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10 Cards in this Set
- Front
- Back
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Describe the function of the Autonomic Nervous System (ANS)
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1. Allows the organs to respond to changing body needs; 2. Carries out automatic and unconscious visceral responses; 3. Regulates organ function |
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What are the TWO divisions of the ANS
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1. Parasympathetic; & 2. Sympathetic
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Describe the function of Parasympathetic Division
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Division of the ANS concerned with "Feed & Breed Response" = 1. Heart rate decreases; 2. Blood pressure decreases; 3. Digestive tract stimulates motility & secretion |
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Describe the function of Sympathetic Division
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Division of the ANS that causes the fight-or-flight response = 1. Heart rate increase; 2. blood vessels constrict; 3. Blood pressure increase; 4. Pupils dilate; 5. Excess sweating |
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What are the TWO types of receptors in ANS |
1. Cholinergic fibers & 2. Adrenergic fibers
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Define cholinergic fibers:
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neuron that secretes acetylcholine (ACh) as its neurotransmistter
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Define adrenergic fibers:
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neuron that secretes norepinephine (adrenaline) as its neurotransmitter
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Name both Autonomic Pharmacology |
1. Agonist & 2. Antagonist
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Describe Autonomic Pharmacology : Agonist
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Directly activates receptors |
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Describe Autonomic Pharmacology : Antagonist |
Prevents receptor activation
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