The Neuromuscular Junction - Medicine BM5 NLM1

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1. What are the two products of the metabolism of ACh?

  • Acetyl CoA & Choline
  • Acetic Acid & Choline
  • Acetylcholine & Ester
  • Acetic Acid & Cholinesterase
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Other questions in this quiz

2. True or false: depolarisations rapidly decline as your move further away from the NMJ?

  • 1984
  • True
  • Pass
  • False

3. True or false: a single AP will result in a single twitch?

  • Pass
  • 1945
  • True
  • False

4. What is a motor unit?

  • A group of muscle fibres innervated by a single motor neuron
  • A group of up to ten motor end plates
  • A single muscle fibre
  • A group of up to ten sarcomeres

5. Which of the following best describes the passage of an action potential post-NMJ to muscle contraction?

  • AP carried into transverse tubule system leading to calcium release and muscle contraction
  • Muscles don't like contracting
  • AP causes spasm in T tubules, which leads to muscle explosion
  • I don't know

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