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16 Cards in this Set
- Front
- Back
Which nervous system innervates skeletal muscle & controls voluntary movement?
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somatic nervous system
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2 main neurotransmitters of the ANS are?
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acetylecholine and norepinerine
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Nerve fibers secreting norepinephrine are called?
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adrenergic fibers
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Nerve fibers that secrete acetylcholine are called?
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cholinergic fibers
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Neurotransmitters, medications or hormones that bind to receptors are collectively called?
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ligands
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Increased arterial blood pressure is a specfic response of which branch of the autonomic nervous system?
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SNS (sympathetic nervous system)
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Pupil dialation is a specific body response of which branch of the ANS?
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SNS
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Responses of this branch of the ANS are protective mechanisms designed to help the person cope with the stress or get away from it?
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SNS (sympathetic nervous system)
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Which 2 neurotransmitters of the SNS also function as hormones?
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norepinephrine & epinephrine
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Norepinephrine acts mainly on which adrenergic receptors?
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alpha
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Epinephrine acts mainly on which adrenergic receptors?
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alpha and beta
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Which adrenergic receptors are located in the brain, kidneys & other viscera?
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dopaminergic (dopamine) receptors
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Primary response to stimulation of this adrenergic receptor is vasconstriction & gyconeonolisys, gluconeogensis
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alpha 1
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Primary response to stimulation of this adrenergic receptor is vasconstriction & inhibition of insulin release?
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alpha 2
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Increased blood sugar is a specific body response of which branch of the ANS?
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SNS
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Increased capacity for vigorous muscle activity in response to a perceived threat, whether real or imaginary, is often called the fight-or-flight reaction and refers to which branch of the nervous system?
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SNS (sympathetic nervous system)
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