G1.i · pH Regulation

Official V5 objective

Explain the regulation of plasma and cellular pH and their importance.

2 SAQ topics 4 SAQ appearances 4 VIVA stations

Written examination

SAQ history

4 appearances

Renal Tubular Physiology — Acid Excretion

3 exam appearances

2024B Q14

Explain how the kidney handles an acid load.

34%

2020B Q19

Explain how the kidney handles an acid load.

51%

2014B Q12

Describe the role of the kidneys in the excretion of non-volatile acid.

27%

Renal Tubular Physiology — Bicarbonate Handling

1 exam appearance

2010B Q12

Describe the renal handling of bicarbonate and the changes in urine pH along the nephron. (80% of marks) How is this affected by hypoventilation? (20% of marks)

27%

Oral examination

VIVA history

4 stations

2023B · Day 3 · VIVA 1
This viva will examine on acid base physiology. Define pH and its physiological importance. Describe how pH is measured by the blood gas machine.

Pass rate not reported
2021B · Day 2 · VIVA 1
This viva will assess your knowledge on acid-base. Define pH. Describe how pH is measured by the blood gas machine?

89% successful
2021A · Day 2 · VIVA 4
This viva will explore your knowledge of acid base physiology. What is an acid and how much acid does the body produce daily?

67% successful
2019A · Day 2 · VIVA 6
This viva is about acid base physiology. What are acids and bases? Give an example of each found in the body.

100% successful

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