BME_501_respex_fall2007_sample - BME 501 Respiratory...

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BME 501 Respiratory Section Exam Fall 2007 Oct 15, 2007 Closed book Respiratory Section (100 points) 1. Mark True(T) or False(F) 40 points toal, 2 point each 1.1 ( ) A low surface tension in the alveoli increases the compliance of the lung. 1.2 ( ) Increased compliance of the lung increases the work of breathing. 1.3 ( ) The base of the lungs in the upright posture has a higher(more positive) pleural pressure. 1.4 ( ) The vapor pressure of water increases as a function of barometric pressure. 1.5 ( ) Oxygen in blood is 20 times more soluble than carbon dioxide. 1.6 ( ) Dexoxygenation of the blood increases its ability to carry carbon dioxide. 1.7 ( ) About 10 percent of the oxygen carried by venous blood into the lungs is in the dissolved form. 1.8 ( ) Total compliance (analogous to electrical capacitances in series) of the lung and chest wall is the sum of the reciprocals of the lung and chest wall compliances measured separately or: 1/C T = 1/C L + 1/C CW 1.9 ( ) A reduction in the partial pressure of oxygen of arterial blood from 140 to 60 mm Hg causes almost no change in ventilation if the partial pressure of carbon dioxide is
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This note was uploaded on 01/11/2009 for the course BME 501 taught by Professor Yamashiro,hsiai during the Fall '07 term at USC.

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BME_501_respex_fall2007_sample - BME 501 Respiratory...

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