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Coverings and Layers of the Heart - Karatina University BSN Quiz

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Coverings and Layers of the Heart - Karatina University BSN Quiz

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Questions and Answers

What separates the chambers on the left side of the heart from the chambers on the right side of the heart?

Visceral pericardium

Interventricular septum (correct)

Auricle

Pericardial sac

Which part of the heart is responsible for expelling blood out of the heart?

Endocardium

Pericardium

Myocardium (correct)

Epicardium

Which structure covers the outer surface of the heart and is also known as the visceral pericardium?

Myocardium

Pericardial sac

Endocardium

Epicardium (correct)

What is the function of the atria in the heart?

Receiving blood Signup and view all the answers

What is located between the parietal and visceral layers of the pericardium and provides lubrication to reduce friction?

Serous fluid Signup and view all the answers

Which part of the heart is composed of a double-layered serous membrane and a tough connective tissue sac?

Pericardium Signup and view all the answers

What is the function of the chordae tendineae in the heart?

Prevent backflow of blood Signup and view all the answers

What is the role of the semilunar valves in the heart?

Prevent backflow from major heart arteries Signup and view all the answers

Which sound is associated with the closing of the atrioventricular (AV) valves?

Lub Signup and view all the answers

What can happen if an incompetent heart valve leads to backflow?

Increased workload on the heart Signup and view all the answers

Which valve is located between the left ventricle and aorta?

Aortic valve Signup and view all the answers

What happens when a chamber wall contracts in relation to heart valve function?

Valves open to allow blood flow Signup and view all the answers

What is the primary function of the cardiovascular system?

To deliver oxygen and nutrients to all body cells Signup and view all the answers

Where is the heart located in relation to the lungs and sternum?

Medial to the lungs and anterior to the sternum Signup and view all the answers

What is the size of the heart approximately?

14 cm long; 9 cm wide Signup and view all the answers

Which part of the heart wall points to the left and terminates at the level of the 5th intercostal space?

Apex Signup and view all the answers

What is found between the lungs and behind the sternum?

Heart location Signup and view all the answers