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Questions and Answers
Which laminae receive presynaptic terminals from A beta neurons?
Which laminae receive presynaptic terminals from A beta neurons?
- Lamina 3
- Lamina 6
- Lamina 4
- Lamina 5 (correct)
Which tract is responsible for carrying both noxious and non-noxious information from A beta, A delta, and C fibers from the periphery to the thalamus?
Which tract is responsible for carrying both noxious and non-noxious information from A beta, A delta, and C fibers from the periphery to the thalamus?
- Paleospinothalamic tract
- Anterior Pathway
- Neospinothalamic tract (correct)
- Lateral Pathway
Where does the primary somatosensory cortex (PSC) receive projections primarily from the neospinothalamic tract?
Where does the primary somatosensory cortex (PSC) receive projections primarily from the neospinothalamic tract?
- Hypothalamus
- Reticular formation
- Primary somatosensory cortex (correct)
- Periaqueductal gray
What is the first step in nociception process?
What is the first step in nociception process?
Which structure plays a role in sensory modulation and descending inhibition?
Which structure plays a role in sensory modulation and descending inhibition?
Where does the transmission stage of nociception begin and end?
Where does the transmission stage of nociception begin and end?
Which structure is a key in the propagation of pain modulation, sympathetic responses, and learning an action of defensive and aversive behaviors?
Which structure is a key in the propagation of pain modulation, sympathetic responses, and learning an action of defensive and aversive behaviors?
What is the primary role of endogenous opioids at the level of the brain?
What is the primary role of endogenous opioids at the level of the brain?
What is the main mechanism for central sensitization?
What is the main mechanism for central sensitization?
What is the main function of the spinothalamic tract?
What is the main function of the spinothalamic tract?
How does the gate control theory relate to nociceptive modulation?
How does the gate control theory relate to nociceptive modulation?
What is the role of descending inhibition systems in nociceptive modulation?
What is the role of descending inhibition systems in nociceptive modulation?
What is the primary role of the Reticular Formation RN and Raphe Nuclei PVG & PAG in the context of pain modulation?
What is the primary role of the Reticular Formation RN and Raphe Nuclei PVG & PAG in the context of pain modulation?
Which structure(s) are associated with the modulation of visceral, emotional, and autonomic responses in the context of pain processing?
Which structure(s) are associated with the modulation of visceral, emotional, and autonomic responses in the context of pain processing?
What is the main function of the Dorsal Horn interneurons in the context of pain modulation?
What is the main function of the Dorsal Horn interneurons in the context of pain modulation?
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