The Nurse Is Instructing a Client on the Proper Use

The nurse is instructing a client on the proper use of an intranasal decongestant.The nurse's caution about rebound effect will center primarily on:

A) concerns about chest pain with repeated use.
B) the need to minimize the drug's systemic effects.
C) the need to count the number of sprays of medication at each application.
D) the need to stop the medication after three to five days of use.