Identify the three (3) specific tasks that can be done using a microscope. List down the fields or disciplines where microscopes are being used for.

Anurse is caring for a client who has nicotine use disorder and asks about taking varenicline. the nurse should identify that which of the following conditions is a contraindication for this medication? a. rheumatoid arthritis b. copd c. anorexia nervosa d. major depressive disorder