All of the following statements regarding cardiac glycosides are true EXCEPT
a) They inhibit the Na+/K+-ATPase and thereby increase intracellular Ca++ in myocardial cells
b) They cause a decrease in vagal tone
c) Children tolerate higher doses of digitalis than do adults
d) The most frequent cause of digitalis intoxication is concurrent administration of diuretics that deplete K+
Correct answers
C
B
C
C
C
C
B
B
B