Manipal University 2002 Post Graduate Diploma Medical Manipal Academy of Higher Education PG - Question Paper

8. Absorption of H2O in PCT is characteristic by all except: a) Vasopressin dependent b) 60% of water is absorbed c) Depends on solutes d) Vasopressin independent [Ans (a)]
9. PR interaval is: a) 0.12- 0.16 seconds b) 0.3 – 0.4 sec. c) 0.6 – 0.8 sec. d) 0.12 – four sec. [Ans (a)]
10. Normal testicular development requires: a) Xy b) XX c) Y chromosome d) X chromosome [Ans (a)]
11. Function of cochlea is: a)Auditory function b) Nerve deafness c) Basilar membrane is tuned d) Equilibruin is disturbed (ans :a)
12. Action potential is: a) Decremental phenomenon b) Doesn’t obey all or none phenomenon c) K+ goes from ECF to ICF d) Threshold stimulus is needed [Ans (d)]
13. Salivary secretion does all except: a) Lubrication b) Taste sensation c)Digestion of carbohydrates d) Digestion of proteins [Ans (d)]
14. Absorption of vitamin D in intestine is helped by: a) Calcium b) Pottassium c) Magnesin d) Iron [Ans (a)]

BIOCHEMISTRY

1. Competitive inhibition is characterized by: a) Increased Km and V Max is identical b) increased Vmax and Km remains constant c) increased Km and increased Vmax d) reduced Km and increased Vmax (Ans (a)]
2. Collagen synthesis, hydroxyproline is converted to: a) Prolene b) Lysine c) Hydroxylysine d) None of the above [Ans (a)]
3. Ammonium ion is released by: a) Arginase b) Glutamate dehydrogenase c) Glutaminase d) All of the above [Ans (b)]
4. Macrophages in the walls of arteries have receptors for: a) Oxidised IDL b) Oxidased LDL c) LDL d) IDL [Ans (b)](Ref : p 508 robbins)

PHARMACOLOGY

1. Prolactin inhibition is caused by: a) Dopamine b) Bromocriptine antagonist c) CRH d) Acetylcholine [Ans (a)]
2. Mechanism of action of biphosphonates is: a) Increased urinary excretion of calcium b) Osteoclastmediated resorption inhibition c) reduced absorption of calcium from gut. D) Increased absorption of calcium from gut [Ans (b)]
3. Nephrogenic diabetes insipidus is treated by: a) Thiazides b) Carbamazepine c) Vasopressin d) Cyclophosphamide [Ans (a)]
4. Friedrich kind V hyperlipidemia is due to excess of: a) HDL b) LDL c) IDL d) Chylomicrons [Ans (d)]

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