What is the name of the valve that separates the left atrium and left ventricle in the heart?
Aortic valve
Mitral valve
Tricuspid valve
Pulmonary valve
The Correct Answer is B
The mitral valve is located between the left atrium and left ventricle of the heart and helps to regulate the flow of blood between these chambers. It consists of two leaflets or flaps that open and close in response to changes in pressure as the heart beats.
During diastole, when the heart is relaxed and filling with blood, the mitral valve opens to allow blood to flow from the left atrium into the left ventricle. During systole, when the heart contracts to pump blood out of the left ventricle and into the systemic circulation, the mitral valve closes to prevent the backflow of blood into the left atrium.
The mitral valve is one of four valves in the heart that help to ensure the unidirectional flow of blood through the heart and the rest of the circulatory system. Problems with the mitral valve, such as mitral valve prolapse or mitral stenosis, can lead to a range of symptoms and complications, including shortness of breath, fatigue, chest pain, and heart failure.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
The data collected by the researcher on the number of cars passing through a busy intersection at different times of the day for a month would be most useful for analyzing traffic patterns during rush hour.
Correct Answer is C
Explanation
Diaphragm is responsible for regulating breathing rate and depth. It is a dome-shaped muscle located at the bottom of the chest cavity that contracts and relaxes to help move air in and out of the lungs.
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