MCQ 10

You are called to a delivery of a term infant, about to be born via cesarean section to a mother with multiple medical problems including a 1-month history of a seizure disorder, for which she takes phenytoin; rheumatic heart disease, for which she must take penicillin daily for life; hypertension, for which she takes propanolol; acid reflux, for which she takes aluminum hydroxide; and a deep venous thrombosis in her left calf diagnosed two days ago, for which she was started on a heparin infusion.The obstetrician is concerned about the possible effects of the mother’s multiple medications on the newborn infant. You correctly note that the one medication most likely to cause harm in this newborn infant at delivery is
a. Propanolol
b. Penicillin
c. Aluminum hydroxide
d. Phenytoin
e. Heparin