Physio Flashcards
1
Q
Compare pulmonary arteriole diameter in sea level and at altitude
A
Sea level = dilated (normal)
Altitude = constricted (response to hypoxia)
2
Q
Normal PaO2
Decreased SaO2
Decreased O2 content
A
CO poisoning
3
Q
Normal PaO2
Normal SaO2
Normal O2 content
A
Cyanide poisoning
4
Q
Normal PaO2
Normal SaO2
Decreased O2 content
Explain
A
Anemia
Decreased hemoglobin concentration from bleeding
5
Q
Normal PaO2
Normal SaO2
Increased O2 content
A
Polycythemia
6
Q
Decreased PaO2
Decreased SaO2
Decreased O2 content
A
High altitude