The Partial Pressure of Oxygen in the

question 30

Multiple Choice

The partial pressure of oxygen in the

• A) atmospheric air averages 79% of total atmospheric pressure.
• B) blood is the most important factor that determines the extent to which O₂ will combine with hemoglobin.
• C) arterial blood is decreased when hemoglobin preferentially combines with CO rather than O₂.
• D) both (a) and (b) above.
• E) all of these answers.

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Definitions:

NovoLog

A brand-name for insulin aspart, a fast-acting insulin used to control high blood sugar in people with diabetes.

Rapid-Acting Insulin

A type of insulin that starts to lower blood sugar within a few minutes after injection and has a short duration of action.

Humulin N

A brand of insulin used to control blood sugar levels in people with diabetes.

Humulin R

A brand of insulin used to control high blood sugar in people with diabetes.