Cardiac Cycle Review

An electrocardiogram measures what?

• The amount of pressure exerted on blood vessels.
• The electrical activity of the heart.
• How many times the heart contracts over time.
• The body's temperature caused by friction of blood in vessel.

Normal blood pressure is...

• 120/80 mmHg
• 80/120 mmHg
• 140/90 mmHg
• 80/140 mmHg

For a blood pressure reading, the number on top measures...

• Diastolic Pressure
• Systolic Pressure
• Diastemic Pressure
• Systemic Pressure

Which contract in unison??

• Top chambers, then bottom chambers.
• Right Chambers, then the Left Chambers
• All four chambers beat in unison.

Diastole refers to what action?

• Filling

• Pumping

Systole refers to what action?

• Filing

• Pumping

The 'Lub' sound of the heart's LUB DUB? are the....

• Tricuspid and mitral valves closing

• Semilunar Valves closing

• Blood flowing through the Pulmonary Trunk and Aorta

• Blood Flowing down into the venticles

The 'Dub' sound of the heart's LUB DUB? are the....

• Atrioventricular valves closing

• Aortic and Pulmonary Valves closing

• Blood flowing through the Pulmonary Trunk and Aorta

• Blood Flowing down into the venticles

What is the definition of the Cardiac Cycle?

• the contraction of the atria

• events that occur during one complete heartbeat

• the contraction and relaxation of the ventricles

• the circulation of blood in the heart

Bradycardia refers to a heart beat that is....

• Normal

• Fast

• Slow

• Unusual