An Antagonist Drug ________

question 77

Multiple Choice

An antagonist drug ________.

• A) occupies but does not activate a receptor
• B) is similar to inserting the wrong key in a lock
• C) keeps other drugs from activating the receptor
• D) all of the above

---

Definitions:

Arms

Limbs attached to the upper body, comprised of the upper arm, forearm, and hand, used for manipulation and movement.

Gate Theory

A theory that suggests pain signals are modulated by neural gates in the spinal cord, which can block or allow the passage of pain signals to the brain.

Pain Transmission

The process by which pain signals are relayed from the site of injury or irritation through the nervous system to the brain.

Spinal Cord

A long, thin, tubular structure made up of nervous tissue, which extends from the brain down through the backbone, facilitating communication between the brain and the body.