Question 1
Which type of ion channel is primarily responsible for the rapid depolarization phase of the action potential in a neuron?
Question 2
What is the effect of a drug that blocks voltage-gated calcium (Ca²⁺) channels at the presynaptic terminal on neurotransmitter release?
Question 3
Which of the following best describes the role of the sodium-potassium pump (Na⁺/K⁺-ATPase) in maintaining the resting membrane potential of a neuron?
Question 4
How does the presence of a drug that acts as a non-competitive antagonist at a postsynaptic receptor affect synaptic transmission?
Question 5
Which of the following best describes the mechanism by which tetanus toxin affects synaptic transmission?