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Which of the following occurs during the fight or flight response?

Which of the following occurs during the fight or flight response?

A. Heart rate drops
B. Pupils dilate
C. Glycogenesis increases
D. Bronchi constrict




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1 Answer

  1. B. Pupils dilate

    During the FoF-R, pupils dilate to let in more light & improve vision
    -The Sympathetic NS stimulates adrenaline release (increasing oxygen, glucose, and energy.
    -Digestive & urinary systems are suppressed
    -Increased: heart rate, respiratory rate, glycogen break down, blood glucose, tremors & sweating
    -Relaxed intestines & bladder
    -Dilated bronchi (increasing respiratory rate to ensure sufficient O2 supply)

    Heart rate INCREASES during FoF response
    Glycogenesis reduces – more glycogen are broken don (glycogenolysis) to increase glucose levels int he blood & ensure supply of energy for FoF-R

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