A nurse is reinforcing teaching with a client who is at 30 weeks of gestation and scheduled for a nonstress test (NST). Which of the following statements by the client indicates a need for further teaching?

"I will have to lie on my back during the test."

"The baby's heart rate will be monitored during the test."

"I need to schedule the test when the baby is usually active."

"I will be able to go to the bathroom during the test as necessary."