Which of the following statements is true about vitamin and minerals?
a. vitamin d is a water-soluble vitamin that is stored as hydroxycholecalciferol and released so that bones and teeth form normally.
b. deficiencies in vitamin b12 can lead to pernicious anemia.
c. iodine in used to construct hemoglobin and is concentrated in the thyroid gland
d. vitamin c, also known as folic acid, can lead to kidney stone formation when it is too heavily concentrated.

The correct answer is option b. "Deficiencies in Vitamin B12 can lead to pernicious anemia".

Explanation:

Pernicious anemia is a medical condition at which the body could not make enough healthy red blood cells because it lacks vitamin B-12. The lack of vitamin B-12 makes that red blood cells became bigger, which makes them inefficient for oxygen transportation, producing anemia in the patient. This condition is easily treated with the intake of vitamin B-12 pills or shots