Which of the following is the correct placement of the heart in the body?

• 
• 
• 
• 

Place the layers in order from outermost to innermost.

1.​ ​ (a)   , 2. ​ ​ (b)   , 3. ​ (c)  

• parietal pericardium
• visceral pericardium
• endocardium
• fibrous pericardium
• myocardium

The loop that carries blood from the heart to the lungs and back is called the __________________ circuit.

• pulmonary

• atrial

• systemic

• ventricular

Which of the following chambers of the heart would contain oxygenated blood? (Choose all that apply.)

• right atrium

• left atrium

• right ventricle

• left ventricle

The coronary arteries carry blood to the

• kidneys

• lungs

• lungs

• heart

Deoxygenated blood passes through which of the following heart valves?

• tricuspid valve

• bicuspid/mitral valve

• aortic valve

• pulmonary valve

What is the purpose of the septum?

• It keeps the deoxygenated and oxygenated blood separated

• It separates the right atrium and right ventricle.

• It separates the left atrium and left ventricle.

• It separates the left and right atria.

The relaxation of the ventricles is known as

• diastole

• stroke volume

• systole

• blood pressure

Categorize the event as either diastole or systole:

Isovolumetric contraction of ventricles

• diastole

• systole

Categorize the event as either diastole or systole:

Isovolumetric relaxation of ventricles

• diastole

• systole