anatomy and physiology 2 Time (s) 02 0 4 0.6 0.8 interval Figure 18.2 using Figu

Question

anatomy and physiology 2

Time (s) 02 0 4 0.6 0.8 interval Figure 18.2 using Figure 18.2, match the follotwing 6) Atrial depolarization. 7) Point after which pressure begins to rise in the aorta. 8) Ventricular repolarization. 9) Point that represents the "dup" sound made by the heart. 6) 7) 8) 9) MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 10) 10) Normal heart sounds are caused by which of the following events? A) closure of the heart valves B) friction of blood against the chamber walls C) opening and closing of the heart valves D) excitation of the SA node 11) Hemorrhage with a large loss of blood causes .A) a lowering of blood pressure due to change in cardiac output B) no change in blood pressure but a slower heart rate C) a rise in blood pressure due to change in cardiac output D) no change in blood pressure but a change in respiration

Explanation / Answer

6. A

7. D

8. E

9. E

10. A. closure of heart valves

11. A. lowering of blood pressure due to change in cardiac output

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