Please answer all questions. The numbers at the end of each question refer to the textbook page where the question topic is discussed.
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1 | | The term respiration refers to (603) |
| | A) | ventilation (breathing) |
| | B) | gas exchange within the lungs |
| | C) | O2 utilization within the cells. |
| | D) | all of the above |
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2 | | The ___________ is not a part of the respiratory system. (603) |
| | A) | nasal cavity |
| | B) | pharynx |
| | C) | trachea |
| | D) | esophagus |
| | E) | bronchus |
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3 | | The functions of the respiratory system include all of the following except (603) |
| | A) | providing oxygen to the bloodstream and removing carbon dioxide |
| | B) | creating air pressure that allows for swallowing |
| | C) | enabling the vocalization as expired air passes over the vocal cords |
| | D) | assisting in abdominal compression |
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4 | | Which of the following is (are) not located within the nasal cavity (605) |
| | A) | conchae |
| | B) | meatuses |
| | C) | uvula |
| | D) | nasal septum |
| | E) | vibrissae |
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5 | | The roof of the nasal cavity is formed medially by the (606) |
| | A) | superior concha |
| | B) | nasal bone |
| | C) | sphenoid bone |
| | D) | cribriform plate of the ethmoid bone |
| | E) | choana |
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6 | | Mucus is secreted into the nasal cavity by the (606) |
| | A) | goblet cells |
| | B) | vestibule |
| | C) | adenoids |
| | D) | choanae |
| | E) | mast cells |
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7 | | Which of the following is not a paranasal sinus? (607) |
| | A) | maxillary sinus |
| | B) | pterygoidal sinus |
| | C) | sphenoidal sinus |
| | D) | frontal sinus |
| | E) | ethmoidal sinus |
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8 | | The "Adam' s apple" is the (608) |
| | A) | trachea |
| | B) | thyroid cartilage |
| | C) | larynx |
| | D) | epiglottis |
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9 | | The vocal cords are attached to the ___________ cartilages. (609) |
| | A) | cricoid and thyroid |
| | B) | cuneiform and cricoid |
| | C) | corniculate and thyroid |
| | D) | arytenoid and thyroid |
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10 | | Which of the following terms is not associated with the trachea or bronchi? (609) |
| | A) | goblet cells |
| | B) | carina |
| | C) | cilia |
| | D) | hyaline cartilage |
| | E) | simple squamous epithelium |
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11 | | Which of the following is the correct sequence in which inspired air flows? (618) |
| | A) | choana, pharynx, nasal fossa, larynx, trachea, bronchus, lung |
| | B) | nasal fossa, pharynx, larynx, choana, trachea, bronchus, and lung |
| | C) | nasal fossa, choana, pharynx, larynx, trachea, bronchus, and lung |
| | D) | choana, nasal fossa, larynx, pharynx, trachea, bronchus, and lung |
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12 | | Which of the following kinds of epithelia does inspired air comes in contact with? (606) |
| | A) | simple squamous, stratified squamous, simple cuboidal, and pseudostratified ciliated columnar |
| | B) | pseudostratified ciliated columnar, stratified squamous, simple cuboidal, and simple squamous |
| | C) | stratified squamous, pseudostratified ciliated columnar, simple cuboidal, and simple squamous |
| | D) | pseudostratified ciliated columnar, stratified squamous, simple squamous, and simple cuboidal |
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13 | | The functional units of the respiratory system where gas exchange occurs are the (612) |
| | A) | alveoli |
| | B) | terminal bronchioles |
| | C) | lungs |
| | D) | pulmonary vessels |
| | E) | pleurae |
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14 | | Which of the following statements is false concerning alveoli? (612) |
| | A) | They are lined with ciliated epithelium. |
| | B) | They are moistened with surfactant. |
| | C) | They number about 350 million per lung. |
| | D) | They permit diffusion of respiratory gases. |
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15 | | The region where a bronchus and pulmonary vessel enter and exit the lung is known as the (614) |
| | A) | capsule |
| | B) | base |
| | C) | hilum |
| | D) | apex |
| | E) | cupola |
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16 | | Which of the following is false concerning the structure of the left lung? (614) |
| | A) | It is subdivided into a superior lobe, middle, and inferior lobe. |
| | B) | It contains a cardiac notch. |
