetic parameters (Km, Vmax) गIsoenzyme specificity is solely determined by the substrate’s molecular weight घIsoenzymes catalyze completely different biochemical pathways
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239. Which of the following statements accurately describes the role of carbonic anhydrase in red blood cells?

     कIt facilitates oxygen diffusion across the cell membrane खIt catalyzes the hydration of carbon dioxide to bicarbonate गIt plays a crucial role in maintaining cellular osmotic balance घIt directly binds and transports oxygen molecules
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

240. Which of the following best describes the primary function of the juxtaglomerular apparatus?

     कRegulation of blood glucose levels खStimulation of urine production via renin release गTransport of nutrients from the glomerulus to Bowman’s capsule घMaintenance of constant glomerular filtration rate
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।