An important function of vitamin A is to
1. promote visual pigment of the eye.
2. act as an antioxidant.
3. help with the clotting of blood.
4. help with bile excretion.
Correct Answer: 1
Rationale 1: Vitamin A is needed for precursor retinol for normal vision.
Rationale 2: Vitamin C and E are antioxidants.
Rationale 3: Vitamin K is important in the clotting of blood.
Rationale 4: Vitamin B can help with metabolic processes.
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