QuestionSBA
QuestionChoice
These fibres are thinly myelinated and have a medium diameter. They are involved in light touch, temperature and nociception (pain). However, this pain is felt immediately after the injury. This pain is well-localised and often described as a sharp pain.
10000783
c
A delta
QuestionChoice
These nerves are small and unmyelinated. This results in very slow transmission, so pain may be felt some time after the initial injury (second pain). This pain is also poorly localised, meaning it is felt in a wider area and more generally.
10000781
a
C fibres
QuestionChoice
These fibres are myelinated and have a large diameter. They are involved in light touch and proprioception.
10000782
b
A alpha fibres
QuestionChoice
These fibres are myelinated and have a large diameter. They are involved in light touch and proprioception.
10000784
d
A beta
QuestionChoice
Efferent nerve fibres exit the spinal cord and travel to effector sites (e.g. skeletal muscle). They do not perceive pain.
10000785
e
Efferent nerve fibres
Concept
Chapter
2693
3825
Pain sensation
Topic
152
Neuroscience
12703
Pain described as a "dull ache"  is transmitted through which nerve fibre?
a