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:

Reaction

A process that results in the chemical transformation of one set of chemical substances to another.

Benzene

A simple aromatic hydrocarbon with the chemical formula C6H6, known for its ring structure and stability.

Compound

A substance made up of two or more elements chemically combined in fixed proportions.

Benzene

A basic aromatic hydrocarbon with the chemical formula C6H6, characterized by its hexagonal ring structure.