The Descending PAG-Raphé-Dorsal-Column Circuit Has Been Hypothesized to Mediate

question 47

Multiple Choice

The descending PAG-raphé-dorsal-column circuit has been hypothesized to mediate

• A) some types of pain.
• B) some types of analgesia.
• C) touch.
• D) audition.
• E) stereognosis.

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Definitions:

Carpals

The eight small bones that form the wrist, connecting the hand to the forearm.

Upper Limb

The region of the human body comprising the arm, forearm, wrist, and hand.

Tarsals

A group of seven bones in the foot that form the ankle and arch, crucial for movement and bearing the body's weight.

Tibia

The larger, stronger, and anterior of the two bones in the lower leg, commonly referred to as the shin bone.