Vitamins & Nutrition (Chemistry)

Question 1

Which of the following substances is the biologically active precursor of a fat soluble vitamin?

A) biotin
B) retinol
C) folic acid
D) ascorbic acid

Answer 1

B) retinol

Question 2

Serum concentrations of vitamin B12 are elevated in:

A) pernicious anemia in relapse
B) patients on chronic hemodialysis
C) chronic granulocytic leukemia
D) Hodgkin Disease

Answer 2

C) chronic granulocytic leukemia

Question 3

Absorption of vitamin B12 requires the presence of:

A) intrinsic factor
B) gastrin
C) secretin
D) folic acid

Answer 3

A) intrinsic factor

Question 4

Night blindness is associated with deficiency of which of the following vitamins?

A) A
B) C
C) niacin
D) thiamine

Answer 4

A) A

Question 5

Beriberi is associated with deficiency of which of the following vitamins?

A) A
B) C
C) niacin
D) thiamine

Answer 5

D) thiamine

Question 6

Scurvy is associated with deficiency of which of the following vitamins?

A) A
B) C
C) niacin
D) thiamine

Answer 6

B) C

Question 7

Rickets is associated with deficiency of which of the following vitamins?

A) B1
B) C
C) niacin
D) D

Answer 7

D) D

Question 8

Pellagra is associated with deficiency of which of the following vitamins?

A) A
B) B1
C) thiamine
D) niacin

Answer 8

C) thiamine

Question 9

Assay of transketolase activity in blood is used to detect deficiency of:

A) thiamine
B) folic acid
C) ascorbic acid
D) riboflavin

Answer 9

A) thiamine