Peripheral Nerves

Question 1

somatic sensory

Answer 1

afferent nerves transmit sensations involved in touch, pressure, pain, temperature, and position

Question 2

somatic motor

Answer 2

efferent fibers carry impulses t the skeletal (voluntary) muscles

Question 3

visceral (autonomic) sensory

Answer 3

afferent tracts transmit sensation from the visceral organs (sensations like full bladder or the need to defecate)

Question 4

visceral (autonomic) motor

Answer 4

efferent fibers exit the central nervous system and branch to supply nerves to the involuntary cardiac muscle and smooth muscle of the viscera (organs) and to the glans

Question 5

sympathetic nervous system

Answer 5

“fight or flight” / located near the thoracic and lumber part of the spinal cord / stimulation causes increased heart rate and blood pressure, pupillary dilation, a rise in the blood sugar, as well as bronchodilation / neurotransmitters - epinephrine and norepinephrine

Question 6

parasympathetic nervous system

Answer 6

“feed or breed” / stimulation causes decrease in heart rate, increase in digestion, pupillary constriction, reduction in blood sugar; monitors normal heart rate and blood pressure / neurotransmitter - acetylcoline