Question 15 Match the following terms describing the physicalimecabnical events

Question

Question 15 Match the following terms describing the physicalimecabnical events with the correct phases of the cardiac cycle. Each phase may be used more than once. Question All 4 cardiac valves are closed and all 4 chambers are relaxed during this phase The maximum amount of blood is in the ventricles at the end of this phase Selected Match s, isovolumetric relaxation A ventricular filling The pressure in the ventridles is higher than in the atria, but lower than in the arteries, during this phase. c. isovolumetric contraction The semilunar valves are open and the AV valves are closed during this phase The atria contract at the end of this phase. o. ventricular ejection c. isovolumetric contraction The pressure in the ventricles is higher than the pressure in both the atria and the arteries during this phase. D. ventricular ejection Systole begins with this phase All Answer Choices A. ventricular filling s, Isovolumetric relaxation C. D. ventricular ejection A ventricularfiling Question 6 Which divisions of the autoñiomic nervous system can cause changes in each of the following parameters? Choose the best answer. Question Heart rate A. Sympathetic and Parasympathetic Stroke Volume B. Only Sympathetic Arteriolar radius B. Only Sympathetic Contractility B. Only Sympathetic MAP All Answer Choices A Sympathetic and Parasympathetic B. Only Sympathetic c. Only Parasympathetic D. Neither Sympathetic nor Parasympathetic Selected Match D. Neither Sympathetic nor Parasympathetic

Explanation / Answer

15.

1. isovolumetric relaxation
2. ventricular filling
3. isovolumetric contraction
4. Ventricular Ejection
5. isovolumetric relaxation
6. Ventricular Ejection
7. ventricular filling

16.

1. sympathetic or parasympathetic

2. only sympathetic
3. only sympathetic
4. only sympathetic
5. sympathetic or parasympathetic

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