The Capacity of Morphine and Codeine to Provide Excellent Pain

question 89

Multiple Choice

The capacity of morphine and codeine to provide excellent pain relief occurs because these drugs

• A) inhibit the uptake of serotonin.
• B) cause the loss of physical sensation.
• C) exert analgesic properties that resemble those of the body's endorphins.
• D) increase central nervous system activity.
• E) cause temporary failure within the cerebrum.

---

Definitions:

Placental Tissue

Tissue part of the placenta, which supports fetal development by facilitating nutrient uptake, waste elimination, and gas exchange between mother and fetus.

Differential Gene

A gene that is expressed in different amounts or by different mechanisms in response to environmental or developmental stimuli.

Genetic Variation

The diversity in gene frequencies within a population, which can result from mutation, sexual reproduction, and other processes.

Somatic Cells

Any cell of a living organism other than the reproductive cells; they make up the body's organs, skin, bones, and blood.