A client diagnosed with hypertension begins drug therapy using an antihypertensive agent. The nurse instructs the client's spouse to remove any objects in the home that can lead to falls. The nurse knows that the teaching has been successful when the client restates which of the following?

a) "Insomnia is a common side effect of antihypertensive medications."
b) "Constant thirst is a common side effect of antihypertensive therapy."
c) "Antihypertensive drugs can lead to falls."
d) "Antihypertensives can lead to memory loss."