Which of the following hormones causes both systemic vasoconstriction and an increase in sodium and water retention (causing increased blood volume)?
A) epinephrine
B) norepinephrine
C) aldosterone
D) anti-diuretic hormone
Ans: C) aldosterone
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The organ systems responsible for integration and coordination are the nervous and endocrine systems.
Answer the following statement true (T) or false (F)
Compared to males who train for endurance events, females who train for such events
typically A) maintain a lower percentage of body fat. B) develop a higher percentage of muscle tissue because of estrogen. C) develop a higher percentage of muscle tissue because of testosterone. D) maintain a higher percentage of body fat.
A major source of stored energy for skeletal muscle during exercise is:
A. lactate B. triglyceride C. glycogen D. ketone bodies E. fatty acids
Which center bears the primary responsibility for generating the respiratory rhythm, but is influenced by several other centers?
A) PRG B) VRG C) DRG D) SRG