1. A 22-year-old wom an recently diagnosed w ith m ild persistent asthm a started treatm ent w ith albuterol as needed and oral zileuton daily. W hich of the follow ing m olecular m echanism s of...

1. A 22-year-old wom an recently diagnosed w ith m ild persistent asthm a started treatm ent w ith albuterol as needed and oral zileuton daily. W hich of the follow ing m olecular m echanism s of action m ost likely m ediated the therapeutic e ect of zileuton in the patient’s disease? A. Activation of ß2 receptors B. Inhibition of 5-lipoxygenase C. Com petitive blockade of leukotriene receptors D. Inhibition of cyclooxygenase-2 E. Com petitive blockade of m uscarinic M3 receptors 2. A 35-year-old wom an presented to her physician com plaining of recent onset of nausea and vom iting in the m ornings. A pregnancy test con rm ed she was pregnant. Past m edical history was signi cant for chronic heart failure, necessitating a m edical abortion. A drug treatm ent for abortion induction was prescribed. Which of the follow ing drugs was m ost likely included in that treatm ent? A. Quinidine B. Ergonovine C. Norgestrel D. Clom iphene E. Misoprostol