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Anaes VivasApplied cardiovascular & respiratory physiology

Anaes Vivas · Applied cardiovascular & respiratory physiology

Data viva — the neuronal action potential

A Primary data viva — read each phase of the action potential and link it to the ion movement and channel state that produces it; then contrast with the cardiac action potential and tie to anaesthetic drug action.

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ANZCAFRCAABAEDAIC
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Target exams

ANZCAFRCAABAEDAIC
Prompt
A labelled graph of a single neuronal action potential is displayed (resting minus 70 mV, threshold minus 55 mV, upstroke, peak plus 30 mV, repolarisation, after-hyperpolarisation). Interpret the ionic events at each phase.

Stimulus

A labelled graph of a single neuronal action potential is displayed (resting minus 70 mV, threshold minus 55 mV, upstroke, peak plus 30 mV, repolarisation, after-hyperpolarisation). Interpret the ionic events at each phase.

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You have read the opening of this viva. The complete unit — every section and its primary-source references — is part of the Anaesthesia fellowship library.

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References4ShowHide
  1. [1]Silverstein TP. Explaining neuronal membrane potentials: the Goldman equation. Neuroscience, 2025.PMID 39755228
  2. [5]Rafati AH, et al. A model-based approach to neuronal electrical activity. Methods and Protocols, 2025.PMID 40700314
  3. [6]Orts DJB, et al. Chemically induced cardiotoxicity: voltage-dependent ion channels. Current Topics in Membranes, 2026.PMID 42082304
  4. [42082305]Bersten AD, Soni N (eds) Oh's Intensive Care Manual. 8th edition, Elsevier, 2018.
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