Exam 9: Nervous Tissue

A disorder in which an individual experiences sudden paralysis resulting from macrophages removing myelin from PNS axons is called

In resting neurons, neurotransmitters are stored in

Ependymal cells are neuroglial cells.

All the following are sensory functions of the nervous system EXCEPT

Which of the following types of cells found in the nervous system does NOT functionally belong with the others?

In general, damaged neurons in adults cannot be replaced by new neurons.

The loss of the covering produced by oligodendrocytes or Schwann cells is called demyelination.

Small masses of nervous tissue, consisting primarily of neuron cell bodies, found in the peripheral nervous system are called

The characteristic ability of neurons to respond to a stimulus and convert it into a nerve impulse is called

Excitatory neurotransmitters make an action potential less likely to occur.

Continuous conduction occurs along the entire membrane of myelinated axons.

The branch of medicine that deals with normal functioning and disorders of the nervous system is called

Muscle action potentials are similar to nerve action potentials.

Repolarization is due to the opening of sodium channels.

Neurotransmitters are released from the _____ into the synaptic cleft.

A bundle of myelinated axons within the white matter of the central nervous system is called a/an

Short, recurring, periodic attacks of motor, sensory or psychological malfunctions, which virtually never affect intelligence, are characteristics of

Microglia are macrophages of the CNS.

Nitric oxide is unique among neurotransmitters because it