Test 5 â Respiratory System - Next2Eden

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30) The amount of air that can be inspired above the tidal volume is called ________. 30) _________ A. expiratory reserve B. reserve air C. vital capacity D. inspiratory reserve 31) Which statement about CO 2 is incorrect? 31) __________ A. CO2 concentrations are greater in venous blood than arterial blood. B. CO2 accumulation in the blood is associated with a decrease in pH. C. CO2 concentration in the blood is decreased by hyperventilation. D. CO2 dissolved in plasma is the most abundant storage site for this gas in blood. 32) Oxygen and carbon dioxide are exchanged in the lungs and through all cell membranes by ________. 32) ___________ A. filtration B. diffusion C. osmosis D. passive transport 33) The auditory tube (Eustachian tube) drains into the __________. 33) ___________ A. nasopharynx B. oropharynx C. laryngopharynx D. Nasal conchae 34) This structure prevents food from entering the airway. 34) ___________ A. Vestibular fold B. Urula C. Laryngopharynx D. Epiglottis 35) Which respiratory-associated muscles would relax/contract if you were to inhale? 35) _____________ A. diaphragm contracts, external intercostals would contract B. diaphragm contracts, internal intercostals would relax C. internal intercostals would contract and the abdominal muscles would relax D. external intercostals would contract and diaphragm would relax 6
36) With regards to the esophagus and the trachea which statement or statements are true? 36) ___________ A. The esophagus is in front of the trachea B. The trachea is comprised of C shaped cartilages that allow the esophagus to push into the tracheal lumen as food passes by C. The tracheal lumen is lined with ciliated epithelium D. B and C 37) The respiratory membrane is a combination of ____________. 37) ___________ A. respiratory bronchioles and alveolar sacs B. atria and alveolar sacs C. respiratory bronchioles and alveolar ducts D. alveolar and capillary walls and their fused basement membranes 38) During exercise ___________. 38) _____________ A. the minute volume stays the same B. arterial PO 2 and PCO 2 remain constant C. psychological stimuli play a small role D. the rate but not the depth of breathing increases 39) The nose serves all the following functions except ___________. 39) ___________ A. warming and humidifying the air B. cleansing the air C. as the initiator of the cough reflex D. as a passageway for air movement 40) The membrane that adheres to the outer surface of the lungs is the: 40) ______ A. respiratory membrane B. visceral pleura C. parietal pleura D. parietal serosa 41) People that live at high altitude go through a process of acclimatization. Changes include: 41) ________ A. A decrease in the density of capillaries in the tissue beds B. Increased hematocrit C. Increased resting minute volume D. B & C 42) A decrease in pH will have what effect on the respiration rate? 42) __________ A. Decrease B. Increase C. No effect D. No effect unless lung damage is present 7
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Page 3 and 4: 12) The function of alveolar type I
Page 5: 24) Infant respiratory distress syn
Page 9: 1) D 2) C 3) A 4) C 5) A 6) A 7) A

Test 5 â Respiratory System - Next2Eden

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Test 5 â Respiratory System - Next2Eden