Final answer:
Auscultation is listening to heart sounds using a stethoscope. A sphygmomanometer measures blood pressure in mm Hg. CPR is a procedure to restore blood flow after the heart has stopped.
Step-by-step explanation:
Auscultation is the use of a stethoscope to listen to the heart sounds. A sphygmomanometer is a device used to measure blood pressure in mm Hg. CPR is a procedure used to restore blood flow after the patient's heart has stopped.