MEDSCI 142 - Respiratory Physiology Exam Questions With Correct Answers
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Course
MEDSCI 142
Institution
MEDSCI 142
MEDSCI 142 - Respiratory Physiology Exam
Questions With Correct Answers
Tidal volume is always:
a) greater than zero and less that total lung capacity
b) greater than residual volume
c) greater than functional residual capacity
d) greater than residual capacity and less than total lung capaci...
a) a decrease in partial pressure of CO2 in the cerebrospinal fluid
b) a decrease in partial pressure of CO2 in the blood supply to the carotid bodies
c) decrease in partial pressure of CO2 in the inspired air
d) decrease of pH of the cerebrospinal fluid
e) all options are correct - answer✔Increase in ventilation is usually due to lower O2, and a need
to increase O2. A decrease in CO2 would not trigger this.
d - decrease in pH can occur due to increase in CO2 so ventilation is needed to correct pH
Hyperventilation will lead to:
a) increase of arteriolar Po2
b) decrease of alveolar Po2
c) increase of alveolar Pco2
d) increase of arteriolar Pco2
e) all options are correct - answer✔a - correct, more oxygen will go into the blood
b - no, Po2 at alveoli will not change, just the total amount
c - no, same as above
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