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S08#4 - BMS 300 Exam 4B Spring 2008 Respiration Name CSU ID...

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BMS 300 Name Exam 4B Spring 2008 CSU ID# Respiration 1. If the pressure in your intrapleural cavity changes from a negative pressure to one that is "0," your lungs will a. explode b. inflate unnaturally c. remain the same as with a negative pressure d. collapse 2. If you hyperventilate, your PaCOa will ._ The resulting "lightheaded" feeling is a result of_ ~C 3. Surfactant is produced by and these cells are found in . 4. Which of the following conditions affecting the blood, would be expected to facilitate the loading of oxygen to hemoglobin? 5. Hypoxic pulmonary vasoconstriction: a. causes constriction of arterioles associated with hypoxic alveoli. b. directs blood away from normoxic alveoli to hypoxic air sacs. c. vasodilates the pulmonary capillaries near the hypoxic alveoli d. can cause severe decreases in pulmonary artery blood pressure at high altitudes. e. All of the above are correct. ft. The law which describes the several factors affecting the behavior of a gas moving across the respiratory membrane is:
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BS 300 Exam 4 April 30, 2008 Renal System 13. Blood flowing through the vasa recta is important for: 14. In the proximal convoluted tubule, sodium leaves the epithelial cells by and reenters the blood in the
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