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Physio Flashcards

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1
Q

Compare pulmonary arteriole diameter in sea level and at altitude

A

Sea level = dilated (normal)

Altitude = constricted (response to hypoxia)

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2
Q

Normal PaO2
Decreased SaO2
Decreased O2 content

A

CO poisoning

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3
Q

Normal PaO2
Normal SaO2
Normal O2 content

A

Cyanide poisoning

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4
Q

Normal PaO2
Normal SaO2
Decreased O2 content

Explain

A

Anemia

Decreased hemoglobin concentration from bleeding

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5
Q

Normal PaO2
Normal SaO2
Increased O2 content

A

Polycythemia

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6
Q

Decreased PaO2
Decreased SaO2
Decreased O2 content

A

High altitude

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