Local Anesthetics Eliminate the Pain Response by Inhibiting the Sensory

question 12

Multiple Choice

Local anesthetics eliminate the pain response by inhibiting the sensory nerves that carry painful stimuli to the central nervous system.Select a true statement about the mechanism of action of the local anesthetics.

• A) Sodium ions are blocked from passing through the cell membrane.
• B) Nerve depolarization is prevented.
• C) Conduction of impulses along the nerves is blocked.
• D) All of the above are true.

---

Definitions:

Fusiform Face Area

A region of the human brain located in the fusiform gyrus, which is thought to be involved in the recognition of faces.

Temporal Lobe

A region of the cerebral cortex responsible for processing auditory information and is involved in memory and speech.

Feature Detectors

Neurons in the brain that identify specific features of a stimulus, such as shape, angle, or movement.

Bipolar Cells

Neurons in the retina that transmit signals from the photoreceptors to the ganglion cells.