143altitude4

143altitude4 - 2 • low PO 2 leads to low PO 2 in alveoli...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
4 Arterial Oxygen • Sea level or altitude - dry ambient air is 21% O 2 – With decreased density of air, PO 2 or density of oxygen is lower (hypoxia) – PO 2 = .21 X barometric pressure – sea level - 150 mmHg O 2 – 3000 m 110 mmHg O
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 2 • low PO 2 leads to low PO 2 in alveoli • low PO 2 in arterial blood • this change in arterial oxygen precipitates – immediate physiological adjustments – long term physiological adaptations...
View Full Document

{[ snackBarMessage ]}

Ask a homework question - tutors are online