Neurophysiological Effects of Analgesic Currents on Pain Management
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Questions and Answers

Which neurotransmitter system is associated with immobility at the supraspinal level?

  • Norepinephrine
  • Serotonergic system (correct)
  • Endorphins
  • Enkephalins
  • Which neurotransmitter releases endorphins at the supraspinal level?

  • Endomorphins (correct)
  • Enkephalins
  • Serotonergic system
  • Norepinephrine
  • What is the origin of the α2-adrenergic system at the supraspinal level?

  • Endomorphins
  • Rostral ventral medulla
  • Nucleus Raphe Magnus
  • Nucleus Coeruleus (correct)
  • Which area is associated with the stimulation of nucleus raphe magnus at the supraspinal level?

    <p>Periaqueductal grey matter (C)</p> Signup and view all the answers

    Which opioid receptor type is associated with enkephalins at the supraspinal level?

    <p>δ receptors (D)</p> Signup and view all the answers

    Which neurotransmitters are involved in the presynaptic and postsynaptic inhibition of substance P/glutamate at the κ receptors?

    <p>β-endorphins and dynorphins (C)</p> Signup and view all the answers

    Which neurotransmitters are involved in the supraspinal level inhibitory descendant systems?

    <p>β-endorphins and dynorphins (C)</p> Signup and view all the answers

    What type of stimulus does acupuncture TENS primarily respond to?

    <p>Mechanical threshold (B)</p> Signup and view all the answers

    What is the role of burst TENS at the peripheral level?

    <p>Causing a faster onset of analgesia (B)</p> Signup and view all the answers

    What is the effect of electroacupuncture on capsaicin-induced secondary hyperalgesia?

    <p>It suppresses capsaicin-induced secondary hyperalgesia (A)</p> Signup and view all the answers

    What is the pulse duration of Träbert current?

    <p>5ms (B)</p> Signup and view all the answers

    What is the main effect of Träbert current?

    <p>Stimulates thick fibers (A)</p> Signup and view all the answers

    How is the maximum intensity for Träbert current calculated?

    <p>(Igal/GC) x 100 (B)</p> Signup and view all the answers

    What is the frequency of the Galvanic Interrupted current?

    <p>8000 Hz (D)</p> Signup and view all the answers

    What is the effect of the galvanic component in Träbert current?

    <p>28.6% (B)</p> Signup and view all the answers

    Which type of current is recommended for hypertone and muscle contracture post-traumatic or neuralgic pain?

    <p>Fixed diphase (DF) (D)</p> Signup and view all the answers

    What is the primary purpose of diadynamic currents?

    <p>Analgesia and circulation stimulation (A)</p> Signup and view all the answers

    Which type of current is recommended for poorly vascularised areas as a tonic for muscle tissue?

    <p>Fixed monophase (MF) (A)</p> Signup and view all the answers

    What is the effect of long periods (LP) diadynamic current?

    <p>Analgesic and spasmolitic effect longer than DF, specially in acute problems (A)</p> Signup and view all the answers

    Which condition is contraindicated for general electrotherapy?

    <p>Active epiphysis (C)</p> Signup and view all the answers

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