Anatomy and Physiology II Practice Test

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Study for the Anatomy and Physiology II Test. Use flashcards and multiple choice questions, each with hints and explanations. Prepare effectively for your exam!

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

Practice this question and more.

Which of the following is NOT a valve in the heart?

Brachiocephalic valve
Pulmonic valve
Mitral valve (bicuspid valve)
Aortic valve

The correct answer is: Brachiocephalic valve

The correct choice identifies the brachiocephalic valve, as it is not an actual valve located in the heart. The heart contains four primary valves that regulate blood flow: the pulmonic valve, which controls blood flow from the right ventricle into the pulmonary artery; the mitral valve (also known as the bicuspid valve), which allows blood to flow from the left atrium to the left ventricle; and the aortic valve, which manages blood flow from the left ventricle into the aorta. The brachiocephalic artery, which serves as a branch from the aorta and supplies blood to the right arm and the head and neck, does not function as a valve and hence does not partake in the process of regulating the flow of blood within the heart itself. This distinction clarifies why the brachiocephalic valve does not exist as a component of the heart valves.