NR 547 WEEK 6 2026 QUIZ QUESTIONS AND
ANSWERS (VERIFIED) 100% CORRECT
RATED A+
A patient experiencing significant shifts in alertness and
confusion within the same day, often worsening at night, is
most likely experiencing:
a) Major Neurocognitive Disorder due to Alzheimer's
b) Mild Cognitive Impairment
c) Delirium
d) Major Depressive Disorder
Answer: c) Delirium Rationale: Significant fluctuations in
symptoms, often with worsening at night, are hallmark features of
delirium. Dementia symptoms are relatively stable, though they
may worsen slowly over time.
Which of the following is a common cause of delirium?
a) Long-standing Alzheimer's disease
b) Untreated hypothyroidism
c) Chronic alcohol abuse
d) Severe sleep deprivation
Answer: d) Severe sleep deprivation Rationale: Delirium is
usually triggered by acute medical conditions or external factors,
including severe pain, infections, medication side effects, and
,sleep deprivation. While chronic conditions can increase
susceptibility, acute triggers are characteristic of delirium.
When delirium and dementia coexist in a patient, it is often
referred to as:
a) Concurrent cognitive decline
b) Delirium superimposed on dementia
c) Mixed neurocognitive disorder
d) Dual diagnosis of cognitive impairment
Answer: b) Delirium superimposed on
dementia Rationale: Individuals with underlying dementia are at a
significantly higher risk of developing delirium, and this co-
occurrence is specifically termed "delirium superimposed on
dementia."
Which of the following cognitive domains
is primarily affected in dementia?
a) Attention
b) Awareness
c) Memory and other cognitive functions (e.g., language,
judgment)
d) Level of consciousness
Answer: c) Memory and other cognitive functions (e.g., language,
judgment) Rationale: While attention can be affected, the primary
impairment in dementia is in memory and other higher cognitive
functions, interfering with daily activities. In delirium, attention is
the primary deficit.
,The Confusion Assessment Method (CAM) is primarily used
for the diagnosis of:
a) Alzheimer's disease
b) Parkinson's disease dementia
c) Delirium
d) Major Depressive Disorder
Answer: c) Delirium Rationale: The CAM is a widely used
screening tool specifically designed to help diagnose delirium by
evaluating its key features.
A patient presenting with "difficulty with memory and
thinking" and "agitation or other behavioral changes" could
potentially have:
a) Delirium
b) Dementia
c) Both delirium and dementia
d) Neither, these are not typical symptoms
Answer: c) Both delirium and dementia Rationale: Confusion,
disorientation, memory and thinking difficulties, and behavioral
changes can be present in both delirium and dementia. It's the
onset, duration, and primary impairment that differentiate them.
According to the DSM-5, a core criterion for a Major
Neurocognitive Disorder is evidence of significant cognitive
decline from a previous level of performance in one or more
cognitive domains, which:
a) Primarily affects attention and awareness.
, b) Interferes with independence in everyday activities.
c) Is always reversible with appropriate treatment.
d) Has a sudden and acute onset.
Answer: b) Interferes with independence in everyday
activities. Rationale: The DSM-5 criteria for Major NCD specify
that the cognitive deficits are sufficient to interfere with
independence in everyday activities, distinguishing it from Mild
NCD where independence is preserved.
In contrast to Major Neurocognitive Disorder, Mild
Neurocognitive Disorder is characterized by cognitive
deficits that:
a) Do not interfere with independence in everyday activities.
b) Require full-time care.
c) Are caused by an acute medical condition.
d) Are always accompanied by psychotic features.
Answer: a) Do not interfere with independence in everyday
activities. Rationale: The defining difference between Mild and
Major NCD in the DSM-5 is the impact on independence in
everyday activities. In Mild NCD, these activities are preserved.
Which of the following is a hallmark feature
of Neurocognitive Disorder with Lewy Bodies?
a) Early and prominent memory impairment.
b) Significant behavioral disturbances like impulsivity.
c) Vivid visual hallucinations and fluctuating cognition.
d) Step-wise decline in cognitive function.
