24 Questions
Which chamber of the heart has the thickest wall?
Left Ventricle
What is the function of the myocardium?
To aid in contraction
Which valve separates the right atrium and right ventricle?
Tricuspid Valve
What is the function of the electrical conduction system in the heart?
To coordinate contraction and relaxation of the heart chambers
Which blood vessel carries deoxygenated blood from the heart to the lungs?
Pulmonary Artery
What is the outermost protective membrane of the heart called?
Fibrous pericardium
Which electrolytes are involved in generating electricity for the heart?
Potassium and Sodium
Where is the heart located within the body?
Thoracic cavity
What is the function of the capillaries in the cardiovascular system?
To perfuse the organs and tissues with oxygenated blood
Which chamber of the heart receives oxygenated blood from the lungs?
Left Atrium
What is the pathway of electrical impulses that generates a heartbeat called?
Conduction Pathway
Which layer of the heart outlines the heart and decreases friction?
Epicardium
What is the average cardiac output for a healthy adult?
5L/min
Which node in the heart's conduction pathway is known as the 'pacemaker' of the heart?
Sinoatrial (SA) Node
What is the function of the Atrioventricular (AV) Node in the heart's conduction pathway?
Delays conduction briefly
What is the formula for calculating cardiac output (CO)?
$CO = SV * HR$
What is the purpose of the Purkinje Fibers in the heart's conduction system?
Cause all cells of the ventricles to contract
What is the function of the Interatrial Node/Pathway/Bundle in the heart's conduction pathway?
Rapidly sends an impulse from right atrium to left
What is the normal range for ejection fraction in percentage?
55% to 70%
What does the term 'Diastole' refer to in the cardiac cycle?
Relaxation of chambers
What is the purpose of the Bundle of His in the heart's conduction pathway?
Sends impulse from right atrium to left
What is the formula for calculating cardiac output (CO) in liters per minute?
$CO = SV * HR$
What is the function of the Right and Left Bundle Branches in the heart's conduction pathway?
Delay conduction briefly
What is the function of the Atrioventricular (AV) Node in the heart's conduction pathway?
Delays conduction briefly
Test your knowledge of the cardiovascular system with this quiz. Explore the anatomy of the heart, coronary circulation, and the function of the heart, blood vessels, arteries, veins, and capillaries. This quiz is based on Chapter 21 of N1110 Medical Surgical Nursing by Elena Soto, MSN, RN.
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