45. Nervous System

Which of the following best describes the sequence of ion movements during the depolarization phase of an action potential in a neuron?

Neurons are cells that are involved in __________.

Which of the following types of neurons is likely to propagate an action potential the fastest?

In which part of a neuron is the nucleus located?

A large number of dopamine-releasing neurons are found in the __________.

Which of the following types of neurons would normally have the shortest axon?

In a monosynaptic synapse, how many synapses occur between the afferent and efferent neuron?

Which of the following types of neurons primarily secrete acetylcholine as their neurotransmitter?

Even at rest, most neurons have periodic production of action potentials, known as the ____.

The myelin sheath covers which part of a neuron?

During depolarization of a neuron, what happens to the membrane potential?

Neurons communicate by __________.

What are ganglia?

A neuron that transmits an impulse to the central nervous system after the neuron is stimulated by the environment is called a(n) __________.

Which of the following is specifically a part or a function of the central nervous system?