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14 Cards in this Set
- Front
- Back
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Where is the Ventral respiratory Group?
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In the medulla oblangate(brainstem)
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What initiates a new inspiration
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VRG (ventral respiration Group)
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What nerves is involved in ventral respiration
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Phrenic nerve & intercostal nerve
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What nerves causes skeletal muscle contractions?
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Phrenic & intercostal
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What is the ventral respiratory group?
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Group of neurons that set breathing
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How many breaths are initiated by the VRG
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12 - 15 breaths per minute
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Describe the 5 second breath
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-2 second inspiration
-3 second expiration |
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What is good breathing cycle?
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Eupnea
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What are the Higher brain areas that effect Respiration?
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Hypothalamous
==>connects to pituitary gland Cerebal cortex |
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What links the hypothaloamous to breathing?
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-emotions
-Tempeture |
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How does emotions effect breathing rate?
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Increases breathing
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How does temperature effect breathing?
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heat - increases
cold - decreases |
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What specificly can effect breathing enough to stop breathing?
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cold >> apnea
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How does the cerebal cortex effect breathing?
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can modify breathing rate at will>>Think Hyperventalating until you pass out
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