The Heart

Front

What is the term for the 'quivering' of the heart resulting in ineffective muscle contraction?

Back

Fibrillation

Front

What device is used to measure blood pressure?

Back

Sphygmomanometer

Front

Which layer of the heart is responsible for its contraction?

Back

Myocardium

Front

What is considered hypertension in terms of blood pressure readings?

Back

140/90 mmHg

Front

What is the term for an unusually high heart rate?

Back

Tachycardia

Front

What is the term for the hardening of the arteries due to plaque buildup?

Back

Atherosclerosis

Front

What is the primary function of the heart?

Back

To pump blood throughout the body.

Front

What is the name of the heart's upper chambers?

Back

Atria

Front

What is the name of the heart's lower chambers?

Back

Ventricles

Front

What is the role of the sinoatrial (SA) node in the heart?

Back

It acts as the natural pacemaker, initiating the heartbeat.