QuestionSBA
QuestionChoice
This answer is incorrect. C fibres are unmyelinated and are responsible for the sensation of ongoing, lasting pain after a noxious stimulus is applied.
10007327
b
C fibres
QuestionChoice
This answer is incorrect. A-alpha fibres carry information related to proprioception rather than pain.
10007328
c
A-alpha fibres
QuestionChoice
This answer is incorrect. D fibres are not a recognised category of nerve fibre.
10007330
e
D fibres
QuestionChoice
This answer is correct. A-delta fibres are thinly myelinated and carry information related to pain and temperature. They are responsible for the first sensation of pain after a noxious stimulus is applied.
10007326
a
A-delta fibres
QuestionChoice
This answer is incorrect. Gamma fibres are efferent motor fibres rather than afferent sensory fibres.
10007329
d
Gamma fibres
Concept
Chapter
2693
3825
Pain sensation
Topic
152
Neuroscience
14012
An 18-year-old student accidentally burns their arm when taking their pizza out of the oven.

Which of the following nerve fibres is responsible for the initial pain following a noxious stimulus?
a