CNRN : ABNN Certified Neuroscience Registered Nurse Exam

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ABNN Certified Neuroscience Registered Nurse
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Question: 1
Which of the following vascular anomalies is characterized by an abnormal connection between arteries and veins in the brain?
1. Aneurysm
2. Arteriovenous fistula
arotid stenosis
wer: C
anation: An arteriovenous malformation (AVM) is characterized by a rmal connection between arteries and veins in the brain. In an AVM, mal capillary network is absent, resulting in a direct shunting of blood f ies to veins. This abnormal connection can lead to a variety of neurolo
ptoms depending on the location and size of the AVM.
stion: 2
ch of the following conditions is characterized by the sudden rupture o vessel in the brain, leading to bleeding into the surrounding tissues?
chemic stroke ubarachnoid hemorrhage
Arteriovenous malformation (AVM)
3. C
Ans
Expl n
abno the
nor rom
arter gical
sym
Que
Whi f a
blood
1. Is
2. S
3. Intracerebral hemorrhage
4. Transient ischemic attack (TIA) Answer: B
Explanation: A subarachnoid hemorrhage is characterized by the sudden rupture of a blood vessel in the brain, leading to bleeding into the subarachnoid
space surrounding the brain. This type of hemorrhage is commonly caused by the rupture of an intracranial aneurysm. Subarachnoid hemorrhage presents with symptoms such as a sudden and severe headache, neck stiffness, and altered level of consciousness.
Question: 3
ptoms that resemble a stroke but resolve completely within 24 hours?
ransient ischemic attack (TIA) chemic stroke
emorrhagic stroke acunar stroke
wer: A
anation: A transient ischemic attack (TIA) is characterized by tempor ological symptoms that resemble a stroke but resolve completely withi
s. A TIA is often referred to as a "mini-stroke" and is caused by a orary interruption of blood flow to a specific part of the brain. While ptoms of a TIA are transient, it is considered a warning sign of an nding ischemic stroke and should be taken seriously.
stion: 4
Which of the following conditions is characterized by temporary neurological sym
1. T
2. Is
3. H
4. L
Ans
Expl ary
neur n 24
hour
temp the
sym impe
Que
Which of the following conditions is characterized by demyelination of the central nervous system?
1. Amyotrophic Lateral Sclerosis (ALS)
2. Guillain-Barré Syndrome (GBS)
3. Myasthenia Gravis
4. Multiple Sclerosis (MS) Answer: D
ting in a wide range of symptoms depending on the location and exte emyelination.
otrophic Lateral Sclerosis (ALS) is a neurodegenerative disease that arily affects motor neurons in the brain and spinal cord, but it is not acterized by demyelination.
sthenia Gravis is an autoimmune disorder that affects the neuromuscul ion, causing muscle weakness and fatigue. It does not involve yelination of thecentral nervous system.
ain-Barré Syndrome (GBS) is an acute inflammatory demyelinatin neuropathy that primarily affects the peripheral nervous system, not th al nervous system.
stion: 5
ch of the following is a characteristic feature of an intracerebral orrhage?
Explanation: Multiple Sclerosis (MS) is characterized by demyelination of the central nervous system. MS is an autoimmune disease in which the immune system mistakenly attacks the protective myelin sheath that covers nerve fibers in the central nervous system. This leads to disruption of nerve signals,
resul nt of
the d Amy prim char
Mya ar
junct dem
Guill g
poly e
centr
Que
Whi hem
1. Sudden onset of severe headache
2. Thunderclap headache
3. Focal neurological deficits
4. Gradual onset of confusion and memory loss
Answer: C
Explanation: A characteristic feature of an intracerebral hemorrhage is the presence of focal neurological deficits. Intracerebral hemorrhage refers to bleeding within the brain tissue, which can cause localized damage to specific regions of the brain. The bleeding results in the compression and injury of surrounding brain structures, leading to focal neurological deficits such as weakness, sensory loss, or speech difficulties.
ch of the following terms is used to describe the transformation of an mic stroke into a hemorrhagic stroke?
chemic conversion therosclerotic plaque rupture hromboembolic event emorrhagic transformation
wer: D
anation: The term used to describe the transformation of an ischemic e into a hemorrhagic stroke is hemorrhagic transformation. Hemorrha formation occurs when the area of ischemic brain tissue becomes dam tarts bleeding. This transformation can be caused by various factors, ding reperfusion injury, disruption of the blood-brain barrier, or kdown of ischemic tissue.
Question: 6
Whi ische
1. Is
2. A
3. T
4. H
Ans Expl
strok gic
trans aged
and s inclu brea
Question: 7
Which of the following is a characteristic feature of Bell's Palsy?
