1461. Manganese is a key component of all of the following enzymes except:
A. Arginase
B. Pyruvate carboxylase
C. Ceruloplasmin *
D. Mn-Superoxide dismutase
1462. Which trace mineral is a component of the enzyme that activates vitamin A in the eye?
A. Zinc *
B. Iron
C. Iodine
D. Chromium
1463. Rhodopsin deficiency is chiefly associated with :
A. Vitamin D deficiency
B. Rickets
C. Vitamin A deficiency *
D. Scurvy
1464. Vitamin K:
A. Helps in formation of prothrombin *
B. Inhibition of antithrombin
C. Prevention of capillary fragility
D. Stimulation of hematopoiesis in red bone marrow
1465. Vitamin K antagonizes:
A. Corticosteroids
B. Thrombin formation
C. Bishhydroxy coumarin *
D. Production of clotting factors by liver
1466. In vitamin A deficiency , Patient complains of all of the following except:
A. Night blindness
B. Xeropthalmia
C. Keratosis
D. Phosphoric calciuria *
1467. The vitamin that facilitates iron absorption :
A. Folic acid
B. Ascorbic acid *
C. Biotin
D. Para amino benzoic acid
1468. Active form of vitamin D in kidney is :
A. 1 Dihydroxy cholecalciferol
B. 25 Hydroxy cholecalciferol
C. 1.25 Dihydroxy cholecalciferol *
D. 7 Dihydroxy calciferol
1469. Deficiency of Vitamin A causes the following except :
A. Night Blindness
B. Comal Dryness
C. Bitot’s Spots
D. Myopia *
1470. Fast soluble vitamins are :
A. A,B,D,K
B. A,D,E,K *
C. A,B,E,K
D. A,C,E,K