Natural Analgesia Occurs When

question 211

Multiple Choice

Natural analgesia occurs when

• A)endogenous opiates bind to P-substance
• B)endogenous opiates bind to nociceptors in the spinal cord
• C)the periaquaductal gray matter stimulates afferent pain fibers in the spinal cord
• D)endogenous opiates bind to excitatory interneurons in the dorsal horns
• E)periaquaductal gray matter causes interneurons to release endogenous opiates that bind to receptors on afferent pain fibers

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Definitions:

Dependent Variable

Is the presumed effect in a cause-and-effect relationship.

Temperature

A physical quantity that expresses the subjective perceptions of hot and cold, measured typically with thermometers and represented in degrees.

Laboratory Setting

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Experimentation Problems

Issues arising during the process of conducting experiments that can affect outcomes, such as biases, uncontrollable variables, or ethical considerations.