sample_midterm_32

sample_midterm_32 - Midterm 3 - NPB 101 Guidelines: (1)...

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Midterm 3 - NPB 101 Guidelines: (1) Write your name and provide your student ID# on the front of your scantron. (2) Sign your scantron. (3) Indicate on the front of your scantron that you are using Testform D . **************************************************************************************** Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. ____ 1. If the chest wall gets punctured and an opening is made into the pleural sac, a. intra-pleural pressure will rise above atmospheric pressure with each inspiration b. the lung will collapse c. the chest wall will expand d. both (b) and (c) above e. (a), (b) and (c) above ____ 2. At sea level, if 5% of the air contains CO and 20% of the air contains O 2 , a. the partial pressure of CO is 76 mm Hg b. the partial pressure of CO is 38 mm Hg. c. Hb preferentially binds O 2 d. CO preferentially binds O 2 e. None of these answers. ____ 3. The maximum volume of air that can be exhaled (maximum expiration) following a maximum inspiration is termed the a. tidal volume. b. total lung capacity. c. vital capacity. d. expiratory reserve volume. e. inspiratory capacity ____ 4. Approximately what percent of carbon dioxide is transported in the blood in dissolved form? a. 1.5 b. 10 c. 35 d. 60 e. 100 ____ 5. Pulmonary surfactant a. is secreted by Type II alveolar cells. b. is secreted by Type I alveolar cells. c. decreases the surface tension of fluid lining the alveoli. d. Both (a) and (c) above. e. Both (b) and (c) above.
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____ 6. The partial pressure of oxygen in the pulmonary veins a. is about 100 mmHg. b. equivalent to alveolar partial pressure for oxygen. c. is dramatically different than pulmonary arteries' partial pressure for oxygen d. Both (b) and (c) above. e. (a), (b) and (c) above. ____ 7. During inspiration, a. intra-alveolar pressure falls below atmospheric pressure. b. the diaphragm contracts. c. the internal intercostal muscles contract. d. Both (a) and (b) above. e. (a), (b) and (c) above. ____ 8. The fundus of the stomach secretes a. CCK. b. gastrin. c. acid. d. Both (a) and (b) above. e. Both (a) and (c) above. ____ 9. What prevents food from entering the nasal passages during swallowing? a. elevation of the uvula
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This note was uploaded on 05/02/2008 for the course NPB 101 taught by Professor Fuller,charles/goldberg,jack during the Winter '08 term at UC Davis.

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sample_midterm_32 - Midterm 3 - NPB 101 Guidelines: (1)...

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