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.Management Sciences
Category: Miscellaneous Biochemistry Mcqs
Somatomedin mediates________________?
A. Deposition of chondroitin sulfate
B. Lipolysis
C. Gluconeogenesis
D. Decreased rate of glucose uptake by cells
Normal serum alkaline phosphatase level is_____________?
A. 100-400 Bodansky units
B. 1000-4000 Bodansky units
C. 0.1-0.4 Bodansky units
D. 1-4 Bodansky units
Free radicals are chemical species which have______________?
A. Single unpaired electron in an outer orbit
B. Single paired electron in an outer orbit
C. Double unpaired electron in an outer orbit
D. Double paired electron in an outer orbit
Within the RBC hypoxia stimulates glycolysis by which of the following regulating pathways ?
A. Hypoxia stimulates pyruvate dehydrogenase by increased, 2, 3DPG
B. Hypoxia inhibits hexokinase
C. Hypoxia stimulates release of all glycolytic enzymes from Band 3 on RBC membrane
D. Activation of the regulatory enzymes by high PH
Hyponatremia is defined as a serum Na+ level ____________________?
A. < 135 mmol/L
B. >135 mmol/L
C. < 160 mmo/L
D. < 100 mmo/L
Which of the following is the best site of absorption of calcium ?
A. Proximal segment of small intestine
B. Middle segment of small intestine
C. Ascending colon
D. Ileum
Generation of free radicals occurs by all of the following mechanism EXCEPT_____________?
A. Normal metabolism
B. Oxygen toxicity
C. Reperfusion after ischemic injury
D. All of the above
FSH, LH, TSH acts through_________________?
A. Cyclic AMP
B. Cyclic GMP
C. Adenosine cyclate
D. Calcium release
The antibacterial substance present in tears which acts by splitting cell wall components is____________?
A. Penicillin
B. Lysozyme
C. Betalysine
D. Lactoperoxidase
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