Neurotransmitters and Nerve Fibers
What type of nerve fibers are in the somatic nervous system?
Type A Fibers
What is a commonly used phrase that describes parasympathetic function?
Rest and digest
What effect does the sympathetic nervous system have on the eyes?
Pupil dilation
Which receptors are associated with the parasympathetic nervous system?
Nicotinic and muscarinic
Which parasympathetic receptors are in most of the organs?
M3
What type of nerve fibers are in the autonomic nervous system?
Type B and C fibers
What is a commonly used phrase that describes sympathetic function?
Fight or flight
What effect does the parasympathetic nervous system have on the bladder? (Detrusor and sphincter)
Contraction of detrusor and sphincter
Which receptors are associated with the sympathetic nervous system?
Alpha 1, alpha 2, beta 1, beta 2
Which parasympathetic receptor type is in the heart?
M2
What type of neurotransmitter is in the somatic nervous system?
ACh
Which division of the ANS is more active after a meal?
Parasympathetic nervous system
What effect does the parasympathetic nervous system have on the lungs?
Constrict the bronchi and increase mucus production
Which receptors are present in the somatic nervous system? (NMJ)
Nicotinic
Which type of receptor is in the sympathetic ganglia?
Nicotinic (same as PNS)
What type or neurotransmitter is in the ganglion synapse? (ANS)
ACh
Which division of the ANS does all of its functions simultaneously when triggered?
Sympathetic nervous system
What effect does the sympathetic nervous system have on the intestines?
Smooth muscle relaxation
Which receptors induce vasoconstriction in blood vessels?
Alpha 1
Which receptors are activated in the heart during sympathetic stimulation?
Beta 1
What type of neurotransmitters are used at the effector sites in the ANS?
NE in SNS, ACh in PNS
Which division of the ANS can be selective with which functions it chooses to exhibit based on the given stimuli?
Parasympathetic nervous system
What effect does the sympathetic nervous system have on the liver? (blood sugar)
Increased gluconeogenesis
Which receptors induce vasodilation in blood vessels?
Beta 2
Which receptors in the sweat glands are triggered during sympathetic stimulation?
Muscarinic