Vitamins
Which of the following is not true of Vitamin D_______________?
Its deficiency results in rickets
Increase calcium absorption from the intestines
Its active form is calcitriol
Its decrease cause phosphate reabsorption from the kidneys
Its decrease cause phosphate reabsorption from the kidneys
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Cytochromes are_____________?A. Riboflavin containing nucleotides
B. Pyridine nucleotides
C. Metal containing flavoproteins
D. Iron-porphyrin proteins
Thyroxine and catecholamines are derived from_____________?
A. Tyrosine
B. Alanine
C. Tryptophan
D. Leucine
Who is known for his work on scurvy ?
A. John snow
B. James lind
C. Fracastorius
D. Edward Jenner
Aniacinosis results in______________?
A. Beri beri
B. Perleche
C. Pellagra
D. Nyctalopia
Vitamin K____________?
A. Helps in formation of prothrombin
B. Prevention of capillary fragility
C. Inhibition of antithrombin
D. Stimulation of hematopoiesis in red bone marrow
Key enzyme in urea synthesis is____________?
A. Arginase
B. Carbamyl synthetase
C. Urease
D. Ornithine
Angular cheilosis is frequently associated with deficiency of______________?
A. Niacin
B. Riboflavin
C. Thiamine
D. Folic acid
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