Galen College of Nursing NU110 Exam #2
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1. 4 phases of res- 1. Pulmonary ventilation
piration 2. External gas exchange
3. Gas transport in the blood
4. Internal gas exchange
2. Respiration Inhalation and exhalation of air. The process by which
O2 is obtained from the environment and delivered to the
cells.
3. Structures of the Nasal cavity,Pharynx, Larynx, Trachea, Bronchi, Alveoli
Respiratory Sys-
tem
4. pulmonary venti- movement of air into and out of the lungs/exchange of air
lation between the atmosphere and the air sacs (Alveoli)
5. External gas ex- occurs in the lungs as oxygen diffuses from the air sacs
change into the blood and carbon dioxide diffuses out of the blood
to be eliminated
6. Gas transport in The circulating blood carries gases between the lungs and
the blood the tissues, supplying oxygen to the cells and bringing
back carbon dioxide.
7. Internal gas ex- occurs in the tissues as oxygen diffuses from the blood
change to the cells, whereas carbon dioxide travels from the cells
into the blood
8. compliance The ease with which one can expand the lungs and thorax
9. Diffusion Movement of molecules from an area of higher concen-
tration to an area of lower concentration/concentration
gradient
10. two phases of inhalation and exhalation
ventilation
11. Surfactant chemical produced in the lungs to maintain the surface
tension of the alveoli and keep them from collapsing
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, Galen College of Nursing NU110 Exam #2
Study online at https://quizlet.com/_g0a3e1
12. Difference be- right bronchi is larger and extends more vertically. (this is
tween the left and where a foreign object will most likely lodge)
right bronchi
13. hypoventilation causes increased CO2/H+ in blood & acidosis
14. Hyperventilation causes decreased CO2/H+ in blood and Alkalosis
15. Part of the brain Medulla/Brainstem
controls the HR
and Resp
16. What is the The brain senses arterial levels of H+, sends signals to
process that con- the phrenic nerve to stimulate the diaphragm to increases
trols respiration respiration to remove excess CO2 and H+
17. Hydrogens role Hydrogen stimulates the central chemoreceptors in the
in respiration brain stem to either increase or decrease the rate and
Depth of breathing
18. superior vena #4
cava
19. right ventricle #2
20. right atrium #3
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