Complete each statement by choosing the correct answer from the drop-down menu.

A patient is told to take her medicine “ac,” meaning she should take it _______
before meals
at bedtime
as needed
in the morning
After surgery, a patient may have a lot of pain or a little, so his doctor recommends that he take the medicine only when he needs it. Therefore, his prescription should say _______
prn
a.c.
qd
qad