Factors Affecting Neuromuscular Junction (NMJ)
6 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

How does hypercalcemia affect membrane excitability at the neuromuscular junction (NMJ)?

  • Increases membrane excitability
  • Stabilizes membrane excitability
  • Inhibits membrane excitability (correct)
  • No effect on membrane excitability

    • Which of the following drugs inhibits membrane excitability at the NMJ by blocking nicotinic receptors on the motor end plate?

  • Nicotine
  • Physostigmine
  • D-tubocurarine (correct)
  • Succinylcholine

    • How does hypoxia affect membrane excitability at the NMJ?

  • No effect on membrane excitability
  • Stabilizes membrane excitability
  • Increases membrane excitability
  • Inhibits membrane excitability (correct)

    • Which drug increases membrane excitability at the NMJ by blocking the acetylcholine transporter protein on the vesicle?

    <p>Vesamicol</p> Signup and view all the answers

    What is the effect of anti-cholinesterase drugs like physostigmine on membrane excitability at the NMJ?

    <p>Increases membrane excitability</p> Signup and view all the answers

    Which toxin inhibits membrane excitability at the NMJ by continuous stimulation of EPP leading to decreased responsiveness of voltage-gated Na channels?

    <p>Tubocurarine</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser