Question 1
Which of the following is not a chemical class of neurotransmitters?
◦ biogenic amine
◦ ATP and other purines
◦ nucleic acid
◦ amino acid
Question 2
Which of the following is false or incorrect?
◦ An excitatory postsynaptic potential occurs if the excitatory effect is greater than the inhibitory effect but less than threshold.
◦ An inhibitory postsynaptic potential occurs if the inhibitory effect is greater than the excitatory, causing hyperpolarization of the membrane.
◦ A nerve impulse occurs if the excitatory and inhibitory effects are equal.