Which of the following is NOT an important function of the pulmonary system?
A. to provide an interface for gas exchange between the external environment and the body.
B. to cool the airways.
C. regulation of acid base balance during exercise.
D. None of these answers is correct
Answer: B
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Which of the following suffixes does NOT refer to an instrument?
a. -gram b. -meter c. -graph d. -scope
Which is a severe systemic allergic reaction that is life threatening?
A) local reaction. B) allergen. C) anaphylaxis. D) allergy
Blood travels back to the heart via the
A) arteries. B) capillaries. C) veins. D) aorta.
The ranges that result from the methods to calculate target heart rates should be used as general guidelines because
A. there is an indirect relationship between intensity and heart rate. B. more research is needed to confirm the validity of the values. C. higher heart rate values can occur with higher fitness levels. D. there are several possible sources of error that can influence the values.