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4 Cards in this Set

  • Front
  • Back
The transmitter used to carry information from nociceptive neurons to the spinothalamic tract neurons is

a. substance P
b. glutamate
c. Neurokini1
d. Acetylcholine
e. NMDA
B. Glutamate
The pain produced in an internal organ is called

a. visceral pain
b. referred pain
c. psychosomatic pain
d. somatic pain
e. phantom pain
A. Visceral Pain
Pain sensations can be referred from deep structures to superficial structures because

a. They are transmitted to the same part of the somatosensory cortex
b. They are transmitted to the spinal cord by the same nerve fibre
c. They may involve the same type of ion channels
d. They appear to be conducted by Aβ and C fibres respectively
e. They appear to send inputs to the same neurons in the spinal cord
E. They appear to send inputs to the same neurons in the spinal cord
The two sensations of fast and slow pain arise from activation of

a. superficial and deep body structures respectively
b. Spinothalamic tract and spinobrachial tract neurons respectively
c. TRPV1 and Serotonin ion channels respectively
d. TRPV1 and mechanically-gated ion channels respectively
e. the terminals of Aδ and C nerve fibres respectively
E. The terminals of Aδ and C nerve fibres respectively