If 10 mg of Rifampicin (K octanol/water of 19.0) is added into a system of 50 mL water and 50 mL of octanol , what is the percentage of the drug that would be found dissolved in the octanol phase *

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