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WorksheetsNervous system exam
Total questions: 50
Worksheet time: 28mins
Name
Class
Date
1.
There are ________ pairs of spinal nerves that originate from the spinal cord.
a)
3
b)
13
c)
31
d)
33
2.
Interneurons, also known as ________ neurons, are housed entirely within the central nervous system.
a)
associative
b)
interactive
c)
reactive
d)
active
3.
A nerve fiber is a ________ elongated process, usually an axon or a peripheral process.
a)
single
b)
double
c)
triple
d)
quadruple
4.
Damage to nerve cells without myelin sheaths is permanent, because regeneration of nerve cells can only happen when ________ cells are present.
a)
Chwann
b)
Schann
c)
Swan
d)
Schwann
5.
A nerve is a bundled unit of nerve fibers located ________ the brain and spinal cord, connecting various parts of the body.
a)
alongside
b)
inside
c)
outside
d)
distant from
6.
Receptors are typically ________ specific (pain, heat, cold, sharp), and they react by initiating a chemical change, or impulse.
a)
junction
b)
color
c)
length
d)
function
7.
A synapse is ________-shaped
a)
pear
b)
root
c)
knob
d)
oval
8.
Both the brain and the spinal cord are divided into gray matter and ________ matter.
a)
yellow
b)
white
c)
red
d)
green
9.
Which of the following is NOT one of the three types of neuron?
a)
motor
b)
sensory
c)
inter
d)
outer
10.
Motor neurons are called ________, meaning they transmit messages away from the cell body to the muscles and organs.
a)
defiant
b)
effective
c)
efferent
d)
defective
11.
A receptor is the point at which a(n) ________ of the nerve occurs.
a)
emulation
b)
copulation
c)
suffocation
d)
stimulation
12.
There are many types of sensory receptors, starting from the very simple nerves that receive pain to very complex receptors, including those in the retina of the ________, which collects all the input necessary for sight.
a)
eye
b)
arem
c)
leg
d)
foot
13.
The CNS ________ impulses from the entire body, processes the information, and responds with the appropriate action.
a)
sends
b)
nullifies
c)
receives
d)
intensifies
14.
The ________ is the largest mass of nervous tissue in the body, weighing over half a pound in males and slightly less in females.
a)
stomach
b)
leg
c)
brain
d)
heart
15.
The cerebrum, which develops from the ________ portion of the forebrain, is the largest part of the mature brain.
a)
front
b)
back
c)
side
d)
middle
16.
The cerebrum consists of ________ large masses, called "cerebral hemispheres," which are almost mirror images of each other.
a)
2
b)
3
c)
4
d)
5
17.
With normal aging, the number of nerve cells in the brain:
a)
increases
b)
stays the same
c)
varies
d)
decreases
18.
From age 20 or 30 to age 90, brain weight declines about ________ percent, and the area of the cerebral ventricles relative to the entire brain may increase three to four times.
a)
5
b)
10
c)
15
d)
20
19.
In individuals who do not have neurologic disease, intellectual performance tends to be maintained until at least age:
a)
60
b)
70
c)
80
d)
90
20.
Verbal skills are well maintained until age ________, after which some healthy elderly persons gradually develop reductions in vocabulary, tendencies to make semantic errors, and abnormal pronunciation.
a)
60
b)
70
c)
80
d)
90
21.
The development of the child’s nervous system begins at about ________ weeks.
a)
2
b)
4
c)
6
d)
8
22.
It is the responsibility of medical ________ to be courteous and professional, because they provide neurologic patients care and understanding.
a)
doctors
b)
nurses
c)
patients
d)
assistants
23.
The hindbrain makes up the lower portion of the brainstem and consists of ________ units.
a)
3
b)
4
c)
5
d)
6
24.
Patients taking medications for neurologic disorders may need to be taught that their medications are possibly prescribed:
a)
for life
b)
temporarily
c)
by law
d)
ilegally
25.
