Sm08#3 - BMS 300 Exan 3 Summer 2008 Respiration Name C...

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BMS 300 Name Exan 3 Summer 2008 CSUID# Respiration 1. When the diaphragm , the volume of the thoracic cavity resulting in . a. relaxes, increases, expiration b. contracts, increases, inspiration c. contracts, decreases, inspiration d. relaxes, decreases, inspiration. e. relaxes, increases, inspiration 2. About 70% (most) of the carbon dioxide in the blood is transported as: a. COa dissolved in plasma. b. CC>2 bound to hemoglobin c. CO2 bound to plasma proteins. d. CC>2 in the cytoplasm of the red blood cell. e. HCO 3 ~ (bicarbonate ion). 3. In the case of a penetrating wound to the thorax where the intraplural space is opened to the atmosphere the lung collapses because: a. the pressure in the alveoli (the intrapulmonary pressure) equals the atmospheric pressure. b. the pressure in the pleural cavity (the intrapleural pressure) equals the atmospheric pressure c. the pressure in the bronchi (the intrabroncial pressure) equals the atmospheric pressure. d. the pressure in the pleural cavity (the intrapleural pressure) exceeds the atmospheric pressure. e. the pressure in the alveoli (the intrapulmonary pressure) exceeds the atmospheric pressure. 4. In the lung, smooth muscle if found in the where epinephrine causes the muscle to and the airway. a. conducting zone, relax, and open the airway to reduce the resistance to air flow. b. respiratory zone, contract, close the airway to increase the resistance to air flow. c. respiratory zone, relax, and open the airway to reduce the resistance to air flow. d. conducting zone, contract, and close the airway to increase the resistance to air flow. e. conducting zone, contract, and open the airway to reduce the resistance to air flow. 5. When the pressure inside the lung (the intrapulmonary pressure) equals the atmospheric pressure, air is: a. moving into the lungs. b. moving out of the lungs. c. neither moving in nor out of the lungs. d. leaving the alveoli. e. b and d are correct. 6. In the confined space of the alveolus, the Type II septal cells secrete to . a. water, increase surface tension b. surfactant, to decrease surface tension c. carbon dioxide, to acidify the blood. d. bicarbonate, eliminate carbon dioxide. e. b and d are correct.
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BMS 300 Exam 3 July 25, 2008 13. T helper cells are selected for specificity and survival in the a. red bone marrow. b. lymph node, c. tonsils [d.jthymus e. b and c are correct 14. When the amount of oxygen carried in blood is reduced, cells in the the protein hormone . (aQkidney, erythropoietin b. red bone marrow, calcitonin c. liver, ferritin d. kidney, calcitonin e. red bone marrow, erythropoietin 15. Cells of the immune system are exposed to antigen in lymph in the: a. spleen. b. tonsils.
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This note was uploaded on 02/07/2011 for the course BMS 300 taught by Professor Walrond during the Summer '07 term at Colorado State.

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Sm08#3 - BMS 300 Exan 3 Summer 2008 Respiration Name C...

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