Vitamin D_____________?
(A) Absorption requires bile pigments
(B) Synthesis is regulated at the reaction catalyzed by 15-hydroxylase
(C) Deficiency on adults leads to rickets
(D) Along with PTH, increases calcium resorption from bone
In humans and other primates as well as in guinea pigs, this vitamin cannot be synthesized because of the absence of the enzyme L-gulonolactone oxidase: the vitamin is_____________?
(A) Pantothenic acid
(B) Nicotinic acid
(C) Ascorbic acid
(D) Folic acid
Deficiency of nicotinic acid results in____________?
(A) Beri-beri
(B) Pellagra
(C) Night blindness
(D) Pernicious anemia
Scurvy is the result of deficiency of____________?
(A) Vitamin A
(B) Vitamin C
(C) Vitamin B
(D) Vitamin D
The function of vitamin A is/are related to which of the following ?
(A) Retinol
(B) Retinal
(C) Retinoic acid
(D) All of the above
The 3 – D’s dermatitis, diarrhoea and dementia are seen in deficiency of____________?
(A) Thiamin
(B) Riboflavin
(C) Niacin
(D) Pyridoxine
Absorption of vitamin K requires normal absorption of_________________?
(A) Fat
(B) Amino acids
(C) Calcium
(D) Glucose
Vit-K deficiency is indicated by___________?
(A) Low platelet count
(B) Increased prothrombin time
(C) Decreased prothrombin time
(D) None of the above