CPAP exam 5 Flashcards
1
Q
Which vertebrae innervate left and right hemispheres of the diaphragm
A
C3-C5
2
Q
What is the secondary drive to breathe?
A
hypoxia, decreased PaO2
3
Q
Location of the central chemoreceptors
A
medulla omblangata
4
Q
What level of of PaO2 will stimulate the peripheral chemoreceptors?
A
when the PaO2 drops below 60mmHg, but if lower than 30mmHg, will cease to function
5
Q
S/S of someone who is using their hypoxic drive? (secondary drive)
A
increased CO2, HCO3, and Hgb
6
Q
Mammalian dive reflex
A
triggered by cold water on the face, nose, and larynx. Causes breath holding and shunts blood to vital organs
