Exam 11: Fundamentals of the Nervous System and Nervous Tissue

What are ciliated CNS neuroglia that play an active role in moving the cerebrospinal fluid called?

Which of the following is an excitatory neurotransmitter secreted by motor neurons innervating skeletal muscle?

A second nerve impulse cannot be generated until .

The overlapping functions of the nervous system are sensory input, integration, and motor output.

Figure 11.1Using Figure 11.1, match the following: -In a reflex arc, which neuron has its cell body inside the spinal cord?

Which of the following is not a function of astrocytes?

Figure 11.2Using Figure 11.2, match the following: -Ion channel.

Unipolar neurons have axons structurally divided into peripheral and central processes.

Axon diameter and degree of myelination determine nerve impulse conduction velocity.

Collections of nerve cell bodies outside the central nervous system are called .

Potentials that are short- lived, local changes in membrane potential that can be either depolarized or hyperpolarized are called potentials.

The term central nervous system refers to the .

How can a single axon respond to several different kinds of events?

In what way does the interior surface of a cell membrane of a resting (nonconducting) neuron differ from the external environment? The interior is .

If a motor neuron in the body were stimulated by an electrode placed about midpoint along the length of the axon _ .

The part of a neuron that conducts impulses away from its cell body is called a(n) _ .

Figure 11.1Using Figure 11.1, match the following: -Which neuron would be found in the retina of the eye?

Which of the following is not a chemical class of neurotransmitters?

Figure 11.1Using Figure 11.1, match the following: -A chemical messenger that does not directly cause ESPSs or IPSPs but does affect the strength of synaptic transmission is a .

Which of the following is false or incorrect?