A 65 year old woman comes to emergency department with severe dizziness and fainting episodes. Upon examination, her heart rate is 45 beats per minute, and her blood pressure is significantly low. She is not taking any medications that could explain these symptoms.
Which division of the autonomic nervous system is most likely responsible for her symptoms?

Question

A 65 year old woman comes to emergency department with severe dizziness and fainting episodes. Upon examination, her heart rate is 45 beats per minute, and her blood pressure is significantly low. She is not taking any medications that could explain these symptoms. 
 Which division of the autonomic nervous system is most likely responsible for her symptoms?

Accepted Answer

acetylcholine release by parasympathetic division

Answer

epinephrine release by adrenal medulla

Answer

acetylcholine release by somatic division

Answer

serotonin release by enteric division

Answer

norepinephrine release by sympathetic division

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