During an acute reaction to a negative stress situation, _____ is released into the blood stream, causing _____.

During an acute reaction to a negative stress situation, _____ is released into the blood stream, causing _____. 



A. adrenaline, muscles to become more responsive
B. epinephrine, decrease in heart and respiratory rate
C. adrenaline, pupil constriction
D. epinephrine, increased hearing acuteness



Answer: 




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