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

111. During sleep, what specific brainwave activity is most prominently associated with slow-wave sleep (SWS)?

     कDelta Waves खTheta Waves गAlpha Waves घBeta Waves
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

112. The buildup of ketone bodies in the blood is primarily associated with which metabolic pathway?

     कGlycolysis खKrebs Cycle गBeta-Oxidation घFatty Acid Synthase
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

113. A patient presents with a prolonged prothrombin time (PT). Which vitamin deficiency would most likely be responsible for this finding?

     कVitamin C खVitamin K गVitamin B12 घVitamin A
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

114. Which of the following best describes the role of carbonic anhydrase in mammalian physiology?

     कA. Catalyzing the breakdown of triglycerides into fatty acids खB. Facilitating the conversion of carbon dioxide and water to bicarbonate ions गC. Promoting the synthesis of ATP during cellular respiration घD. Regulating iron absorption from the gastrointestinal tract
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

115. A patient presents with symptoms of muscle weakness and elevated creatine kinase (CK) levels. Further investigation reveals myoglobinuria. Which biochemical pathway's dysfunction could best explain these findings?

     कA. Glycolysis खB. Krebs Cycle (Citric Acid Cycle) गC. Electron Transport Chain घD. Urea Cycle
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

116. The Cori cycle plays a crucial role in glucose homeostasis. Which of the following accurately describes its primary function?

     कA. Converting excess amino acids into glucose for use by the brain खB. Transporting ammonia from muscle tissue to the liver for urea synthesis गC. Directly increasing blood glucose levels after strenuous exercise घD. Removing lactic acid from the blood and returning it to the muscles
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

117. The Bohr effect describes which relationship?

     कIncreased pH decreases oxygen affinity of hemoglobin खDecreased CO₂ levels increase oxygen affinity of hemoglobin गIncreased temperature increases oxygen affinity of hemoglobin घDecreased O₂ tension increases oxygen affinity of hemoglobin
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

118. Which of the following enzymes directly catalyzes the initial step in glycolysis?

     कPyruvate kinase खPhosphofructokinase गHexokinase घGlucose isomerase
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

119. The primary function of melanocytes is to produce:

     कHemoglobin खMelanin गCollagen घKeratin
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

120. Which of the following structures is primarily responsible for the production of surfactant in the fetal lung?

     कType I pneumocytes खType II pneumocytes गAlveolar macrophages घDifferentiated pneumocytes
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।