Posted: October 21st, 2017
A camp nurse is applying sunscreen to a group of children enrolled in swim classes. Chemical sunscreens are most effective when applied:
A camp nurse is applying sunscreen to a group of children enrolled in swim classes. Chemical sunscreens are most effective when applied:
a. Just before sun exposure
b. 5 minutes before sun exposure
c. 15 minutes before sun exposure
d. 30 minutes before sun exposure
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