09 quiz

09 quiz - Lesson 9 Quiz Worksheet Print this file and work...

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Lesson 9 Quiz Worksheet Print this file and work on these questions. Then submit your answers in Blackboard’s “Quizzes” section. Note: Once you log in to the quiz on Blackboard and begin entering your answers, do not log off until you have completed the quiz. 1. For a normal adult, systemic arterial pressure, measured with a sphygmomanometer from the left brachial artery, was 125/65. Pressure in the pulmonary arteries was 24/10. Choose the best answer for the following questions based on the information provided above. Choices are in parentheses. Consider a normal cardiac cycle. (10 points) Contraction of the left ventricle increases left ventricular pressure to a maximum of about 125 mmHg. Left ventricular pressure then drops to nearly 3 mmHg and rises only a slight amount until the left ventricle contracts again. (125, 100, 65, 24, 10, 3) (10 points) Aortic pressure rises to a maximum of about 125 mmHg and then decreases to a minimum of about 65 mmHg. (125, 100, 65, 24, 10, 3) (5 points) The aortic semilunar valve opens when the rising pressure in the left ventricle just exceeds the pressure in the aorta. For this individual, the pressure in
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This note was uploaded on 06/14/2011 for the course PHYI 202 taught by Professor Shea during the Summer '09 term at UNC.

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09 quiz - Lesson 9 Quiz Worksheet Print this file and work...

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