Ex3B.S09 - Name _ Lab Section _ BIOL 302 EXAM 3 Blue 9...

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Name ___________________________ Lab Section ____ BIOL 302 EXAM 3 Blue 9 April 2009       Directions: Choose the one best answer for each question. If a question seems ambiguous or seems to have more than one correct answer or no correct answer, you may explain your reason for choosing the answer you did (and eliminating the other answers) with a brief comment written in the table below. You will get credit for the question if your reasoning is correct. To submit comments for consideration, fill in your name and lab section on this page and hand it in together with your scantron. Question Number Answer Chosen R e a s o n i n g
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++ SENTENCE COMPLETION ++ In this group of questions, select the answer choice that best completes the statement or best answers the question. 1. In the fetal pig dissection, the mediastinum contains all of the following structures EXCEPT _____. A. esophagus B. pericardial cavity C. trachea D. thymus E. thyroid 2. In the fetal pig, the brachiocephalic trunk branches directly into _____. A. right subclavian artery and common carotid artery B. right subclavian artery and right common carotid artery C. left subclavian artery and left common carotid artery D. right and left subclavian arteries E. internal and external jugular vein 3. Bob, a former BIOL 302 student, found an old box of histology slides of the respiratory system, but unfortunately the slides are not labeled. On the first slide, he sees the following: 1. Abundant cilia and goblet cells 2. Pseudostratified, ciliated, columnar epithelium 3. Cartilage present in the form of rings 4. Elastic layer in the mucosa What part of the respiratory tract is Bob looking at? A. trachea B. bronchus C. alveoli D. respiratory bronchiole E. Do not choose this answer. 4. In the spirometry record above, the maximum volume of air that can be expired after a maximal inspiration is ____. A. A B. B C. C D. D E. E 5. At the point in the record indicated by the letter X, what was occurring? A. The subject was inhaling restfully. B. The subject was inhaling maximally. C. The subject was exhaling restfully. D. The subject was exhaling maximally. E. Do not choose this answer. 6. As the diameters of the respiratory passages decrease, which of the following is observed? A. The amount of cartilage in the walls of the passages increases. B. Simple cuboidal epithelial linings are replaced by pseudostratified squamous epithelia. C. The walls of the passages become more muscular. D. More goblet cells are observed in the epithelial lining. E. All of the above.
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BIOL 302 Spring 2009 Exam 3 Blue page 2 of 6 Use the figures above for questions 7 and 8. 7.
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Ex3B.S09 - Name _ Lab Section _ BIOL 302 EXAM 3 Blue 9...

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