Which of the following are examples of plant-derived drugs?
A. Potassium chloride and mineral oil
B. Thyroid hormone and insulin
C. Digitoxin and quinine
D. Cephalosporin and penicillin
E. Pancreatin and pepsin
C. Digitoxin and quinine
Digitoxin is derived from the foxglove plant, and quinine comes from cinchona tree bark.
Health Professions