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Q: If you are startled by a sudden loud noise how is the nervous system activated?
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What hormone activated the sympathetic nervous system?

epinephrine and norepinephrine stimulate the sympathetic nervous system


After Jane arrived safely at the ranger station and had a drink of water which nervous system became activated?

the parasympathetic nervous system


Which human body systems are directly involved in reflex actions such as knee jerk blinking and jumping when startled?

Nervous system and Muscular system usually. For some, the Sensory system, a part of the Nervous system, also has to do with reflexes.


What part of the nervous system would be immediately activated if you were attacked?

parasympathetic


When you are scared which nervous system does it triger?

If you are startled, and in the "flight or fight" mode, the sympathetic autonomic nervous system is active, which will cut of digestion, increase heartrate, dilate pupils, etc.


When baroreceptors sense a change in pressure is the autonomic nervous system activated?

YES


The sympathetic division of the autonomic nervous system is MOST likely to be activated when you are?

frightened


What part of the nervous system would be immediately activated if you were attacked by a mugger?

Autonomics


If your parasympathetic nervous system was activated what might you be doing?

relaxing under a tree


Which system would be activated by the flight-or-flight response?

respiratory system /\ The sympathetic division of the autonomic nervous system. The sympathetic nervous system accelerates functions such as heart rate and breathing.


Which human body system directly involved in reflex actions such as knee jerk blinking and jumping when startled?

nervous and muscular


When the sympathetic division of the autonomic nervous system is activated its effects can be prolonged by secretions of the?

When the sympathetic division of the autonomic nervous system us activated its effects can be prolonged by the secretions of the epinephrine by the adrenal medulla. Adrenal medulla is the inner most part of the adrenal gland.Ê