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

H2 · Nervous System Physiology

H2.vi · Neural Electrophysiology

Official V5 objective
Explain the basic electro-physiology of neural tissue, including conduction of nerve impulses, role of myelin and synaptic functions.
3 SAQ topics 3 SAQ appearances 3 VIVA stations

Written examination

SAQ history

3 appearances
Outline the physiology of excitation and conduction in nerve axons (60% of marks). List the factors which delay axonal conduction (40% of the marks).
30%
(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%
Describe the stages of sleep (50%) Describe the respiratory physiological changes that occur in sleep (50%)
29%

Oral examination

VIVA history

3 stations

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