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Post-Lab Questions
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1
Respiratory areas of the brain include the pons and the
A)cerebellum.
B)cerebrum.
C)medulla oblongata.
D)thalamus.
2
Breathing rate increases as blood concentrations of
A)oxygen increase.
B)carbon dioxide decrease.
C)hydrogen ions decrease.
D)hydrogen ions increase.
3
Forced expiration muscles include the
A)scalenes.
B)rectus abdominis.
C)pectoralis minor.
D)diaphragm.
4
A normal respiratory breathing rate is ______ breaths per minute.
A)5-10
B)12-15
C)16-20
D)25-30
5
A 7.4 blood pH is considered to be
A)normal.
B)alkalosis.
C)moderate acidosis.
D)severe acidosis.





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