Syllabus · Current · V5 (2025) · Nervous System including autonomic and pain

H2 · Nervous System Physiology

H2.v · Nerve Fibre Classification

Official V5 objective
Describe the classification of nerve fibre types and outline the differences in their features.
1 SAQ topic 1 SAQ appearance 1 VIVA station

Written examination

SAQ history

1 appearance
(a) Outline the general classification of nerve fibres including details on their function, size and conduction speed (30% of marks). (b) Describe the mechanisms of action potential generation and propagation along a myelinated peripheral nerve fibre (70% of marks).
47%

Oral examination

VIVA history

1 station

Sources: objective text from the relevant CICM syllabus; historical SAQ and VIVA wording from CICM examiner reports.