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

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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 a. decrease; cerebral arteriole dilation b. increase; cerebral arteriole constriction c. decrease; cerebral arteriole constriction d. increase; cerebral arteriole dilation e. remain the same; lactic acid build up in muscles of inspiration 3. Surfactant is produced by and these cells are found in . a. Type II cells; pulmonary capillaries b. Type I cells; pulmonary capillaries c. Type II cells; alveoli d. Type I cells; alveoli e. Type II cells; visceral pleura 4. Which of the following conditions affecting the blood, would be expected to facilitate the loading of oxygen to hemoglobin? a. increased pH b. increased temperature c. increased pCOz d. a and b e. b and c 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: a. Dalton's Law b. Henry's Law c. Charles's Law d. Pick's Law e. Boyle's Law
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BS 300 Exam 4 April 30, 2008 Renal System 13. Blood flowing through the vasa recta is important for: a. maintaining the cortico-medullary ion gradient. b. preventing proteins such as albumin from leaving the glomerulus. c. resorption of glucose from the proximal convoluted tubule. d. regulating the release of ATP and adenosine from the maculat densa cells. e. controlling the hydrostatic pressure in the glomerulus. 14. In the proximal convoluted tubule, sodium leaves the epithelial cells by and reenters the blood in the a. diffusing through Na channels down its concentration gradient, paratubular capillary b. being transported with an amino acid on a Na + -driven cotransporter, vasa recta c. being pumped across the basilar membrane by a Na/K ATPase, paratubular capillary d. being pumped across the basilar membrane by a Na/K ATPase, distal convoluted tubule e. being pumped across the apical membrane by a Na/K ATPase, vasa recta 15. Following 36 hours without drinking any fluids, you would expect blood levels of vasopressin to be and number of in epithelial cells of the collecting duct to be .
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This note was uploaded on 02/10/2011 for the course BMS 300 taught by Professor Walrond during the Spring '07 term at Colorado State.

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

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