13. The valves forcing regurgitation of blood during the ventricular diastole are_A. the aortic valve and the tricuspid valveB. the aortic valve and the mitral valveC. the tricuspid valve and the mitral valveD. the aortic valve and valve of pulmonary trunkE. the valve of pulmonary trunk and the tricuspid valve 14. Which valves would be closed during ventricular systole?A. the aortic valve and the tricuspid valveB. the aortic valve and the mitral valveC. the tricuspid valve and the mitral valveD. the aortic valve and valve of pulmonary trunkE. the valve of pulmonary trunk and the tricuspid valve 15. At the left atrioventricular orifice, the valve is calledA. the aortic valveB. the tricuspid valveC. the mitral valveD. the pulmonary valveE.
Added by Julie W.
Step 1
Step 1: During ventricular diastole, the valves that force regurgitation of blood are the ones that prevent backflow of blood from the ventricles to the atria. Show more…
Show all steps
Your feedback will help us improve your experience
Adi S and 90 other Biology educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
B. Closing of the AV valves C. Opening of the semilunar valves D. Closing of the semilunar valves E. Tearing of the valves 14. The second heart sound A. Occurs while the mitral and tricuspid valves are opening B. Occurs at the beginning of ventricular systole C. Is a result of the closure of the semilunar valves D. Occurs when the pressure in the ventricle exceeds that in the aorta and pulmonary artery E. All of the above 15. Cardiac output (CO) is best expressed by which of the following equations? A. CO = Heart rate + stroke volume B. CO = Heart rate – stroke volume C. CO = Heart rate X stroke volume D. CO = Heart rate divided by stroke volume E. All of the above 16. Which one of the following accounts for the dicrotic notch of the cardiac cycle? A. Opening of the tricuspid valve B. Closing of the bicuspid valve C. Opening of the aortic semilunar valve D. Closing of the pulmonary trunk semilunar valve E. None of the above 17. Systole is the name of the period during A. Ventricular contraction B. Atrial contraction C. Ventricular relaxation D. Atrial relaxation E. The time the heart stops beating 18. The first event in the development of atherosclerosis is A. High blood pressure B. Plaque formation C. Damage to the endothelial lining the artery D. Thrombus formation 19. In which of the following locations is there no valve? A. Between the left atrium and left ventricle B. Between the left ventricle and aorta C. Between the right atrium and right ventricle D. Between the pulmonary veins and left atrium E. None of the above
Adi S.
23. The semilunar valves prevent backflow of blood into the A. ventricles during ventricular systole B. ventricles during ventricular diastole C. aorta and pulmonary arteries during ventricular systole D. aorta and pulmonary arteries during ventricular diastole 24. What happens at the end of ventricular diastole? A. The ventricles send blood into the aorta and pulmonary veins. B. The sinoatrial node sends an impulse to the atrioventricular node. C. The atrioventricular node sends an impulse to the sinoatrial node. D. The ventricles send blood into the venae cavae and pulmonary arteries.
Madhur L.
Recommended Textbooks
Biology for AP Courses
Objective Biology for NEET
Introduction to General, Organic and Biochemistry
Transcript
18,000,000+
Students on Numerade
Trusted by students at 8,000+ universities
Watch the video solution with this free unlock.
EMAIL
PASSWORD