1. Gradual onset of symptoms over weeks to months
2. Absence of taste sensation on the affected side of the tongue
3. Bilateral facial weakness and paralysis
4. Involuntary muscle contractions and spasms Answer: B
pression of the facial nerve (cranial nerve VII). In addition to facial kness, individuals with Bell's Palsy may experience loss of taste sensat e anterior two-thirds of the tongue on the affected side.
ual onset of symptoms over weeks to months is not typical for Bell's y, as it is usually a sudden onset condition.
luntary muscle contractions and spasms are not characteristic of Bell's
y. Instead, it is characterized by weakness or paralysis of facial muscle Palsy typically affects only one side of the face (unilateral involvem ilateral facial weakness and paralysis are not characteristic of this ition.
stion: 8
ch of the following conditions is characterized by a chronic progressiv odegenerative disease that affects the motor neurons in the brain and s
Explanation: A characteristic feature of Bell's Palsy is the absence of taste sensation on the affected side of the tongue. Bell's Palsy is a condition characterized by sudden, unilateral facial paralysis or weakness, typically affecting the muscles on one side of the face. It is caused by inflammation or com
wea ion
on th Grad Pals Invo
Pals s.
Bell's ent),
and b cond
Que
Whi e
neur pinal
cord?
1. Guillain-Barré syndrome
2. Bell's palsy
3. Demyelinating polyneuropathy
4. Amyotrophic lateral sclerosis Answer: D
Explanation: Amyotrophic lateral sclerosis (ALS), also known as Lou Gehrig's disease, is characterized by a chronic progressive neurodegenerative process that primarily affects the motor neurons in the brain and spinal cord. This leads to muscle weakness, paralysis, and ultimately respiratory failure.
Question: 9
ch of the following conditions is characterized by the formation of blo within the cerebral venous sinuses?
mbolic stroke chemic stroke hrombotic stroke
erebral venous sinus thrombosis wer: D
anation: Cerebral venous sinus thrombosis is characterized by the ation of blood clots within the cerebral venous sinuses, which are onsible for draining deoxygenated blood from the brain. The formatio
clots within these sinuses can impede proper blood drainage, leadin ty of neurological symptoms.
stion: 10
Whi od
clots
1. E
2. Is
3. T
4. C
Ans Expl
form
resp n of
blood g to a
varie
Que
Which of the following conditions is characterized by bleeding into the ventricles of the brain?
1. Ischemic stroke
2. Intraventricular hemorrhage
3. Subarachnoid hemorrhage
4. Intracerebral hemorrhage
Answer: B
ological complications.
stion: 11
ch of the following conditions is characterized by the inflammation of nges, the protective membranes surrounding the brain and spinal cord
myotrophic Lateral Sclerosis (ALS) yasthenia Gravis
ultiple Sclerosis (MS) eningitis
wer: D
anation: Meningitis is characterized by the inflammation of the menin rotective membranes surrounding the brain and spinal cord. Meningiti e caused by various infectious agents, such as bacteria, viruses, or fu ead to symptoms such as severe headache, fever, neck stiffness, and
Explanation: Intraventricular hemorrhage is characterized by bleeding into the ventricles of the brain. It often occurs in conjunction with other types of brain hemorrhages, such as intracerebral hemorrhage or subarachnoid hemorrhage. The bleeding into the ventricles can disrupt the normal flow and absorption of cerebrospinal fluid, leading to increased intracranial pressure and potential neur
Que
Whi the
meni ?
1. A
2. M
3. M
4. M
Ans
Expl ges,
the p s
can b ngi. It
can l
altered mental status.
Amyotrophic Lateral Sclerosis (ALS) is a neurodegenerative disease that primarily affects motor neurons in the brain and spinal cord, but it does not involve inflammation of the meninges.
Multiple Sclerosis (MS) is an autoimmune disease characterized by demyelination of the central nervous system, but it does not specifically involve inflammation of the meninges.
Myasthenia Gravis is an autoimmune disorder that affects the neuromuscular junction, causing muscle weakness and fatigue. It does not involve inflammation of the meninges.
