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NR507 EXAM QUESTIONS AND VERIFIED ANSWERS

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NR507 EXAM QUESTIONS AND VERIFIED ANSWERS NR507 EXAM QUESTIONS AND VERIFIED ANSWERS NR507 EXAM QUESTIONS AND VERIFIED ANSWERS

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Neurodegenerative disorders Genetic predisposition and aging are well-known risk factors for
are primarily characterized by neurodegenerative disorders. As individuals age, the risk of
the progressive degeneration of diseases like Alzheimer's and Parkinson's increases. Exposure to
the structures and functions of environmental toxins has been linked to an increased risk of
the brain (not the peripheral neurodegenerative diseases. History of traumatic brain injuries is
nervous system), especially also considered a risk factor, particularly for conditions such as
neurons. This process is usually Alzheimer's disease.​
gradual and worsens over time High levels of physical activity in early adulthood can reduce the
(not rapidly), leading to risk of neurodegenerative diseases.
irreversible (not reversible)
symptoms, including memory
loss, impaired judgment, and
motor dysfunction.

Parkinson's disease is caused by AD is more commonly diagnosed in individuals aged over 65,
the progressive loss of making advanced age a significant risk factor. A family history of
dopamine-producing neurons in AD can increase an individual's risk due to genetic factors.
the substantia nigra. This loss Among the clinical manifestations of AD, difficulty in
leads to the primary symptoms remembering newly learned information is often one of the
of Parkinson's, such as tremors, earliest symptoms. As the disease progresses, affected
rigidity, bradykinesia (slowness individuals may face challenges in planning or solving problems.
of movement), and postural Frequent and unexplained mood changes are also observed in
instability. ​ many cases, reflecting the impact of AD on emotional regulation
Although the other options are and mental health. ​
neurodegenerative diseases, Increased social engagement is protective against AD. Improved
they exhibit different or unchanged short-term memory is typically not characteristic
pathophysiological of AD, as the disease usually leads to a decline in short-term
characteristics. memory capabilities.

,Neuroimaging can be used to A resting tremor, bradykinesia, muscle rigidity, and postural
reveal brain atrophy in instability are all common signs and symptoms of Parkinson's
Alzheimer's disease or to rule disease (PD).​
out other causes of dementia. Increased dopamine levels and hyperreflexia are not typical
The Mini-Mental Status signs or symptoms of (PD).
Examination (MMSE) can be
used to assess cognitive
function and the severity of
dementia. Genetic testing can
be used to identify genetic
mutations that may lead to early
Alzheimer's disease. Blood tests
can be used to test for other
causes of dementia. Medication
review is important to identify
substances that can cause
symptoms of dementia.​

Levodopa is a medication used Alzheimer’s disease: Progressive memory loss, especially recent
to manage the motor symptoms memory​, Difficulty with complex tasks and planning​
of PD. A positive response to a Changes in mood and behavior
test dose of levodopa is a Parkinson’s disease: Asymmetric resting tremor​
noticeable improvement in Bradykinesia, Muscle rigidity
motor symptoms, which Amyotrophic Lateral Sclerosis (ALS): Gradual muscle weakness
validates a diagnosis of PD.​ and wasting​, Difficulty speaking and swallowing​
Although it is important to Respiratory muscle weakness
monitor for side effects, allergic
reactions, and changes in
cognitive function, the primary
purpose of the test dose is to
assess its impact on motor
symptoms.

Shuffling gait, resting tremor, Cognitive impairment, sleep disturbances, constipation, and
and muscle rigidity are classic depression are all common non-motor symptoms of PD. ​
symptoms associated with PD, a Increased ability to smell is not a non-motor symptom of PD.
common neurodegenerative
disorder impacting motor
function. ​
Intermittent claudication is more
commonly associated with
peripheral arterial disease. Early
cognitive decline is more
common in Alzheimer's or
Huntington's disease, both of
which are cognitive
neurodegenerative disorders.
Muscle weakness and atrophy
are more indicative of
Amyotrophic Lateral Sclerosis
(ALS).

, Prodromal5-15 years preceding Bradykinesia: Regular exercise can improve overall muscle
diagnosis: Constipation strength and flexibility, enhance coordination, and improve
Hyposmia (loss of smell) endurance, making daily activities easier to perform.​
Sleep disorder Muscle rigidity: Muscle relaxants can help alleviate stiffness and
Depression rigidity by reducing muscle tension, improving mobility, and
Clinical Onset1 to 5 years: decreasing discomfort, thereby enhancing the quality of life.​
Tremors Tremors: Using a device like a weighted utensil can increase
Rigidity independence and help reduce the impact of tremors when
Bradykinesia (muscle rigidity) eating.​
Late stage5 to 15 years: Poor Postural instability: Balance and strength training exercises
balance improve core strength, balance, and coordination, which are key
Difficulty walking to reducing the risk of falls and maintaining independence.​
Cognitive decline Dysphagia (difficulty swallowing): As swallowing becomes more
Chair/Bed-bound challenging, a diet consisting of soft-textured foods that are
Dementia/Psychosis easier to swallow can reduce the risk of choking and aspiration.
Postural instability

Dopaminergic medications A reduction in tremor intensity and the ability to perform
should always be prescribed as activities of daily living are improvements in symptoms.
recommended by a neurologist. Freezing gait is not an improvement in symptoms.
Assistive devices are important
to improve safety and reduce
falls. Thickened liquids are
recommended for someone
with advanced PD due to
symptoms of dysphagia. ​
A client with advanced PD
should always ambulate with
assistance. Interprofessional
collaboration is extremely
important in degenerative
diseases because of the need
for a specialist's input.
Consultation should be ordered
and reviewed before starting a
new medication regimen.

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