Central Mechanisms
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is the function of the CVC and where is it located? | exerts Autonomic control over the Heart/Aterioles - Medulla
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| How does the CVC exert Aunomic control? | Inhibitory, Excitatory input from Peripheral Receptors
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| What is the function of Pressreceptors/Baroreceptors? | INHIBIT the CVC - sensitive to HIGH BP --> DECREASE BF
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| Where are Pressreceptors/Baroreceptors located? | Aortic Arch, Carotid bodies
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| name 2 Excitatory Peripheral Receptors. | Chemoreceptors, Mechanoreceptors
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| What is the function of Chemoreceptors? | EXCITE the CVC - sensitive to LOW O2 in the blood --> INCREASE BP
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| What is the function of Mechanoreceptors? | EXCITE the CVC - sensitive to Movement --> INCREASE BP
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| Where are Mechanoreceptors located? | Joints, Skeletal Muscles
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| What would be the Inhibitory input response to decreased Sympathetic? | Vasodilation (alpha-adrenergeric) --> decrease PR --> decrease MAP = decrease BF
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| What would be the Inhibitory input response to increased Parasympathetic? | decrease HR --> decrease MAP = decrease BF
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| What would be the Excitatory input response to increased Sympathetic? | Vasoconstriction (alpha-adrenergic) some Vasodilation (ß2-adrenergic) --> increase PR --> increase MAP = increase BF
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| What would be the Excitatory input response to decreased Parasympathetic? | increase HR --> increase MAP = increase BF
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Created by:
Kristel
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