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29 Cards in this Set
- Front
- Back
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These paired nerves supply motor innervation to the diaphragm?
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Phrenic nerves
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T/F:
The ganglion is neruon to neuron? |
True
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T/F:
Bronchoconstriction is when the smooth muscle contracts? |
True
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T/F:
Bronchodilation is when the smooth muscle contracts? |
False
it's when the smooth muscle relaxes |
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T/F:
The neuromuscular junction is a synapse between neuron and the effector organ? |
True
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During _________ innervation there is no motor control over the airway muscle?
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autonomic
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__________ is a control center for homeostasis?
Homeostasis is a balance. |
Hypothalamus
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The __________ receives input
+ core temp + skin temp + blood pressure + blood chemistry + oxygen demand + emotional state This sends out reactive messages |
hypothalamus
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This is also known as the adrenergic nervous system?
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sympathetic
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What does the sympathetic nervous system secrete?
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norepinephrine
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what controls your "fight or flight" response?
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sympathetic nervous system
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What is the other name for the cholinergic nervous system?
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Parasympathetic
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What nervous system is in control of the "rest and digest" response?
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Parasympathetic
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________ impulses are the major neural bronchoconstrictor mechanism and the major determinant of airway diameter?
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Parasympathetic
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What does the parasympathetic nervous system secrete?
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acetylcholine
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What type of molecules are receptor cells?
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protein
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what are the jobs of the receptor cells?
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to excite and inhibit the cells
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_________________ binds with the receptor cells on the cell membrane of the effector organ?
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receptor cells
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What do B2 agonists cause?
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vasodilation
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What do alpha agonists cause?
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vasoconstriction
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_______ are chemicals that stimulate receptors?
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agonists
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_______are chemicals that block receptors?
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antagonists
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B2 agonists and cholinergic antagonists are the two major drug types used to reverse __________ in disease such as asthma and COPD?
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bronchospasm
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What are the vast majority of cells in the lungs?
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B2
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What reflex is said that asthmatics lose?
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Hering-Breuer reflex
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What are SASR?
These are only in the conducting airways and will inhibit a vagal nerve to relax! |
slowly adapting strech receptors
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T/F:
The Hering-Breuer reflex is a normal physiological protective mechanism that is absent even in mild asthma? |
True
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What are RARs?
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rapidly adapting irritant receptors
They are a lung defense mechanism by helping expel foreighn material from the lung by stimulating mucous secretions and cough! |
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Where are RARs located?
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in the larynx, trachea, carina, and mainstem
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