A nurse is reinforcing teaching with a client about monitoring her blood pressure at home with a digital device. Which of the following statements by the client indicates an understanding of the teaching?

"I will make sure my hand is about 6 inches below my heart when I use the device."

"I will check my blood pressure at a different time each day."

"I will loosely wrap the blood pressure cuff around my upper arm."

"I will know my blood pressure is too high if I get a reading of 140 over 90 or higher."