A sphygmomanometer is used to:

A) measure arterial blood pressure.
B) listen to breath sounds.
C) check electrical activity of the heart.
D) open an artery.

Sphygmomanometer

A device used to measure blood pressure, comprising a cuff to restrict blood flow and a manometer to measure the pressure.

Arterial Blood Pressure

The force exerted by circulating blood upon the walls of the arteries.

Breath Sounds

The sounds made by air as it moves through the respiratory system, which are auscultated with a stethoscope by a healthcare provider during a physical examination.