The partial pressure of inspired oxygen (PO2) decreases with increasing altitude because of the
A. lower barometric pressure.
B. higher percent of carbon dioxide in the air.
C. higher percent of nitrogen in the air.
D. lower percent of oxygen in the air.
Answer: A
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The medial longitudinal fasciculus is a bilateral axonal pathway between the vestibular nuclei and which of the following?
A. Cranial nerve nuclei III, IV, and VI B. Superior colliculus C. Cranial nerve nuclei XI D. A and B E. A, B, and C
Recently, there has been an increased interest in physical activity, particularly in children, because
A. there is an obesity epidemic in the United States. B. studies are showing a link between physical activity and academic performance. C. of brain-based learning research. D. all of the choices are correct
One way of gaining muscle mass is to start a program of ________ combined with increased calories and protein
A) cardiovascular endurance exercise B) weight training C) interval training D) low-impact aerobics
Which system is suppressed as a result of the stress response?
a. nervous system b. endocrine system c. immune system d. circulatory system e. respiratory system