Multiple Choice
What is the primary function of the cuticle in the integumentary system?
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5. Integumentary System
Introduction to the Integumentary System
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Which vitamin is synthesized through the skin when exposed to sunlight?
A
Vitamin D
B
Vitamin B12
C
Vitamin C
D
Vitamin A
Verified step by step guidance1
Understand that the skin plays a role in synthesizing certain vitamins when exposed to sunlight.
Recall that Vitamin D is unique because it can be synthesized by the body when the skin is exposed to ultraviolet (UV) rays from sunlight.
Recognize that other vitamins, such as Vitamin B12, Vitamin C, and Vitamin A, are typically obtained through diet and not synthesized through the skin.
Identify that the process of synthesizing Vitamin D involves the conversion of a cholesterol derivative in the skin to Vitamin D3 when exposed to UVB radiation.
Conclude that the vitamin synthesized through the skin when exposed to sunlight is Vitamin D.
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