TheoryNBCE Part 1 Chiro Exam Prep Practice Test Video
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Q1Which of the following cardiac valves is located between the left atrium and left ventricle?
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✓ Correct answer: Mitral valve
The mitral (bicuspid) valve is located between the left atrium and left ventricle, controlling blood flow between these two chambers during the cardiac cycle.
Q2Which structure forms the anatomical boundary between the right and left ventricles of the heart?
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✓ Correct answer: Interventricular septum
The interventricular septum is the muscular wall that separates the right and left ventricles of the heart, preventing mixing of oxygenated and deoxygenated blood.
Q3Which of the following vessels carries oxygenated blood from the heart to the systemic circulation?
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✓ Correct answer: Aorta
The aorta is the main artery that carries oxygenated blood from the left ventricle of the heart to the systemic circulation for distribution throughout the body.
Q4Which layer of the heart wall contains cardiac muscle cells?
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✓ Correct answer: Myocardium
The myocardium is the middle and thickest layer of the heart wall, consisting primarily of cardiac muscle cells that contract to pump blood through the circulatory system.
Q5Which of the following is NOT a chamber of the heart?
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✓ Correct answer: Ventriculum
The ventriculum is not a chamber of the heart. The heart consists of four chambers: right atrium, right ventricle, left atrium, and left ventricle.
Q6Which of the following vessels returns deoxygenated blood from the lower body to the heart?
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✓ Correct answer: Inferior vena cava
The inferior vena cava is the large vein that carries deoxygenated blood from the lower half of the body back to the right atrium of the heart.
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