Answer to Question 1
ANS: D
Corticotropin can interact with piperacillin to cause hypokalemia, so serum electrolytes should be monitored. It is not necessary to change the antibiotic. Blood glucose monitoring and cardiac monitoring are not indicated.
Answer to Question 2
ANS: D
Desmopressin is an antidiuretic hormone. The nurse should monitor intake and output as well as serum sodium levels.