11/16/2024 10:16 AM
BN507 - Module 14 - The Heart Exam
Questions With Correct Answers
Explain the location of the Heart in the body - answer✔located in the mediastinum, sitting on
the left side more, the apex points down towards the Left hip.
What is the structure of the pericardium? - answer✔Fibrous Pericardium (outermost layer
made of tough dense CT)
Serous pericardium (2 Layers)
Parietal is the outer layer
Visceral is the inner layer
Serous fluid is between these two layers
What is the function of the pericardium - answer✔Anchors heart to diaphragm
does not stretch to prevent heart from overfilling
What is the function of serous fluid in the pericardium? - answer✔Lubricates and allows for
smooth, friction-less movement of the heart.
What are the three layers of the heart wall (deep to superficial) - answer✔Endocardium
(endothelium)
Myocardium (cardiac muscle)
Epicardium (is the visceral layer of serous pericardium)
What is the systemic circulation? - answer✔carries oxygenated blood away from the heart to
the body, and returns deoxygenated blood back to the heart
What is the pulmonary circulation? - answer✔circulation between heart and lungs
What is the flow of blood through the heart? - answer✔Superior and inferior vena cava, right
atrium, tricuspid valve, right ventricle, pulmonary semilunar valve, pulmonary artery, lungs
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