*NURSING > QUESTIONS & ANSWERS > NURS 8022 Chapter 26: Structure and Function of the Pulmonary System Huether & McCance: Understandin (All)

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NURS 8022 Chapter 26: Structure and Function of the Pulmonary System Huether & McCance: Understanding Pathophysiology, 6th Edition

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1. The nasopharynx is lined with a ciliated mucosal membrane with a highly vascular blood supply. One function of this membrane is to: a. absorb air. b. humidify air. c. cool air. d. exchange gas... es. ANS: B These structures are lined with a ciliated mucosa that warms and humidifies inspired air and removes foreign particles from it. Air is not absorbed or cooled by the ciliated mucosal membrane. Gas exchange occurs in the alveoli. REF: p. 671 2. The nurse is describing the slit-shaped space between the true vocal cords. What term should the nurse use? a. Glottis b. Epiglottis c. Larynx d. Carina ANS: A The slit-shaped space between the true vocal cords forms the glottis. The slit-shaped space between the true vocal cords is not referred to as the epiglottis, the larynx, or the carina. REF: p. 671 3. The nurse is describing the movement of blood into and out of the capillary beds of the lungs to the body organs and tissues. What term should the nurse use to describe this process? a. Perfusion b. Ventilation c. Diffusion d. Circulation ANS: A Perfusion is the movement of blood into and out of the capillary beds of the lungs to body organs and tissues. Ventilation is the movement of air into and out of the lungs. Diffusion is the movement of gases between air spaces in the lungs and the bloodstream. Circulation is the movement of blood throughout the bloodstream. REF: p. 671 4. After entering a room of chemical fog, a 20-year-old male cannot stop coughing. Which of the following structures are primarily responsible for his response? a. Upper respiratory tract mucosa [Show More]

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