respiratoire: régulation nerveuse Flashcards

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1
Q

centres respiratoires

A

centre respiratoire bulbaire: ajuste/régule rythme resp
centre respiratoire pontin: assise centre bulbaire

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2
Q

SN?

A

SN somatique: muscles intercotaux/diaphragme
SNA parasympathique: muscle lisse bronchique (constr)
SNA sympathique: adrénaline/nor à eécepteur B (dilatation)

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3
Q

chimiorécepteurs centraux

A

tronc cérébral
sensible au pH de LCR

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4
Q

chimiorécepteurs périphériques

A

crosse aortique et sinus carotidien
variation PO2 artérielle
- PO2 = +hyperventilation

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5
Q

+ PO2 / - PCO2 / + pH

A
  • force diaphragme
  • fr et amplitude
  • ventilation
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6
Q
  • PO2 / + PCO2 / - pH
A

+ force diaphragme
+ fr et amplitude
+ ventilation

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