1401. The vitamin K dependent protein C and S are characterized by their ability to inactive factor:
A. VIII a and V a *
B. VIII a
C. V a
D. None of the above
1402. Who is known for his work on scurvy?
A. Fracastorius
B. James Lind *
C. John Snow
D. Edward Jenner
1403. Aniacinosis result in :
A. Perleche
B. Beri Beri
C. Pellagra *
D. Nyctalopia
1404. Biotin is required for the activity of :
A. Pyruvate carboxylase *
B. Lactate dehydrogenase
C. Succinate thiokinase
D. Phosphohexose isomerase
1405. All of the following are true about manifestations of vitamin E deficiency except :
A. Hemolytic anemia
B. Posterior column abnormalities
C. Cerebellar ataxia
D. Autonomic dysfunctions *
1406. Both vitamin K and C are involved in :
A. The synthesis of clotting factors
B. Post translational modifications *
C. Antioxidant mechanisms
D. The microsomal hydroxylation reactions
1407. Thiamine deficiency can be diagnosed by measuring :
A. Thiamine levels in blood
B. Alkaline phosphatase levels in blood
C. Transketolase activity in RBC *
D. Plasma pyruvate and lactic acid levels
1408. Vitamin B 12 is :
A. Extrinsic factor of castle *
B. Intrinsic factor of castle
C. Cyano cobalamine
D. A fat soluble vitamin
1409. Sources of the nucleotide portion of NAD include :
A. N-methyl nicotinamide
B. Riboflavin
C. PRPP
D. Tryptophan *
1410. Consumption of raw egg white in the diet may result in the deficiency of :
A. Riboflavin
B. Biotin *
C. Thiamine
D. Pyridoxine