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BIOL 431 – Heart Exam Questions and Answers
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BIOL 431 – Heart Exam Questions and Answers
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BIOL 431 – Heart Exam Questions andAnswers
What is the function of the heart? - Answer-Pumps blood through a closed system of
vessels
Pericardium - Answer-A double-walled sac that:
- Protects and anchors the heart
- Prevents overfilling of the heart with blood
- Allows for the heart to work in a relatively friction-free environment
What are the parts of the pericardium? - Answer-1. Fibrous pericardium
2. Serous pericardium
a. Parietal layer
b. Visceral layer
What are the three layers of the heart wall? - Answer-1. Epicardium
2. Myocardium
3. Endocardium
Which blood vessels supply the right & left atrium? - Answer-Right atrium:
1. Superior Vena Cava, SVC
2. Inferior Vena Cava, IVC
3. Coronary Sinus
Left atrium:
1. Pulmonary Veins
Where does blood travel to from the ventricles? - Answer-Right ventricle pumps blood
into the pulmonary artery, Left ventricle pumps blood into the aorta.
What is the function of the systemic circuit? - Answer-Delivers oxygenated blood to the
body & returns de-oxygenated blood to the heart.
What is the function of the pulmonary circuit? - Answer-Delivers de-oxygenated blood to
the lungs & returns oxygenated blood to the heart.
What are the two atrioventricular (AV) valves? - Answer-Tricuspid (right) &
bicuspid/mitral (left) valves
What are the two semilunar valves? - Answer-Aortic & Pulmonary valves
What three veins empty into the coronary sinus? - Answer-1. Great cardiac vein
2. Middle cardiac vein
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