The Relationship Between Partial Pressure of Oxygen and Percent Hemoglobin

question 14

Multiple Choice

The relationship between partial pressure of oxygen and percent hemoglobin saturation with oxygen is described by a ______ curve.This curve shape results from the fact that ______.

• A)hyperbolic, each heme molecule is oxygenated independently
• B)hyperbolic, oxygenation of one heme group increases the oxygen affinity of others
• C)sigmoid, each heme molecule is oxygenated independently
• D)sigmoid, oxygenation of one heme group increases the oxygen affinity of others

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Definitions:

Endogenous Factors

Internal factors that originate within an economic system or model and determine its behavior and state.

Exogenous Factors

External influences that can cause changes in an economic system, outside of the system’s control.

Price Shock Theory

A theory suggesting that sudden and unexpected changes in prices (typically upwards) can have significant adverse effects on an economy.

Business Cycle

The economic cycle of expansion and contraction that occurs within an economy.