NUR 215 Exam 4 Questions and Verified Answers
,What is included in the upper airway?
nasal passages, mouth, and pharynx
what is the function of the upper airway?
moistens, warms, and filters the air
What is included in the lower airway?
trachea, bronchi, bronchioles, alveoli
what is the function of the lower airway?
exchange of oxygen and carbon dioxide
What is ventilation?
movement of air in and out of the lungs
What is respiration?
the exchange of gases in the lungs
, the diaphragm contracts during which phase of ventilation?
inhalation
the diaphragm relaxes during which phase of ventilation?
exhalation
Where does external respiration occur?
in lungs; between the alveoli and capillaries
Where does internal respiration occur?
in the tissues; capillary to tissue gas exchange
what factors affect ventilation?
Resp. rate, resp. depth, hyper/hypoventilation, lung compliance, lung elasticity, airway
resistance
physiological effects in the lungs on emphysema include?
mucus in bronchioles, enlarged alveoli, and fewer capillaries