QUESTIONS AND CORRECT ANSWERS
GRADED A+
● Which three parts of the nervous system is responsible for the
sensation, perception, and response to pain? Answer: Afferent pathway,
interpretive center, efferent pathway.
● What is nociception? Answer: perception of pain
● What are nociceptors? Answer: pain receptors
● What is nociceptive pain? Answer: Pain from stimulated nociceptors.
● Why does pain perception differ throughout the body? Answer:
Because nociceptors are distributed unevenly.
● Which 4 phases does nociception go through? Answer: transduction,
transmission, perception, modulation.
● What types of stimuli do nociceptors respond to? Answer: chemical,
mechanical, thermal.
, ● What is pain? Answer: an unpleasant sensory and emotional
experience associated with actual or potential tissue damage
● What is pain threshold? Answer: point at which a stimulus is perceived
as pain
● What is pain tolerance? Answer: The amount of pain a person can
endure without it interfering with normal function
● What is pain tolerance influenced by? Answer: alcohol, opioids,
distraction, strong beliefs, hypnosis.
● What is pain modulation? Answer: physiologic process of suppressing
or facilitating pain
● What is acute pain? Answer: Short-term, self-limiting, stops after after
injury heals.
● What is chronic pain? Answer: Persistent or recurring, lasts 3-6
months, often difficult to treat
● What are the 4 common excitatory neurotransmitters? Answer:
Glutamate, aspartate, substance P, calcitonin.