Neurologic disorders must be recognized and ________ the appropriate professionals in a timely manner to prevent long-lasting disabilities.
a)
hidden from
b)
buried from
c)
kept from
d)
reported to
26.
Brain cells can die when their ________ supply is interrupted for more than a few minutes
a)
carbon dioxide
b)
oxygen
c)
carbon monoxide
d)
helium
27.
A stroke, known in medicine as a cerebrovascular accident (CVA), is the ________ leading cause of death in the United States.
a)
1st
b)
2nd
c)
3rd
d)
4th
28.
Spina bifida is the most frequently occurring, permanently disabling, and devastating of all birth defects. It affects approximately one out of every ________ newborns in the United States.
a)
100
b)
1,000
c)
10,000
d)
100,000
29.
Sciatica usually occurs on ________ of the body.
a)
both sides
b)
one side
c)
the left side
d)
the right side
30.
Paraplegia refers to paralysis from approximately from the ________ down.
a)
shoulders
b)
waist
c)
neck
d)
knees
31.
Who is least likely to suffer from cluster headaches?
a)
individuals who smoke
b)
individuals who drink alcohol excessively
c)
females
d)
males
32.
Which of the following is NOT a type of headache?
a)
migraine
b)
tension
c)
cluster
d)
pretraumatic
33.
Encephalitis is an inflammation of the:
a)
brain
b)
liver
c)
stomach
d)
eye
34.
The ________ system is responsible for providing the responses and energy needed to cope with stressful situations, such as fear or extremes of physical activity.
a)
sympathetic
b)
parasympathetic
c)
quadsympathetic
d)
trisympathetic
35.
There are ________ pairs of cervical nerves.
a)
2
b)
4
c)
6
d)
8
36.
There are ________ pairs of lumbar nerves.
a)
3
b)
5
c)
7
d)
9
37.
Which of the following is NOT one of the neurotransmitters in cerebrospinal fluid?
a)
monoamines
b)
acetylcholine
c)
neuropeptides
d)
biamines
38.
The spinal cord has a(n) ________-shaped central portion of gray matter surrounded by white matter.
a)
H
b)
K
c)
T
d)
V
39.
The hypothalamus is important for regulating all of the following EXCEPT:
a)
hormones
b)
hair growth
c)
hunger
d)
thirst
40.
The outermost layer surrounding the cerebrum is called the cerebral cortex. Composed of gray matter and containing neuron cell bodies and dendrites, the cortex contains nearly ________ percent of all neurons in the nervous system.
a)
25
b)
50
c)
75
d)
90
41.
Which of the following is NOT one of the four lobes in the cerebrum?
a)
permanent
b)
temporal
c)
occipital
d)
frontal
42.
Quadriplegia refers to paralysis from approximately the ________ down.
a)
shoulders
b)
waist
c)
neck
d)
knees
43.
When fully developed, the brain fills the cranial cavity and is enclosed by three membranes, or:
a)
trimeninges
b)
meninges
c)
bimeninges
d)
dimeninges
44.
Unmyelinated sheaths are wrapped in ________.
a)
neurilemma
b)
myelin
c)
neurilemma and myelin
d)
cardiac tissue
45.
Nerve fibers that are housed within the same nerve tract share all of the following things in common EXCEPT:
a)
origin
b)
hemisphere
c)
function
d)
termination
46.
All of the following is a membrane of the brain EXCEPT:
a)
pia mater
b)
derma mater
c)
arachnoid mater
d)
dura mater
47.
The white matter is made of ________.
a)
unsheathed cells
b)
true cells
c)
myelinated nerve fibers
d)
plasma
48.
Testing a child’s nervous system development includes all of the following EXCEPT:
a)
reflexes
b)
motor function
c)
balance
d)
growth rate
49.
The largest portion of a mature brain is the ________.
a)
cerebrum
b)
brain stem
c)
cerebellum
d)
pons
50.
What is the name of the structure that connects the two hemispheres of the cerebrum?
a)
gyri
b)
fissure
c)
sulcus
d)
corpus callosum
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