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
d
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Minerals are organic compounds.?
Indicate whether the statement is true or false
People at higher latitudes with lower exposure to sunlight synthesize vitamin D less efficiently
a. true b. false
Which of the following is NOT a small intestinal cell enzyme?
a. Maltase b. Sucrase c. Lactase d. Pectinase
Which of the following statements describes a person with bulimia nervosa?
A. Has obvious physical and mental symptoms B. Tends to be very thin and emaciated C. Engages in binge eating D. Usually male