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6 Cards in this Set
- Front
- Back
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What are the divisions of the parietal pleura?
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Costal, mediastinal, diaphragmatic, cervical
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What muscles are usd during forced inspiration?
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external intercostals, scalenes, sternocleidomastoid, (and, if arms are braced---pectoralis minor and major)
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What muscles are used during forced exhaltion?
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internal intercostals, abdominal muscles
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What is the pulmonary plexus?
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parasympathetic branches from the vagus nerve (10th cranial nerve) and sympathetic branches from the sympathetic trunks.
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What are the parasympathetic effects in the respiratory system?
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Constrict bronchioles (they have smooth muscle in their walls)
Dilate Pulmonary vessels (artery and vein) Cause bronchial glands to secrete (secretomotor) |
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What are the sympathetic effects in the respiratory system?
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Dilate Bronchioles
Constrict Pulmonary Vessels (vasoconstrictor) [note: depends on which receptors are activated] Cause bronchial glands to stop secreting (inhibitor) |
