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Chapter 18 - Computed Tomography (rated 100% correct).
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Chapter 18 - Computed Tomography(rated 100% correct).
At what level does the solid spinal cord terminate?
a. L1
b. L2
c. L3
d. L4 ANS - a. L1
The tapered end where the spinal cord terminates is called what? ANS - Conus medularis
The specialized cells of the nervous system that conduct electrical impulses are called what? ANS -
Neurons
The parts of the cells that receive the electrical impulse and conduct them toward the cell body are
called what? ANS - Dendrites
Outer "hard" / "tough" layer of the skull is the
a. Arachnoid mater
b. Pia mater
c. Dura mater ANS - c. Dura mater
The spider like avascular membrane of the skull is the
a. Arachnoid mater
b. Pia mater
,c. Dura mater ANS - a. Arachnoid mater
The inner "tender" layer of the skull is called what
a. Arachnoid mater
b. Pia mater
c. Dura mater ANS - b. Pia mater
The space in the brain that is narrow and contains a thin layer of fluid is called what?
a. Subarachnoid space
b. Subdural space
c. Epidural space ANS - b. Subdural space
In the skull, what is the wider space filled with cerebrospinal fluid?
a. Subarachnoid space
b. Subdural space
c. Epidural space ANS - a. Subarachnoid space
What is the name of the arched mass of transverse fibers (white matter) that connects the two cerebral
hemispheres?
a. Falx cerebri
b. Anterior central gyrus
c. Central sulcus
d. Corpus callosum ANS - D. Corpus callosum
What is the name of the large groove that separates the cerebral hemispheres?
, a. Anterior central gyrus
b. Longitudinal fissure
c. Central sulcus
d. Posterior central gyrus ANS - B. Longitudinal fissure
The central midline portion of the brain connecting to the midbrain, pons, and medulla to the spinal
cord is called the: ANS - Brainstem
This gland is located just inferior to the division of the forebrain ANS - Pituitary gland
A midline structure gland ANS - Pineal gland
The thin, outer cerebral cortex is _____________ matter
White / Gray ANS - Gray
The more centrally located brain tissue is ____________ matter
White / Gray ANS - White
Consists of tracts of myelinated axons of nerve cells ANS - White matter
Is primarily dendrites and cell bodies ANS - Gray matter
What are the three structures of the brainstem? ANS - 1. Midbrain
2. Pons
3. Medulla
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