Answer to Question 1
ANS: A
Potassium products are used prophylactically or to replace potassium that may be lost as a result of long-term diuretic therapy.
Answer to Question 2
ANS: C
Liquid preparations of iron can discolor teeth and should be taken through a straw after dilution with liquids. Absorption of oral iron is inhibited by antacids, milk, and eggs. The liquid preparation of Feosol cannot be mixed with juice.