Other questions in this quiz

2. How does tetrodotoxin act?

  • It systemically blocks the sodium channels involved in propagating the nerve impulse
  • It systemically blocks the calcium channels involved in propagating the nerve impulse
  • It systemically blocks the action of AChE in breaking down ACh in the synaptic cleft
  • It systemically blocks the release of ACh by breaking down the ACh vesicles whilst they are still in the pre-synaptic knob

3. What is the duration of action of Suxamethonium?

  • ~5mins
  • ~10mins
  • ~20mins
  • ~30mins

4. Both Vecuronium and Suxamethonium are metabolised, but they differ in their method of clearance. How is Suxamethonium cleared?

  • Flatulence
  • Passed out in faeces
  • Plasma Cholinesterase
  • Liver metabolism & voided in urine

5. Identify the symptom most commonly assoicated with organophosphate poisoning.

  • Increased urine output
  • Bursting eyeballs
  • Respiratory muscle paralysis
  • Tachycardia

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