RT test 5 cont.

What is perfusion?
- Blood flow to the tissues
- (people with low blood flow, turn blue)
Where is perfusion is the highest?

At the base of the lungs
Majority of O2 is carried by what?

Hemoglobin
What are the three things that affet O2 affinity?
- pH
- Body Temperature
- 2,3 DPG
What is the normal difference between CAO2 and CVO2?

5mL/dL <- O2 uptake
What is hypoxia?

inadequate O2 delivery to the tissues
What is hypoxemia?

Decreased O2 in the blood
When tissues can't take up O2, it's called?

Dyoxia, happens in cyanide poisoning
What is the goal of acid-base chemistry?

Homeostasis/ maintaining a normal pH
What is the most common volatile acid in the body?

Carbonic acid = H2CO3
Other volatile acids, what other acids are there?

Fixed acids: lactic acid, keto acid
What is the primary buffer for fixed acids?

Bicarb/HCO3
What is a buffer?

Any solution that resists changes in pH

Author

m1kezor

36366

Card Set

RT test 5 cont.

Description

RT test 5 cont.

Updated

2010-09-21T22:07:11Z

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