10L4 Cardiovascular System: Cardiac Cycle

The volume of blood ejected each time a Ventricle contracts is known as?

• Heart Rate
• Stroke Volume
• Cardiac Output

Which part of the heart is this?

• Aorta
• Right Ventricle
• Left Atrium
• Left Ventricle

The Vagus nerve stimulates the SA Node to speed up the heart beat - True or False

• TRUE
• FALSE

The Sympathetic Nervous system is part of the Autonomic Nervous System and does what?

• Increases HR during exercise
• Decreases HR during recovery

When blood leaves this chamber of the heart, it heads to the lungs

• right atrium

• right ventricle

• left atrium

• left ventricle

This chamber of the heart receives oxygenated blood from the lungs

• right atrium

• right ventricle

• left atrium

• left ventricle

These are the smallest blood vessels with the thinnest walls in order to maximize diffusion of nutrients in and out of the interstitial fluid

• arteries

• veins

• capillaries

• aorta

Which of the following is FALSE about pacemaker cells?

• They allow the heart to beat on its own

• They create their own electrical impulses

• They are part of the sinoatrial node and the atrioventricular node

• They require depolarizing stimulation from the brain

How many valves does  the heart have ? 

• 7
• 4
• 3 
• 2 

How many chambers does the heart have ? 

• 4
• 6
• 3
• 1