Question: 12
Which of the following is a common symptom of Moya Moya disease?
emory loss and cognitive impairment uscle weakness and paralysis
isual disturbances eizures
wer: D
anation: A common symptom of Moya Moya disease is seizures. Moy disease is a rare, progressive cerebrovascular disorder characterized arrowing and occlusion of the internal carotid arteries, leading to the
ation of fragile blood vessels called "moya moya" vessels as a pensatory mechanism. Seizures can occur as a result of the altered blo and decreased oxygen supply to the brain.
e muscle weakness and paralysis can occur in Moya Moya disease, res are a more common and distinctive symptom.
al disturbances, such as blurred vision or visual field defects, can occu mpromised blood flow in Moya Moya disease.
mory loss and cognitive impairment may be present in some cases of M
M
M
V
S
Ans
Expl a
Moya by
the n form
com od
flow Whil seizu
Visu r due
to co
Me oya
Moya disease, but they are not as common or specific as seizures.
Question: 13
Which of the following is a characteristic feature of an arteriovenous malformation (AVM)?
1. Slowly progressive symptoms over months to years
2. Frequent occurrence in the elderly population
3. Focal neurological deficits corresponding to a specific vascular territory
4. Presence of microhemorrhages on neuroimaging
anation: A characteristic feature of an arteriovenous malformation (A presence of focal neurological deficits corresponding to a specific ular territory. AVM is an abnormal tangle of blood vessels in the brai al cord, which disrupts the normal blood flow. As a result, blood can ss normal brain tissue and flow directly from arteries to veins, causin
neurological deficits that correspond to the affected area of the brain. ly progressive symptoms over months to years are more suggestive o nerative conditions rather than AVM.
Ms can occur in individuals of any age and are not limited to the elderl lation, so frequent occurrence in the elderly population is not a acteristic feature of AVM.
resence of microhemorrhages on neuroimaging is more commonly ciated with cerebral amyloid angiopathy and not specific to AVM.
stion: 14
Answer: C
Expl VM)
is the
vasc n or
spin
bypa g
focal
Slow f
dege
AV y
popu char The p asso
Que
Which of the following is the primary cause of an intracerebral hemorrhage?
1. Hypertension
2. Ischemic stroke
3. Cerebral venous sinus thrombosis
4. Rupture of an aneurysm
Answer: A
Explanation: The primary cause of an intracerebral hemorrhage is hypertension. Hypertension, or high blood pressure, can cause weakening and rupture of small blood vessels within the brain, leading to bleeding and the formation of a hematoma within the brain tissue.
emic stroke refers to a blockage of blood flow in a cerebral artery, lea sue damage due to lack of oxygen and nutrients. It is not the primary tracerebral hemorrhage.
bral venous sinus thrombosis is a condition characterized by the form ood clots in the cerebral veins and sinuses. While it can lead to orrhagic complications, it is not the primary cause of intracerebral orrhage.
stion: 15
tient presents with sudden onset weakness and numbness in the right a eg, along with difficulty speaking. The symptoms resolve completely n a few minutes. Which of the following is the MOST likely diagnosi
chemic stroke emorrhagic stroke
ransient ischemic attack (TIA)
Rupture of an aneurysm is a common cause of subarachnoid hemorrhage, not intracerebral hemorrhage.
Isch ding
to tis cause
of in
Cere ation
of bl hem hem
Que
A pa rm
and l
withi s?
1. Is
2. H
3. T
4. Migraine with aura
Answer: C
Explanation: The most likely diagnosis for a patient presenting with sudden onset weakness and numbness in the right arm and leg, along with difficulty
speaking that resolves completely within a few minutes, is a transient ischemic attack (TIA). A TIA is a temporary interruption of blood flow to a specific part of the brain, resulting in transient neurological symptoms. TIAs are often considered warning signs of an impending ischemic stroke and should be taken seriously.
Question: 16
ch of the following conditions is characterized by the abnormal feration of neuroepithelial tissue?
lzheimer's disease strocytoma yasthenia Gravis ell's Palsy
wer: B
anation: Astrocytoma is a condition characterized by the abnormal feration of neuroepithelial tissue. Astrocytomas are tumors that arise f cytes, a type of glial cell in the central nervous system. These tumors
in various locations in the brain and spinal cord and are classified ba eir grade (I-IV) and histological characteristics.
eimer's disease is a neurodegenerative disorder characterized by the ence of amyloid plaques and neurofibrillary tangles in the brain, but it
Whi proli
1. A
2. A
3. M
4. B
Ans Expl
proli rom
astro can
occur sed
on th Alzh
pres does
not involve the abnormal proliferation of neuroepithelial tissue.
Myasthenia Gravis is an autoimmune disorder that affects the neuromuscular junction, causing muscle weakness and fatigue. It is not characterized by the abnormal proliferation of neuroepithelial tissue.
Bell's Palsy is a condition characterized by sudden, unilateral facial paralysis or weakness, typically due to inflammation or compression of the facial nerve (cranial nerve VII). It does not involve the abnormal proliferation of
neuroepithelial tissue.

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