| | C) | It contains 8 bronchial segments. |
| | D) | Its apex extends above the level of the clavicle. |
| | E) | It is covered with visceral pleura. |
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17 | | Of the following serous membranes, the one that lines the thoracic walls and the thoracic surface of the diaphragm is the (615) |
| | A) | parietal pleura |
| | B) | pleural peritoneum |
| | C) | mediastinal pleura |
| | D) | visceral pleura |
| | E) | costal pleura |
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18 | | The pleurae perform all of the following functions except (615) |
| | A) | separating the thoracic viscera |
| | B) | secreting serous fluid |
| | C) | forming an effective pressure chamber |
| | D) | facilitating the diffusion of respiratory gases |
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19 | | The principal muscles responsible for the inspiration phase of pulmonary ventilation are the (618) |
| | A) | diaphragm and internal intercostals |
| | B) | scalenus and internal intercostals |
| | C) | internal and external intercostals |
| | D) | diaphragm, external intercostals, and internal intercostals (interchondral part) |
| | E) | scalenus and external intercostals |
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20 | | When the external intercostal muscles contract, the thoracic volume increases (618) |
| | A) | vertically |
| | B) | anteroposteriorly |
| | C) | inferiorly |
| | D) | superiorly |
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21 | | Which of the following muscles does (do) not contract during extreme forced expiration-as in coughing? (620) |
| | A) | internal intercostals |
| | B) | transverse abdominis |
| | C) | diaphragm |
| | D) | internal abdominal oblique |
| | E) | external abdominal oblique |
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22 | | The amount of air that is moved in and out of the lungs during normal quiet breathing is called (621) |
| | A) | tidal volume |
| | B) | vital capacity |
| | C) | residual volume |
| | D) | inspiratory reserve volume |
| | E) | vital volume |
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23 | | When a person takes a very deep breath of air just prior to diving into water, this volume of air is referred to as the (621) |
| | A) | tidal volume |
| | B) | vital capacity |
| | C) | residual volume |
| | D) | inspiratory reserve volume |
| | E) | vital volume |
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24 | | When the "wind" is knocked out of a football player because of a hard blow to the thorax or abdomen, the air that is actually forced out of his lungs is the (621) |
| | A) | tidal volume |
| | B) | vital capacity |
| | C) | residual volume |
| | D) | expiratory reserve volume |
| | E) | vital volume |
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25 | | The principal respiratory centers that directly control breathing are located in the (623) |
| | A) | cerebrum and hypothalamus |
| | B) | hypothalamus and cerebrum |
| | C) | lung and medulla oblongata |
| | D) | medulla oblongata and pons |
| | E) | cerebellum and medulla oblongata |
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26 | | The diaphragm is innervated by the (623) |
| | A) | inspiratory nerves |
| | B) | phrenic nerve |
| | C) | vagus nerves |
| | D) | intercostal nerves |
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27 | | Which of the following does (do) not contain respiratory chemoreceptors? (623) |
| | A) | aortic arch |
| | B) | carotid arteries |
| | C) | lungs |
| | D) | medulla oblongata |
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28 | | The two cranial nerves that transmit sensory information to the brain from the peripheral respiratory chemoreceptors are the (623) |
| | A) | facial and vagus |
| | B) | facial and glossopharyngeal |
| | C) | glossopharyngeal and hypoglossal |
| | D) | hypoglossal and vagus |
| | E) | glossopharyngeal and vagus |
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29 | | During embryonic development, the olfactory placode becomes the (624) |
| | A) | nasal cavity |
| | B) | larynx |
| | C) | trachea |
| | D) | lung |
| | E) | bronchial tree |
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30 | | Which of the following conditions does not occur directly in the lungs? (628) |
| | A) | pneumonia |
| | B) | asthma |
| | C) | emphysema |
| | D) | tuberculosis |
| | E) | influenza |
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31 | | The disease that causes breakdown of the alveoli, thus increasing the size of the air spaces and decreasing the surface area, is known as (628) |
| | A) | emphysema |
| | B) | asthma |
| | C) | tuberculosis |
| | D) | pneumonia |
| | E) | pleurisy |
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