18 Questions
Where does the right atrium receive deoxygenated blood from?
Superior and inferior vena cavae
What is the function of the pericardial fluid?
Reduction of friction as the heart beats
Which chamber is the thickest and most muscular?
Left ventricle
Where does the left ventricle pump oxygenated blood into?
Aorta
What is the location of the apex of the heart?
Inferiorly toward left hip
What is the role of the systemic pump system?
Pumping oxygenated blood from the lungs to the body
What is the function of atria in the heart?
Receive deoxygenated blood and pump it to ventricles
Where does the right ventricle pump deoxygenated blood into?
Pulmonary trunk
What is located at the posterior surface of the heart?
Base
Which valves prevent backflow into atria when the ventricles contract?
Tricuspid
What is the function of Chordae tendinae in the heart?
Anchor AV valves to papillary muscles
Which layer of the heart is composed of cardiac muscle tissue?
Myocardium
What is the function of Serous Pericardium's parietal layer?
To produce a lubricant reducing friction
Why is the Epicardium also known as the Visceral layer?
It protects the outer surface of the heart
Which valve ensures that blood flows from the left ventricle into the aorta to prevent backflow?
Aortic Semilunar
What is the function of the Papillary muscles during ventricular systole?
To prevent AV valves from going into the aorta
Which layer of the heart consists of endothelial cells and covers heart valves?
Endocardium
What does the Fibrous Pericardium do to protect the heart?
Prevents overfilling of the heart with blood
Test your knowledge on the pump systems of the human body, the location of vital organs like the heart, and the external structure of the heart. This quiz covers topics related to pulmonary and systemic circulation, the mediastinum, pericardial cavity, and the external features of the heart.
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