Breathing control

Summary of Breathing control
Breathing is controlled by centers in the brainstem to maintain the PaO2 and PaCO2 within the normal ranges even under widely varying conditions like exercise. Chemoreceptors in the brain and periphery, mechanoreceptors in the lungs and joints, control centers in the medulla and pons, and respiratory muscles are all involved in the regulation of breathing.

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Breathing control

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High Yield Notes
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Flashcards

Breathing control

15 flashcards
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The three breathing control centers are the respiratory center, apneustic center, and the pneumotaxic center.

Questions

USMLE® Step 1 style questions USMLE

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USMLE® Step 2 style questions USMLE

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A 32-year-old woman comes to the emergency department because of shortness of breath. She has a body mass index of 36 kg/m2. She denies use of narcotics and has no history of lung disease or neuromuscular disease. Her arterial carbon dioxide concentrations are measured to be 49 mm Hg. Spirometry is performed and shows a restrictive pattern. Which of the following is the most likely diagnosis?