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

91. Which of the following is a key function of epithelial tissue? (a) Providing structural support for bones. (b) Acting as a barrier between different environments. (c) Producing hormones in endocrine glands. (d) Facilitating gas exchange in the lungs.

    क(a) Providing structural support for bones. ख(b) Acting as a barrier between different environments. ग(c) Producing hormones in endocrine glands. घ(d) Facilitating gas exchange in the lungs.
    💬 टिप्पणी / गल्ती रिपोर्ट (०)

    छलफल / प्रश्न उत्तरमा गल्ती छ

    पठाउनुहोस्

    टिप्पणी जाँचपछि मात्र देखिन्छ।

92. The process of osmosis describes the movement of: (a) Molecules from an area of high concentration to low concentration. (b) Water molecules across a semi-permeable membrane from a region of high water potential to low water potential. (c) Ions in solution. (d) Glucose molecules into cells.

    क(a) Molecules from an area of high concentration to low concentration. ख(b) Water molecules across a semi-permeable membrane from a region of high water potential to low water potential. ग(c) Ions in solution. घ(d) Glucose molecules into cells.
    💬 टिप्पणी / गल्ती रिपोर्ट (०)

    छलफल / प्रश्न उत्तरमा गल्ती छ

    पठाउनुहोस्

    टिप्पणी जाँचपछि मात्र देखिन्छ।

93. A patient presents with symptoms of increased thirst (polydipsia) and frequent urination (polyuria). This is most likely due to a problem with: (a) The adrenal glands. (b) The kidneys' ability to reabsorb water. (c) The liver’s production of glucose. (d) The pineal gland’s regulation of melatonin.

    क(a) The adrenal glands. ख(b) The kidneys' ability to reabsorb water. ग(c) The liver’s production of glucose. घ(d) The pineal gland’s regulation of melatonin.
    💬 टिप्पणी / गल्ती रिपोर्ट (०)

    छलफल / प्रश्न उत्तरमा गल्ती छ

    पठाउनुहोस्

    टिप्पणी जाँचपछि मात्र देखिन्छ।

94. Which of the following best describes the role of the kidneys in maintaining homeostasis? (a) Primarily involved in protein synthesis. (b) Regulating blood volume, electrolyte balance, and pH levels. (c) Producing red blood cells. (d) Absorbing nutrients from the small intestine.

    क(a) Primarily involved in protein synthesis. ख(b) Regulating blood volume, electrolyte balance, and pH levels. ग(c) Producing red blood cells. घ(d) Absorbing nutrients from the small intestine.
    💬 टिप्पणी / गल्ती रिपोर्ट (०)

    छलफल / प्रश्न उत्तरमा गल्ती छ

    पठाउनुहोस्

    टिप्पणी जाँचपछि मात्र देखिन्छ।

95. The primary function of the sinoatrial (SA) node in the heart is to: (a) Conduct electrical impulses from the atria to the ventricles. (b) Generate and initiate rhythmic electrical signals that drive cardiac contraction. (c) Filter blood entering the right atrium. (d) Regulate the rate of breathing.

    क(a) Conduct electrical impulses from the atria to the ventricles. ख(b) Generate and initiate rhythmic electrical signals that drive cardiac contraction. ग(c) Filter blood entering the right atrium. घ(d) Regulate the rate of breathing.
    💬 टिप्पणी / गल्ती रिपोर्ट (०)

    छलफल / प्रश्न उत्तरमा गल्ती छ

    पठाउनुहोस्

    टिप्पणी जाँचपछि मात्र देखिन्छ।

96. The primary function of the renin-angiotensin-aldosterone system (RAAS) is to:

    कRegulate blood glucose levels खMaintain fluid balance and blood pressure गTransport oxygen throughout the body घPromote bone growth and repair
    💬 टिप्पणी / गल्ती रिपोर्ट (०)

    छलफल / प्रश्न उत्तरमा गल्ती छ

    पठाउनुहोस्

    टिप्पणी जाँचपछि मात्र देखिन्छ।

97. A patient presents with fatigue, bone pain, and Kayser-Fleischer rings (corneal deposits). Which of the following biochemical abnormalities is MOST likely associated with this clinical presentation?

    कWilson's Disease खCeliac Disease गHemochromatosis घPorphyria
    💬 टिप्पणी / गल्ती रिपोर्ट (०)

    छलफल / प्रश्न उत्तरमा गल्ती छ

    पठाउनुहोस्

    टिप्पणी जाँचपछि मात्र देखिन्छ।

98. Which biochemical pathway is most directly involved in the synthesis of cholesterol?

    कGlycolysis खKrebs Cycle (Citric Acid Cycle) गThe Mevalonate Pathway घFatty Acid Synthesis
    💬 टिप्पणी / गल्ती रिपोर्ट (०)

    छलफल / प्रश्न उत्तरमा गल्ती छ

    पठाउनुहोस्

    टिप्पणी जाँचपछि मात्र देखिन्छ।

99. The primary function of the bicarbonate shuttle system during aerobic exercise is to:

    कIncrease oxygen delivery to muscle tissues खMaintain blood pH by buffering hydrogen ions गProvide ATP for muscle contraction घReduce lactic acid production
    💬 टिप्पणी / गल्ती रिपोर्ट (०)

    छलफल / प्रश्न उत्तरमा गल्ती छ

    पठाउनुहोस्

    टिप्पणी जाँचपछि मात्र देखिन्छ।

100. Which of the following cell types is primarily responsible for the synthesis and release of epinephrine?

     कNeurons of the sympathetic nervous system खMelanocytes of the adrenal cortex गChromaffin cells of the adrenal medulla घFibroblasts of the adrenal capsule
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।