The Primary Care NP Performs a Physical Examination on an 89-Year-Old

The primary care NP performs a physical examination on an 89-year-old patient who is about to enter a skilled nursing facility.The patient reports having had chickenpox as a child.The NP should:

A) obtain a varicella titer.
B) administer the Varivax vaccine.
C) give the patient the Zostavax vaccine.
D) plan to prescribe Zovirax if the patient is exposed to shingles.