PATH 1000: UNIT 4 EXAM QUESTIONS AND ANSWERS WITH
COMPLETE SOLUTIONS VERIFIED
Intensity of pain is directly related to ...
The level of tissue injury.
Which three parts of the nervous system is responsible for the sensation, perception, and response to
pain?
Afferent pathway, interpretive center, efferent pathway.
What is nociception?
perception of pain
What are nociceptors?
pain receptors
What is nociceptive pain?
Pain from stimulated nociceptors.
Why does pain perception differ throughout the body?
Because nociceptors are distributed unevenly.
Which 4 phases does nociception go through?
transduction, transmission, perception, modulation.
What types of stimuli do nociceptors respond to?
, chemical, mechanical, thermal.
What is pain?
an unpleasant sensory and emotional experience associated with actual or potential tissue damage
What is pain threshold?
point at which a stimulus is perceived as pain
What is pain tolerance?
The amount of pain a person can endure without it interfering with normal function
What is pain tolerance influenced by?
alcohol, opioids, distraction, strong beliefs, hypnosis.
What is pain modulation?
physiologic process of suppressing or facilitating pain
What is acute pain?
Short-term, self-limiting, stops after after injury heals.
What is chronic pain?
Persistent or recurring, lasts 3-6 months, often difficult to treat
What are the 4 common excitatory neurotransmitters?
Glutamate, aspartate, substance P, calcitonin.
Which peripheral mechanisms trigger the release of excitatory neurotransmitters?
tissue injury, chronic inflammatory lesions.
COMPLETE SOLUTIONS VERIFIED
Intensity of pain is directly related to ...
The level of tissue injury.
Which three parts of the nervous system is responsible for the sensation, perception, and response to
pain?
Afferent pathway, interpretive center, efferent pathway.
What is nociception?
perception of pain
What are nociceptors?
pain receptors
What is nociceptive pain?
Pain from stimulated nociceptors.
Why does pain perception differ throughout the body?
Because nociceptors are distributed unevenly.
Which 4 phases does nociception go through?
transduction, transmission, perception, modulation.
What types of stimuli do nociceptors respond to?
, chemical, mechanical, thermal.
What is pain?
an unpleasant sensory and emotional experience associated with actual or potential tissue damage
What is pain threshold?
point at which a stimulus is perceived as pain
What is pain tolerance?
The amount of pain a person can endure without it interfering with normal function
What is pain tolerance influenced by?
alcohol, opioids, distraction, strong beliefs, hypnosis.
What is pain modulation?
physiologic process of suppressing or facilitating pain
What is acute pain?
Short-term, self-limiting, stops after after injury heals.
What is chronic pain?
Persistent or recurring, lasts 3-6 months, often difficult to treat
What are the 4 common excitatory neurotransmitters?
Glutamate, aspartate, substance P, calcitonin.
Which peripheral mechanisms trigger the release of excitatory neurotransmitters?
tissue injury, chronic inflammatory lesions.
