A nurse is reinforcing discharge teaching with the parents of an infant who has a prescription for home oxygen and pulse oximetry monitoring. Which of the following statements by the parents indicates a need for further teaching?

"We will rotate the probe of the pulse oximeter every 24 hours."

"The probe of the pulse oximeter can be applied to a finger or a toe."

"The pulse oximeter might not be accurate during times of excessive movement."

"We will notify the doctor if the pulse oximeter consistently reads 100%."