ANSWERS (VERIFIED) 100% CORRECT
RATED A+
A patient experiencing significant shifts in alertness and
confusion within the same day, often worsening at night, is
most likely experiencing:
a) Major Neurocognitive Disorder due to Alzheimer's
b) Mild Cognitive Impairment
c) Delirium
d) Major Depressive Disorder
Answer: c) Delirium Rationale: Significant fluctuations in
symptoms, often with worsening at night, are hallmark features of
delirium. Dementia symptoms are relatively stable, though they
may worsen slowly over time.
Which of the following is a common cause of delirium?
a) Long-standing Alzheimer's disease
b) Untreated hypothyroidism
c) Chronic alcohol abuse
d) Severe sleep deprivation
Answer: d) Severe sleep deprivation Rationale: Delirium is
usually triggered by acute medical conditions or external factors,
including severe pain, infections, medication side effects, and
,sleep deprivation. While chronic conditions can increase
susceptibility, acute triggers are characteristic of delirium.
When delirium and dementia coexist in a patient, it is often
referred to as:
a) Concurrent cognitive decline
b) Delirium superimposed on dementia
c) Mixed neurocognitive disorder
d) Dual diagnosis of cognitive impairment
Answer: b) Delirium superimposed on
dementia Rationale: Individuals with underlying dementia are at a
significantly higher risk of developing delirium, and this co-
occurrence is specifically termed "delirium superimposed on
dementia."
Which of the following cognitive domains
is primarily affected in dementia?
a) Attention
b) Awareness
c) Memory and other cognitive functions (e.g., language,
judgment)
d) Level of consciousness
Answer: c) Memory and other cognitive functions (e.g., language,
judgment) Rationale: While attention can be affected, the primary
impairment in dementia is in memory and other higher cognitive
functions, interfering with daily activities. In delirium, attention is
the primary deficit.
,The Confusion Assessment Method (CAM) is primarily used
for the diagnosis of:
a) Alzheimer's disease
b) Parkinson's disease dementia
c) Delirium
d) Major Depressive Disorder
Answer: c) Delirium Rationale: The CAM is a widely used
screening tool specifically designed to help diagnose delirium by
evaluating its key features.
A patient presenting with "difficulty with memory and
thinking" and "agitation or other behavioral changes" could
potentially have:
a) Delirium
b) Dementia
c) Both delirium and dementia
d) Neither, these are not typical symptoms
Answer: c) Both delirium and dementia Rationale: Confusion,
disorientation, memory and thinking difficulties, and behavioral
changes can be present in both delirium and dementia. It's the
onset, duration, and primary impairment that differentiate them.
According to the DSM-5, a core criterion for a Major
Neurocognitive Disorder is evidence of significant cognitive
decline from a previous level of performance in one or more
cognitive domains, which:
a) Primarily affects attention and awareness.
, b) Interferes with independence in everyday activities.
c) Is always reversible with appropriate treatment.
d) Has a sudden and acute onset.
Answer: b) Interferes with independence in everyday
activities. Rationale: The DSM-5 criteria for Major NCD specify
that the cognitive deficits are sufficient to interfere with
independence in everyday activities, distinguishing it from Mild
NCD where independence is preserved.
In contrast to Major Neurocognitive Disorder, Mild
Neurocognitive Disorder is characterized by cognitive
deficits that:
a) Do not interfere with independence in everyday activities.
b) Require full-time care.
c) Are caused by an acute medical condition.
d) Are always accompanied by psychotic features.
Answer: a) Do not interfere with independence in everyday
activities. Rationale: The defining difference between Mild and
Major NCD in the DSM-5 is the impact on independence in
everyday activities. In Mild NCD, these activities are preserved.
Which of the following is a hallmark feature
of Neurocognitive Disorder with Lewy Bodies?
a) Early and prominent memory impairment.
b) Significant behavioral disturbances like impulsivity.
c) Vivid visual hallucinations and fluctuating cognition.
d) Step-wise decline in cognitive function.
