A Patient Reports Wanting to Take Vitamin a to Prevent

A patient reports wanting to take vitamin A to prevent blindness.Which response by the nurse is correct?

A) "Vitamin A can be taken prophylactically without serious adverse effects."
B) "Vitamin A does not have any effects on vision."
C) "Vitamin A is difficult to obtain through dietary intake alone."
D) "Vitamin A is stored in the liver for up to 2 years, and toxicity can occur."