A Nurse Is Discussing the Role of Vitamin D in Calcium

A nurse is discussing the role of vitamin D in calcium regulation with a nursing student. Which statement by the student indicates a need for further teaching?

A) "Adequate amounts of vitamin D occur naturally in the diet."
B) "Vitamin D₃ is preferred over vitamin D₃."
C) "Vitamin D can promote bone decalcification."
D) "Vitamin D increases the absorption of calcium and phosphorus from the intestine."