👑 VIP Practice Test

CNC Fundamentals of Nutrition Science 5 is part of the expanded VIP practice test library — only for VIP members.

Question 1👑 VIP

Which vitamin is synthesized in the skin upon exposure to ultraviolet B (UVB) radiation and functions as a prohormone regulating calcium absorption?

Remaining questions and full explanations are VIP-exclusive.

Already a VIP member? Enter your email to unlock instantly:
CNC Fundamentals of Nutrition Science 5 Mock Exam 2026