If Hb and Cardiac Output Are Normal, PaO₂ Must Acutely

question 35

Multiple Choice

If Hb and cardiac output are normal, PaO₂ must acutely decrease to which of the following levels before clinical manifestations appear?

• A) 71 to 80 mm Hg
• B) 61 to 70 mm Hg
• C) 50 to 60 mm Hg
• D) 40 to 49 mm Hg

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Definitions:

Opportunity Costs

The cost of the next best alternative foregone when a decision is made to choose one option over another.

Tax

Mandatory financial charges imposed by a government on individuals and organizations to fund public expenditures.

Market Price

The current price at which a good or service can be bought or sold, determined by the balance of supply and demand in the market.

Consumer Surplus

The differential in the total price consumers are interested and capable of paying for a product or service and the actual price paid.