Which of the Following Is a Feature of Vitamin D

question 39

Multiple Choice

Which of the following is a feature of vitamin D synthesis?

• A)Tanning lamps and tanning booths do not stimulate vitamin D synthesis.
• B)Sunscreens with sunburn protection factors of 2 and above prevent synthesis of vitamin D.
• C)The ultraviolet rays of the sun are able to easily pierce heavy clouds and smog to promote vitamin D synthesis.
• D)Dark-skinned people require longer sunlight exposure than light-skinned people to synthesize equivalent amounts of vitamin D
• E)The risks of skin cancer often outweigh the benefits of sun exposure for very light-skinned people.

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Definitions:

Visceral Smooth Muscle

A type of smooth muscle containing sheets of muscle that closely contact each other. It is found in the walls of hollow organs such as the stomach, intestines, bladder, and uterus.

Hollow Organs

Organs within the body that have a space or cavity, like the stomach, intestine, or bladder.

Intestines

The elongated part of the digestive system, located between the stomach and the anus, involved in nutrient absorption and waste processing.

Cardiac Muscle

Refers to the specialized muscle tissue found only in the heart, responsible for the heart's contraction and the pumping of blood throughout the body.