Carbon dioxide levels in the blood and blood pH are _______.
A) inversely proportional to each other
B) directly proportional to each other
C) directly proportional to the amount of oxygen
D) independent of each other
Answer: A) inversely proportional to each other
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All capillary beds in the body are open all the time.
Answer the following statement true (T) or false (F)
Kinetic energy is
A. movement of ions or electrons. B. energy that moves in waves. C. energy that flows between objects with different temperatures. D. the form of energy that actually does work. E. stored energy that could do work but is not doing so.
Primary bronchi enter their respective lungs along with pulmonary vessels, nerves, and lymphatics at which region?
A) base B) apex C) hilum D) cardiac notch E) superior lobe
The P wave of an ECG represents
a. the contraction of the atria. b. the contraction of the ventricles. c. the depolarization of the ventricles. d. the depolarization of the atria. e. the repolarization of the ventricles.