Pain Management and Physiology in Dentistry
40 Questions
3 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which type of nociceptors is responsible for sharp, well-localized, and quickly fading pain?

  • Myelinated Aβ mechanoreceptive nociceptors
  • C-fibre mechanoreceptive nociceptors
  • Unmyelinated C-fibre nociceptors
  • Aδ mechanoreceptive nociceptors (correct)

    • What is the primary function of the thalamus in pain perception?

  • Transmitting nociceptive inputs to the sensory cortex
  • Regulating autonomic responses to pain
  • Interpreting the qualities of pain sensation
  • Generating intense pain through stimulation of thalamic nuclei (correct)

    • What is the result of the interactions between the thalamus and reticular formation in chronic pain?

  • Difficulty sleeping (correct)
  • Enhanced emotional response to pain
  • Increased sleep quality
  • Reduced autonomic responses

    • What type of response to pain is characterized by emotional and cognitive aspects?

    <p>Affective response</p> Signup and view all the answers

    What is the consequence of missing experiences of pain in early childhood?

    <p>Difficulty learning appropriate responses to pain later in life</p> Signup and view all the answers

    What is characteristic of congenital insensitivity to pain?

    <p>Absence of all reactions to noxious stimuli</p> Signup and view all the answers

    What is the role of the sensory cortex in pain perception?

    <p>Resulting in weak pain sensation</p> Signup and view all the answers

    What is the primary function of the thalamic nuclei in chronic pain?

    <p>Generating intense pain through stimulation</p> Signup and view all the answers

    What is the primary function of the dorsal root ganglia in relation to pain?

    <p>To modulate sensory input in the dorsal horn</p> Signup and view all the answers

    What is the term used to describe the way sensory input can be modulated at the level of the spinal cord?

    <p>Gate theory</p> Signup and view all the answers

    Which type of stimulus may not result in pain?

    <p>Olfactory</p> Signup and view all the answers

    What is the term used to describe the sensory receptors that respond to stimuli that cause pain?

    <p>Nociceptors</p> Signup and view all the answers

    What is the definition of pain according to the International Association for the Study of Pain?

    <p>A subjective perception derived from a particular stimulus</p> Signup and view all the answers

    What is the role of the ascending pathways in relation to pain?

    <p>To transmit nociceptive information to the sensory cortex</p> Signup and view all the answers

    What is the primary difference between pain and nociception?

    <p>Pain is a subjective perception, while nociception is a physiological response</p> Signup and view all the answers

    What is the term used to describe the concept of pain as a way of altering us that something is wrong?

    <p>Alarm theory</p> Signup and view all the answers

    Which type of pain is primarily transmitted by non-myelinated 'C' fibres?

    <p>Slow pain from deep layers of skin and deeper structures</p> Signup and view all the answers

    What is the primary function of the gate control mechanism in the spinal cord?

    <p>To regulate the flow of pain messages to the brain</p> Signup and view all the answers

    What is the result of central sensitization of second-order interneurons and peripheral sensitization of primary nociceptors?

    <p>Hyperalgesia and increased sensitivity to pain</p> Signup and view all the answers

    Which of the following conditions would most likely close the 'nerve gates' in the spinal cord?

    <p>Relaxation and rest</p> Signup and view all the answers

    What is the primary advantage of the pain sensation in terms of biological function?

    <p>To prompt adjustment of behavior to prevent tissue damage</p> Signup and view all the answers

    What is the name of the pathway that is concerned with the transmission of 'fast' pain from skin receptors?

    <p>Neospinothalamic tract</p> Signup and view all the answers

    Which of the following is NOT a condition that would open the 'nerve gates' in the spinal cord?

    <p>Positive emotions</p> Signup and view all the answers

    What is the term for the increased sensitivity of nociceptive neurons to pain stimuli?

    <p>Hyperalgesia</p> Signup and view all the answers

    What are the three types of pain described in the passage?

    <p>cutaneous, somatic, and visceral</p> Signup and view all the answers

    What is the function of the 1st order neurones in the afferent pathway?

    <p>to carry sharp pain and dull, poorly localised pain</p> Signup and view all the answers

    What is the basis of the 'Gate' theory?

    <p>the balance of inputs from Aβ and Aδ and C fibres</p> Signup and view all the answers

    What is unique about the Trigeminal nerve anatomy?

    <p>it has certain unique features that can influence pathological conditions</p> Signup and view all the answers

    What is the function of the dorsal horn of the spinal cord?

    <p>to modulate signals from the 1st order neurones</p> Signup and view all the answers

    What is the purpose of the 'Intro to Pain' plenary?

    <p>to review the passage of afferent pain impulses to the dorsal horn of the spinal cord</p> Signup and view all the answers

    What is the significance of the cell bodies of 1st order neurones being located in the dorsal root ganglia (DRG)?

    <p>it is the site where the 1st order neurones integrate signals from Aβ and Aδ and C fibres</p> Signup and view all the answers

    What is the principle that holds true for the Trigeminal system?

    <p>the principle of the 'Gate' theory</p> Signup and view all the answers

    What is the primary composition of the trigeminal nerve?

    <p>Predominantly afferent fibres</p> Signup and view all the answers

    What is the function of the semi-lunar or trigeminal ganglion?

    <p>Equivalent to dorsal root ganglion</p> Signup and view all the answers

    What is the characteristic of pain localisation from deeper structures?

    <p>Vague</p> Signup and view all the answers

    What is the similarity between the trigeminal nerve and spinal nerves?

    <p>They transmit to similar areas in the brain</p> Signup and view all the answers

    What is the characteristic of pain localisation from areas of skin surface?

    <p>Very precise</p> Signup and view all the answers

    Where do the nociceptive inputs from the trigeminal nerve ascend to?

    <p>Via the medulla and pons to the ventroposterior nuclei of the brainstem and onwards to the cortex</p> Signup and view all the answers

    What is the unique feature of the trigeminal nerve in terms of sensory perception from within tooth pulp?

    <p>There is no normal sensory perception</p> Signup and view all the answers

    How does the trigeminal nerve split shortly after the ganglion?

    <p>Into three branches</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser