wpr3e-072-ans

wpr3e-072-ans - Cadet _ Time of Departure _ DEPARTMENT OF...

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Cadet ________________________ Time of Departure __________ DEPARTMENT OF CHEMISTRY AND LIFE SCIENCE CH387, Human Physiology, AY07-2 Resources Permitted: None Written Partial Review 3 (E hour) TEXT: Germann & Stansfield, 23 April 2007 Principles of Human Available time: 55 minutes Physiology, 2 nd Edition SCOPE: Lessons 24-33 CHECK THIS EXAMINATION TO SEE THAT THERE ARE 7 PAGES. INFORM THE INSTRUCTOR OF ANY INCOMPLETE OR MISSING PAGES. WRITE YOUR NAME ON THE TOP OF EACH SHEET. ANSWER ALL QUESTIONS. TOTAL WEIGHT 200 POINTS DO NOT WRITE IN THIS SPACE: PART MAX VALUE CUT POINTS 1 120 2 80 TOTAL 200
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Cadet___________________________ PART 1 (120 Points) MULTIPLE CHOICE : (4 points each) 1. (1) The ________ functions primarily as the region of the lungs where the majority of gas exchange occurs. a. respiratory bronchiole b. alveolar duct c. alveolus d. terminal bronchiole 2. (1) An increase in renal reabsorption of a substance will _______ its excretion. a. increase b. decrease c. not change 3. (2) What type of cells secrete mucus in the respiratory tract? a. goblet cells b. type I alveolar cells c. type II alveolar cells d. ciliated cells e. macrophages 4. (3) When air is no longer moving through the respiratory tract and the airway is open to the environment, the pressure within the lung is equal to _______________. a. transpulmonary pressure b. atmospheric pressure c. intrapleural pressure d. systolic blood pressure 5. (1) A measure of the distending force across the lungs is the _________________. a. intrapleural pressure b. intra-alveolar pressure c. transpulmonary pressure d. atmospheric pressure CH387 Human Physiology WPR3 AY2006-2007 1
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Cadet___________________________ 6. (3) As the lungs expand, intra-alveolar pressure _______ and air moves ________ the lungs. a. decreases : into b. decreases : out of c. increases : into d. increases : out of 7. (3) As the resistance of the airway increases, __________ would be required to move the same volume of air into the lung. a. an enhanced lung compliance b. a greater transpulmonary pressure c. a reduction in lung compliance d. a reduction in surface tension 8. (3) The compensation for metabolic acidosis is a. decreased ventilation, increased HCO 3 reabsorption, and decreased H + secretion. b. increased ventilation, decreased HCO 3 reabsorption, and decreased H + secretion. c. decreased ventilation, decreased HCO 3 reabsorption, and increased H + secretion. d. increased ventilation, increased HCO 3 reabsorption, and increased H + secretion. 9. (2) The surface tension of the alveolus is reduced by surfactants produced by the ____ cells. a. ciliated b. goblet c. type I alveolar d. type II alveolar 10. (1) __________ cells function to secrete hydrogen ions into the lumen of the stomach. a.
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wpr3e-072-ans - Cadet _ Time of Departure _ DEPARTMENT OF...

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