Font size
WorksheetsAphasia SG part 1: neuro stuff
Total questions: 45
Worksheet time: 34mins
Which of the following is part of the CNS?
cranial nerves
spinal cord
spinal nerves
vertebrae
which part of the neuron extends from the end of the axon and release neurotransmitters into synapses?
dendrites
nodes of ranvier
axon terminals
nucleotides
The Nodes of Ranvier aid in____
separation of lobes of the brain
forming new connections between neurons
creating cerebrospinal fluid
speed of message conduction in neurons
which part of the neuron carries info to the soma?
dendrites
myelin sheath
cell body
axon terminal
which part of the axon contains the majority of the myelin sheath?
the soma
the hillock
the proper
the terminals
What does NOT directly influence the speed of message conduction through the neuron?
diameter of the neuron
level of myellination
length of the neuron
location of the neuron
What types of cells have a myelin sheath?
glial cells
Schwann cells
neurons
peripheral nerves
Which of the following are types of white matter fibers?
projection, association, commissural
afferent, efferent, and interneurons
astrocytes, ependymal, oligodendrocytes
munios, protegos, and lateralis
What types of disorders are these: multiple sclerosis, transverse myelitis, Guillain-Barre Syndrome
sensorimotor disease
neurodegenerative diseases
demyelinating disorders
autoimmune neurological diseases
A coronal slice of the brain would split the brain into:
left and right
front and back
top and bottom
separate lobes
what does a transverse/horizontal cut split the brain into?
equal left and right
top and bottom
unequal left and right
front and back
a sagittal cut separates the brain into...
equal left and right
top and bottom
unequal left and right
front and back
a midsagittal slice cuts the brain into...
equal left and right
front and back
top and bottom
unequal left and right
what view of the brain is looking from the top down perspective?
dorsal
ventral
lateral
medial
what view of the brain is looking from the bottom up perspective
ventral
dorsal
lateral
medial
which of the following views the brain from the right or left side?
dorsal
medial
lateral
ventral
which of the following views the brain from the middle?
lateral
medial
dorsal
ventral
difference between anterior and posterior
anterior means front, posterior means back
anterior means left, posterior means right
anterior means back, posterior means front
anterior means right, posterior means left
difference between superior and inferior
superior means inside, inferior means outside
superior means top, inferior means bottom
superior means outside, inferior means inside
superior means bottom, inferior means top
difference between proximal and distal
proximal means far from something, distal means close to something
proximal means up, distal means down
proximal means down, distal means up
proximal means close to something, distal means far from something
which of the following happens to our nerve impulses without myelin?
they are speed up
they are slowed down or even stopped
they are unchanged
they are more intense
which of the following neuroglia is not found in the CNS?
oligodendrocytes
astrocytes
Schwann cells
microglia
what cell makes myelin for the CNS?
microglia
Schwann cells
satellite cells
oligodendrocytes
what cell makes myelin for the PNS?
satellite cells
Schwaann cells
oligodendrocytes
astrocytes
what does the choroid plexus do?
produces myelin
produces cerebrospinal fluid
protects the brain from other toxins/blood
connects the left and right hemispheres of the brain
what type of glial cells line the chrooid plexus?
astrocytes
ependymal cells
oligodendrocytes
Schwann cells
what is the purpose of cerebrospinal fluid?
cycles nutrients through the nervous system, acts as a cushion
oxygenates the blood, delivers deoxygenated blood to the heart
myelinates neurons
contributes to our vestibular sense(balance)
what isthe term for excess fluid in the brain?
intracranial hypotension
hydrocephalus
sclerocephalus
neuropathy
the cerebrospinal fluid flows through the _____
lobes(frontal, parietal, temporal, occipital)
ventricles(two laterals, third, and fourth)
blood-brain barrier
blood
afferent versus efferent neurons:
afferent: sensory
efferent: motor
afferent: motor
efferent: sensory
afferent: CNS
efferent: PNS
afferent: PNS
efferent: CNS
which of the following does not describe the blood brain barrier?
it is composed of astrocytes and endothelial cells
prevents harmful toxins from interacting with brain tissue
is composed partly by cerebrospinal fluid
it is susceptible to injury
what makes up the layers of the meninges?
mater, submater, cranial
lateral layers, third layer, fourth layer
gray mater and white mater
dura mater, pia mater, arachnoid
what separates the frontal and parietal lobes? (hint: it is between primary motor cortex and primary sensory cortex)
medial longitudinal fissure
cingulate gyrus
central sulcus
sensorimotor sulcus
what type of fibers make up the corpus callosum?
commissural
interior
projection
association
if there is nerve damage above the level of the brain stem, where will you likely see symptoms on the body?
bilaterally
ipsilateral to the damage
contralateral to the damage
SELECT ALL THAT APPLY(3): examples of gray matter
cell bodies
myelinated axons
dendrites
synapses
SELECT ALL THAT APPLY(2): which protective structures are exclusively in the CNS and not the PNS
meninges
blood brain barrier
myelin
cerebrospinal fluid
SELECT ALL THAT APPLY(3): what does the circle of willis connect, in order to allow blood flow even in the event of damage?
Anterior Cerebral Artery(ACA)
Middle Cerebral Artery(MCA)
Posterior Cerebral Artery
Inferior Cerebral Artiery(ICA)
SELECT ALL THAT APPLY(2) the lateral sulcus(aka sylvian fissure) separates these lobes...
occipital
frontal
temporal
parietal
SELECT ALL THAT APPLY(2) the two main arterial systems that provide blood to a) the face and brain, and b) posterior parts of the brain stem, cerebellum and spinal cord respectively.
basilar arteries
posterior cerebral arteries
carotid arteries
vertebral artieries
T/F: The primary motor cortex is also referred to as the precentral gyrus
true
false
T/F: the Pia Mater is the thickest layer of the meninges
true
false
T/F: the Middle Cerebral Artery(MCA) is the largest branch of the internal carotid artery
true
false
T/F: neoplasms generally only originate in the brain
true
false
T/F: thrombosis and embolism are examples of hemorrhagic strokes
true
false
