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Ch. 22

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nessaram994's version from 2017-10-22 16:14

Section 1

Question Answer
1. The _______ zone includes the alveoli, and the _______ zone includes the trachea. a. conducting; respiratory b. transport; ventilation c. respiratory; conducting d. ventilation; transport c. respiratory; conducting
2. Which of the following is listed in the correct order, from superior to inferior? a. Nasopharynx, oropharynx, laryngopharynx b. Oropharynx, nasopharynx, laryngopharynx c. Laryngopharynx, oropharynx, nasopharynx a. Nasopharynx, oropharynx, laryngopharynx
3. Air passing from the pharynx to the trachea must pass through the _______. a. nasal cavity b. bronchi c. larynx d. diaphragmc. larynx
4. Which is not a function of the paranasal sinuses? a. Warming of inhaled air b. Gas exchange c. Humidify inhaled air d. Contribute to sound resonance b. Gas exchange
5. Which of the following does NOT describe mucociliary transport? a. Mucus traps pathogens b. Cilia move mucus-trapped toward pharynx allowing it to be swallowed c. Mucous-trapped bacteria are disposed of through the Eustachian tube d. Mucus contains lysozyme c. Mucous-trapped bacteria are disposed of through the Eustachian tube
6. This structure prevents food from entering the airway. a. Vestibular fold b. Uvula c. Laryngopharynx d. Epiglottisd. Epiglottis
7. The "Adam's apple" is located on which cartilage? a. Cricoid cartilage b. Thyroid cartilage c. Arytenoid cartilage d. Corniculate cartilage b. Thyroid cartilage
8. Tissues of the upper respiratory tract in contact with inhaled air likely contain: a. Microvilli b. Cilia and goblet cells c. Simple squamous epithelium d. Stratified squamous epithelium b. Cilia and goblet cells
9. The median ridge at point where trachea forks into right and left primary bronchi is called the: a. Larynx b. Epiglottis c. Adventitia 9. The median ridge at point where trachea forks into right and left primary bronchi is called the: a. Larynx b. Epiglottis c. Adventitia d. Carinad. Carina
10. How is it possible to remove a section of lung without damaging neighboring sections? a. The bronchopulmonary segments are separated from each other by connective tissue septa. b. Surgeons cauterize any freshly cut portion of the lung to seal it. c. Lungs are actually comprised of multiple separate structures, each served by its own bronchus. d. It isn't possible to perform this type of surgery on the lungs.a. The bronchopulmonary segments are separated from each other by connective tissue septa.
11. Which structure is the last, smallest portion of the conducting portion of the respiratory system? a. Nasopharynx b. Terminal bronchiole c. Respiratory bronchiole d. Alveolusb. Terminal bronchiole
12. The epithelium lining the alveolus is composed of a. Simple squamous epithelium b. Stratified squamous epithelium c. Simple cuboidal epithelium d. Transitional epithelium a. Simple squamous epithelium
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Section 2

Question Answer
13. An increase in the volume of a container filled with air would have what effect on the pressure of the container? a. Increase the pressure b. Decrease the pressure c. No effect b. Decrease the pressure
14. The pressure in the alveoli is known as __________. a. intrapulmonary pressure b. intrapleural pressure c. transpulmonary pressure d. atmospheric pressurea. intrapulmonary pressure
15. All of the following statements are true of inspiration except _______. a. the rib cage is elevated b. the diaphragm is relaxed c. volume in the thoracic cavity has increased d. intrapulmonary pressure has decreased b. the diaphragm is relaxed
16. What happens to volume of the thoracic cavity when the inspiratory muscles contract? What happens to the intrapulmonary pressure?increases;decreases
17. When the pleural cavity is damaged and the intrapleural pressure becomes equal to or exceeds the atmospheric pressure: a. A pneumothorax b. Inspiration c. Apnea d. Hyperpnea a. A pneumothorax
18. True or false: normal expiration is a passive process, involving muscle relaxation.True
19. During an asthma attack, bronchioles become severely _______. Taking epinephrine causes them to _______. a. constricted; dilate b. dilated; constrict c. mucus-filled; empty of mucus d. both a and c a. constricted; dilate
20. Infant respiratory distress syndrome occurs because premature infants lack the ability to produce _______, which _______. a. mucus; traps bacteria b. cilia; clear mucus from the trachea c. surfactant; lowers surface tension d. alveoli; causes them to become hypoxic c. surfactant; lowers surface tension
21. Which of the following best describes the result of the deficiency identified in the previous question(Infant respiratory distress syndrome)? a. Alveoli collapse b. Alveoli expand too much c. Lungs lack the ability to recoil d. The large airways are not properly lubricated a. Alveoli collapse
22. Which of the following descriptions of surfactant is incorrect? a. Reduces surface tension of alveolar fluid b. Discourages alveolar collapse c. Detergent-like lipid and protein complex produced by serous membrane d. Increases alveolar compliance c. Detergent-like lipid and protein complex produced by serous membrane
23. Tidal volume is the amount of air ___________. a. inhaled or exhaled with each breath under resting conditions b. remaining in the lungs after a forced expiration c. exhaled with each breath under resting conditions d. that can be expired after a maximum inspiratory effort a. inhaled or exhaled with each breath under resting conditions
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Section 3