The Active Agent in Codeine Is

question 22

Multiple Choice

The active agent in codeine is

• A) codeine itself, without other compounds being involved.
• B) morphine obtained from biotransformation of codeine.
• C) able to bind at the opioid sigma receptor site to initiate the blockade of pain signals.
• D) best absorbed when this compound is injected into muscle tissue.

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Definitions:

Lever Systems

Mechanisms in the body that utilize bones to create movements through the application of force against a fulcrum.

Orbicularis Oculi

A muscle encircling the eye socket, involved in closing the eyelids.

Crow's Feet

Fine lines and wrinkles that form around the outer corners of the eyes, often associated with aging or frequent exposure to sunlight.

Depressor Anguli Oris

A facial muscle associated with frowning, drawing the corners of the mouth downward.