Quiz 8

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Suffix meaning speech:

-phasia

Suffix meaning paralysis:

-plegia

Neurilemma

A layer of Schwann cells that surrounds a nerve fiber in the PNS

Myelin sheath

A white fatty substance that surrounds nerve fibers

Combining form that means a sense of pain:

Alges/o

Synaptic knob

An enlargement that contains vesicles located at the distal end of the telodendria

Combining form that means feeling or sensation is:

Esthesi/o

A meningocele means that the spinal cord and meninges are protruding through a gap in the vertebral column. True/false

False

Bundles of nerve fibers interconnecting different parts of the CNS are called ganglia True/false

False

Shingles consists of painful blisters along the spinal cord True/false

False

Syncope means dizziness. True/false

False

The inner layer of cerebrum is the cerebral cortex True/false

False

The term anesthesia means the absence of pain? True/false

False

The term neurorrhapy means ruptured nerve True/false

False

There are 12 pairs of spinal nerves and 31 pairs of cranial nerves True/false

False

Node of Ranvier

Short unmyelinated spaces between segments of myelin in the myelinated nerve fiber

Synaptic cleft

Space between the the synaptic knob of a neuron and the cell membrane of an adjacent neuron

A CVA is a stroke True/false

True

A brain contains four interconnected cavities called ventricles True/false

True

A subdural hematoma is bleeding within the meninges after they are torn by trauma True/false

True

Cranial nerves are part of the PNS True/false

True

Electrical impulses require a neurotransmitter to cross the synaptic cleft True/false

True

Poliomyelitis is an infection in the spinal cord True/false

True

Symptoms of a migraine include severe head pain, nausea, and sensitivity to light True/false

True

The largest section of the brain is the cerebrum True/false

True

The nerve root is the point where a nerve is attached to the central nervous system True/false

True

The term aphasia means unable to speak True/false

True

The term myelogram means record of the spinal cord True/false

True

White matter is composed of myelinated nerve fibers True/false

True


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