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Respiratory > Normal Respiratory Physiology > Flashcards

Normal Respiratory Physiology Flashcards

1
Q

What are the main functions of the lungs?

A
  1. Oxygenate pulmonary arterial blood
  2. Remove carbon dioxide from the blood
  3. Maintain acid-base balance
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2
Q

What are the metabolic requirements at rest?

A

Supplies 250ml/min oxygen

Removes 200ml/min carbon dioxide

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3
Q

What are the metabolic requirements during exercise?

A

Supplies > 4L/min oxygen

Removes >4L/min carbon dioxide

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4
Q

How does the pump function work?

A

Negative pressure inflation - expand volume of thorax, suck air into lungs

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5
Q

What are the two types of work of breathing?

A

Resistive - airflow through bronchi

Elastic - expansion of lungs and chest wall

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Respiratory (20 decks)

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