Which of the Following Statements Is True of A-Delta Fibres

question 43

Multiple Choice

Which of the following statements is true of A-delta fibres?

• A)Sensory aspects of pain are heavily determined by activity in the A-delta fibers.
• B)A-delta fibers are unmyelinated nerve fibers that are involved in polymodal pain.
• C)Dull, aching pain is typically transmitted to the cerebral cortex by A-delta fibers.
• D)A-delta fibers typically conduct pain signals at a slower rate than C-fibers.

---

Definitions:

Genetic Ancestry

The lineage or descent traced through genes, often used to understand evolutionary relationships and individual ancestry.

Homo Habilis

A species of early human known for its use of simple stone tools, considered one of the earliest members of the genus Homo.

Gene Flow

The transfer of genetic variation from one population to another, which can influence the genetic composition of future generations.