A&P 2 Lab 2nd part of semester

Réussis tes devoirs et examens dès maintenant avec Quizwiz!

in the parasympathetic system which of the following is the preganglionic neurotransmitter?

always acetylcholine

what parasympathetic nerve fibers supply the chest and abdomen?

cranial nerve X (aka vagus)

what parasympathetic nerve fibers supply the eyes, face, and neck are what?

cranial nerves (III, VII, IX)

true or false: every organ or tissue has a parasympathetic innervation

false

in assessing the autonomic nervous system which of the following is true for skin potentials recorded over the palm of sole of the foot?

is assesses sympathetic activity in the nerves

in assessing autonomic nervous system function which of the following is true for heart rate variability (HRV)?

its deter mined by both vagal and sympathetic innervation of the heart

in assessing autonomic nervous system function in a healthy person, which of the following may occur with a change from a supine to a standing posture?

little change in systolic pressure after three minutes

which of the following is true for the parasympathetic system?

norepinephrine is never involved as a postganglionic neurotransmitter

sympathetic nervous system or parasympathetic nervous system part of ANS that originates from the cranio-sacral portion of the nervous system

parasympathetic

sympathetic nervous system or parasympathetic nervous system post ganglionic transmitter is acetylcholine

parasympathetic

sympathetic nervous system or parasympathetic nervous system short postganglionic fibers

parasympathetic

role of the autonomic nervous system

regulates cardiac function, digestion, respiration, salvation, sweating, pupil diameter, urination, and sexual arousal

the autonomic nervous system (ANS) has what?

sensory (afferent) and motor (efferent) components

in measuring the autonomic nervous system skin potentials, which of the following is true for stimulation of the median nerve?

stimulation can be on either side

sympathetic nervous system or parasympathetic nervous system activated in fight or flight

sympathetic

sympathetic nervous system or parasympathetic nervous system long post ganglionic fibers

sympathetic

sympathetic nervous system or parasympathetic nervous system origins from the thoracic lumbar portion of the nervous system

sympathetic

sympathetic nervous system or parasympathetic nervous system post-ganglionic neurotransmitter most common norepinephrine

sympathetic


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