Exam 10: Functional Organization of Nervous Tissue

Complete insensitivity to additional stimuli, no matter how strong is called the

Which of the following is NOT characteristic of neuroglia?

Which function of the nervous system comes from the monitoring of external and internal stimuli?

Which of the following is NOT found in high concentration outside a nerve cell?

Nerves of the PNS contain only myelinated axons.

Which type of neuroglial cells are responsible for the formation of the blood-brain barrier?

Which function of the nervous system is the processing of sensory input and initiating responses?

Which of the following is NOT true about the resting membrane potential?

The most numerous type of neuron in the body are bipolar neurons.

Myelinated axons conduct impulses faster than nonmyelinated axons.

Neurotransmitters are found in the

Tiny areas of naked axon between Schwann cells or oligodendrocyte wraps are called nodes of Ranvier.

What type of summation occurs when two action potentials arrive in close succession at the presynaptic terminal that add together to produce an action potential?

What is the primary method of maintaining the difference in sodium and potassium ions across the plasma membrane?

Which of the following is NOT a functional classification of neurons?

The duration of the absolute refractory period determines the maximum frequency of action potentials.

Most sensory neurons are

A chemical synapse uses _______ to continue the action potential.

Type A nerve fibers are part of the autonomic nervous system.

Which of the following is NOT true of action potential frequency?