Several nursing students are ordering a poster on the mechanism of the heart.
What structure would they label as separating the right half of the heart from the left?
Auricle.
Syncytia.
Bundle of His.
Septum.
The Correct Answer is D
Choice A rationale
The auricle is an ear-shaped appendage on the surface of the atrium and does not separate the right and left halves of the heart. Its function is to increase the capacity of the atrium, allowing for more blood to be collected and passed to the ventricles.
Choice B rationale
Syncytia refer to a multinucleated cell that can result from the fusion of multiple cells, which is not a structure that separates the right and left sides of the heart. They are typically related to muscle tissue and coordinated contractions.
Choice C rationale
The Bundle of His is a collection of heart muscle cells specialized for electrical conduction that transmits the electrical impulses from the AV node to the point of the apex of the fascicular branches. It does not act as a separator between the right and left halves of the heart.
Choice D rationale
The septum is the structure that separates the right and left halves of the heart. It is a robust wall that divides the atria (interatrial septum) and the ventricles (interventricular septum), ensuring the segregation of oxygenated and deoxygenated blood.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
Deoxygenated blood from the lungs would not flow to the left atrium or through the pulmonary artery.
Choice B rationale
Deoxygenated blood from the lungs would not enter the right atrium or flow through the pulmonary artery.
Choice C rationale
Oxygenated blood from the lungs does not enter the right atrium through the pulmonary veins.
Choice D rationale
Correct, oxygenated blood from the lungs enters the left atrium through the pulmonary veins.
Correct Answer is D
Explanation
Choice A rationale
Weight-bearing exercises are beneficial for cardiovascular health and bone density, and substituting them with yoga may not address the underlying factors contributing to hypertension.
Choice B rationale
Decreased fluid intake is not generally recommended as it can lead to dehydration, which may negatively impact blood pressure. Increased potassium intake is beneficial, but not reducing fluid intake.
Choice C rationale
Stress reduction is indeed beneficial for managing hypertension, but increased protein intake is not specifically indicated for lowering blood pressure and may have other health implications.
Choice D rationale
Weight reduction and decreased sodium intake are well-established lifestyle changes for managing hypertension. Reducing sodium helps lower blood pressure, and weight loss reduces the strain on the cardiovascular system.
Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.
Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today
Report Wrong Answer on the Current Question
Do you disagree with the answer? If yes, what is your expected answer? Explain.
Kindly be descriptive with the issue you are facing.