ANAnaesthesia NotesPart One
—physiology
Question bank→Physiology→Maternal, fetal and neonatal physiology

Question bank · Physiology

Maternal and fetal physiology,
two circulations and a transition.

01

Written questions

Model answers available

Physiology4 + 4 + 2 marks

Physiology SAQ Paper 1
  1. A healthy woman presents for elective surgery at 34 weeks of pregnancy.
  2. (a)Describe the major cardiovascular changes during pregnancy.4 marks
  3. (b)Describe the major respiratory changes during pregnancy.4 marks
  4. (c)Explain the physiological basis of supine hypotension in late pregnancy.2 marks
Model answer available
02

Single best answer

3 SBAs on maternal, fetal and neonatal physiology

Practise all 3
03

Viva

2 viva questions

  1. Why can SpO₂ fall quickly during apnoea in pregnancy?

    Show the answerSay it out loud first

    FRC, the major oxygen reservoir, is smaller while oxygen consumption is higher.

    Physiology SAQ Paper 1 · Q6 →

  2. Why is PaCO₂ 40 mmHg concerning at term?

    Show the answerSay it out loud first

    Pregnancy normally lowers PaCO₂ to about 28–32 mmHg; 40 mmHg may indicate relative hypoventilation.

    Physiology SAQ Paper 1 · Q6 →

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