Cardiovascular System

During the Cardiac Cycle, ventricular systole is when what happens?

• The Left Ventricle contracts

• The Right Ventricle contracts

• Both Atria contract

• Both Ventricles contract

During the Cardiac Cycle the diastole phase is when?

• The heart is fully contracted

• The heart is fully relaxed

• The atria are relaxed and Ventricles contracted

• All of the above

The number of times the heart Ventricles beat in one minute is known as?

• Heart Rate
• Stroke Volume
• Cardiac Output

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

• Heart Rate
• Stroke Volume
• Cardiac Output

Chemoreceptors measure?

• Chemical changes
• Increases in blood pressure
• Increased motor activity
• Temperature change

Baroreceptors measure?

• Chemical changes
• Increases in blood pressure
• Increased motor activity
• Temperature change

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

• Increases HR during exercise
• Decreases HR during recovery

Which of the following are the blood vessels that helps blood flow to the heart?

• Veins

• Arteries

• Capillaries

Which of the following are the blood vessels that have a wall that is 1 cell thick?

• Veins

• Arteries

• Capillaries

Which of the following are the blood vessels that have the thickest walls?

• Veins

• Arteries

• Capillaries