Answer to Question 1
ANS: B, D, E
Adolescents should be educated regarding the detrimental effects of sunlight on the skin. Long-term effects include premature aging of the skin; increased risk for skin cancer; and, in susceptible individuals, phototoxic reactions. Exposure to levels of sunlight cause an increase in vitamin D production. Tanning can often reduce outbreaks of acne.
Answer to Question 2
ANS: A, B, D, E
Using the same unsterilized needle to tattoo body parts of multiple teenagers presents the same risk for human immunodeficiency virus (HIV), hepatitis C virus, and hepatitis B virus transmission as occurs with other needle-sharing activities. Contaminated tattoo ink can cause nontuberculous M. chelonae skin infections. The hepatitis E virus is transmitted via the fecaloral route, principally via contaminated water, not by contaminated needles.