Respiratory System
OUTCOMES 3.2, 5.2, 5.3, 5.5, 19.3
1. Describe the following structures that are part of the
respiratory tubes and state their locations.
a. pseudostratiF
ed epithelium
b. cuboidal epithelium
c. simple squamous epithelium
d. goblet cells
e. cartilage
f. smooth muscle
g. elastic F bers
h. cilia
OUTCOMES 19.3, 19.4
2. Patients experiencing asthma attacks are often advised to
breathe through pursed (puckered) lips. How might this help
reduce the symptoms of asthma?
OUTCOMES 19.3, 19.4, 19.5, 19.6, 19.7
3. What changes would you expect to occur in the levels of blood
oxygen and carbon dioxide in a patient who breathes rapidly
and deeply for a prolonged time?
OUTCOMES 19.3, 19.4, 19.6
4. If a tracheostomy bypasses the upper respiratory passages,
how might the air entering the trachea differ from air normally
passing through this tube? What problems might this cause for
the patient?
OUTCOMES 19.3, 19.4, 19.6
5. Certain respiratory disorders, such as emphysema, reduce the
capacity of the lungs to recoil elastically. Which respiratory
volumes will this condition affect? Explain the impact on gas
OUTCOMES 19.5, 19.6, 19.7
6. If a person is receiving supplemental oxygen to restore
blood oxygen levels, why might it be better to administer a
combination of oxygen and carbon dioxide rather than pure
OUTCOMES 19.5, 19.7
7. Why is it impossible, under normal circumstances, for a
person to hold the breath long enough to pass out?
OUTCOMES 19.6, 19.7
8. What problem might a person with a serious respiratory
disorder encounter fl ying in the passenger compartment of a
commercial aircraft that has an air pressure equivalent to an
altitude of 8,000 feet?
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