Syllabus · Historical · V4 (2023) · Respiratory System

F7 · Diffusive Transfer of Respiratory Gases

F7.iii · Diffusive Transfer of Respiratory Gases

Official V4 objective
Explain perfusion-limited and diffusion-limited transfer of gases.
1 SAQ topic 3 SAQ appearances 0 VIVA stations
Current · V5 (2025) → C7.vi

Written examination

SAQ history

3 appearances
Pulmonary Gas Diffusion
3 exam appearances
2023B Q06
Explain perfusion limited and diffusion limited transfer of gases in the alveolus.
48%
2021A Q15
Explain perfusion limited and diffusion limited transfer of gases in the alveolus.
36%
2016B Q22
Outline the physiological factors that affect the diffusion of oxygen and carbon dioxide within the lung.
43%

Oral examination

VIVA history

0 stations

No mapped VIVA history for this objective.

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