Which of the following describes the endocardium?
Outermost layer that lies underneath the pericardial sac
Outer layer that produces serous fluid
inner layer that is continuous with the blood vessels
Central layer that contracts and relaxes.
The Correct Answer is C
a. Outermost layer that lies underneath the pericardial sac: This describes the epicardium, not the endocardium.
b. Outer layer that produces serous fluid: This describes the pericardium, particularly the visceral layer.
c. Inner layer that is continuous with the blood vessels: The endocardium is the innermost layer of the heart, lining the heart chambers and continuous with the endothelium of blood vessels.
d. Central layer that contracts and relaxes: This describes the myocardium, the muscular middle layer of the heart
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
a. Formation of polar bodies: Formation of polar bodies occurs only in oogenesis, not in spermatogenesis.
b. Meiosis: Correct. Both oogenesis and spermatogenesis involve meiosis, the process of cell division that reduces the chromosome number by half.
c. Development of a Graafian follicle: This is specific to oogenesis. The Graafian follicle is the mature ovarian follicle.
d. Fertilization: Fertilization is the union of sperm and egg, not a process that occurs during the development of either gamete.
Correct Answer is B
Explanation
a. Aortic: This valve has three cusps and is open during systole to allow blood flow from the left ventricle into the aorta.
b. Mitral: This valve, also known as the bicuspid valve, has two leaflets and closes during systole to prevent backflow of blood into the left atrium.
c. Pulmonic: This valve has three cusps and is open during systole to allow blood flow from the right ventricle into the pulmonary artery.
d. Tricuspid: This valve has three leaflets and closes during systole to prevent backflow of blood into the right atrium.
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.