SLP4: Cardiorespiratory system

The left atrium receives oxygenated blood.​

• TRUE

• FALSE

The heart is covered with double-layered sac, the pleura.​

• TRUE

• FALSE

The endocardium​ is the innermost layer of the heart wall.

• TRUE

• FALSE

The epicardium is also called the visceral pericardium. ​

• TRUE

• FALSE

The coronary sinus (vein) drains blood into the left atrium.​

• TRUE

• FALSE

The tricuspid valve prevents the backward flow of blood from the left atrium into the left ventricle.

• TRUE

• FALSE

The atrioventricular valves open when the ventricles contract.

• TRUE

• FALSE

The myocardium is composed of cardiac muscle tissue.​

• TRUE

• FALSE

The wall of the left ventricle is thicker than that of the right ventricle.​

• TRUE

• FALSE

The chordae tendineae are attached to the semilunar valve.​

• TRUE

• FALSE