Answer to Question 1
C
A copper IUD can be inserted up to 7 days after unprotected sexual intercourse to prevent im-plantation of the zygote in women who prefer long-term contraception.
Answer to Question 2
B, C, D, E
Age-related eye changes include corneal flattening, water loss from the lens, and occurrence of presbyopia and ectropion. Subcutaneous fat decreases with aging.