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Week 7
Question | Answer |
---|---|
Which neuron could transmit a nerve impulse the fastest? | A large-diameter neuron with myelin |
No impulse can be sent through a neuron: | during the absolute refractory period. |
Which of the following antidepressants acts by blocking the action of monoamine oxidase (MAO)? | Phenelzine |
A synaptic knob would be located on a(n): | axon. |
Excitatory neurotransmitters are most likely to: | initiate an action potential. |
Severe depression can be caused by a deficit in certain brain synapses of: | amines. |
A slight shift away from the resting membrane potentials in a specific region of the plasma membrane is called a _____ potential. | local |
Which of the following is not one of the main chemical classes of neurotransmitters? | Triglycerides |
Compared with the outside of the neuron, the inside has a(n) ____ charge. | negative |
Which of the following is true of spatial summation? | Neurotransmitters released simultaneously from several presynaptic knobs converge on one postsynaptic neuron. |