A client diagnosed with atherosclerosis and hypertension has been newly prescribed a combination drug of amlodipine and atorvastatin (Caduet). Which statement by the client indicates a need for further teaching?
a. "I'll continue to take my amlodipine with the new medication."
b. "I'll follow up with my nurse practitioner on a regular basis."
c. "I need to quit smoking as soon as I possibly can."
d. "I should drink grapefruit juice while on this drug."