137. CCA Practice Quiz: Dementia – Signs, Symptoms, Progression, and Reversible and Irreversible Forms

Dementia questions often ask you to separate closely related terms and recognize differences between early signs and changes over time. This CCA practice quiz also looks at reversible and irreversible forms, everyday functioning, and Nova Scotia care responsibilities. Expect comparisons and short situations that ask you to choose the best response.

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#1. A client forgets a familiar word and substitutes an unusual expression. Which change is illustrated?

Correct answer: A. Difficulty retrieving and replacing words

Explanation: Dementia progression may involve forgetting words and substituting unusual words or names. This pattern reflects problems with word retrieval and expression.

Why B is wrong: It concerns event-related memory.
Why C is wrong: It concerns numerical understanding.
Why D is wrong: It concerns orientation to place.

#2. Which pair of changes indicates difficulty understanding temporal information?

Correct answer: A. Difficulty identifying the time and understanding the date

Explanation: Dementia progression can affect the ability to tell or understand both time and dates. These changes are specific to time orientation.

Why B is wrong: It concerns people and object recognition or naming.
Why C is wrong: It concerns conversation and instruction-related difficulties.
Why D is wrong: It concerns orientation to place.

#3. Which example demonstrates impaired handling of everyday household tasks during dementia progression?

Correct answer: D. Leaving a stove burner on or food burning unattended

Explanation: Dementia progression may impair the ability to manage ordinary household tasks, such as safely using a stove or iron. The problem involves completing and monitoring the activity.

Why A is wrong: It describes difficulty recalling a name.
Why B is wrong: It describes reduced interest rather than failure to manage the task.
Why C is wrong: It describes repeated questioning rather than the specified task-management failure.

#4. Which factors influence whether a brain tumour produces delirium or dementia symptoms?

Correct answer: A. Tumour location, size, and type

Explanation: The neurological effects of a brain tumour depend on its location, size, and type. These tumour characteristics help explain why different presentations can occur.

Why B is wrong: These are client characteristics rather than the identified tumour factors.
Why C is wrong: These may describe functioning but do not identify the relevant tumour characteristics.
Why D is wrong: Personal routines and preferences are not the stated determinants.

#5. Why might an infection remain unreported in a client experiencing disorientation?

Correct answer: C. The disorientation may be mistaken for irreversible dementia.

Explanation: An infection can go unreported when the client’s disorientation is assumed to be part of irreversible dementia. This mistaken interpretation may obscure a potentially treatable cause.

Why A is wrong: Communication difficulty may complicate understanding, but it is not the identified reason for missed infection reporting.
Why B is wrong: Medication-related confusion is not the specific misunderstanding described.
Why D is wrong: Social withdrawal does not explain the stated infection-related error.

#6. Which statement accurately describes the Nova Scotia CCA’s responsibility when observing changes during care?

Correct answer: D. CCAs observe changes during care without performing comprehensive nursing assessments.

Explanation: Nova Scotia CCAs make observations while providing care. Comprehensive nursing assessments are distinct from the CCA’s observation responsibilities.

Why A is wrong: It assigns independent nursing assessment conclusions to the CCA.
Why B is wrong: Noticing obvious changes does not authorize a comprehensive nursing assessment.
Why C is wrong: Detailed observation does not replace a comprehensive nursing assessment.

#7. Which metabolic condition can produce disorientation or dementia-like symptoms if untreated?

Correct answer: A. Low blood glucose

Explanation: Hypoglycemia means low blood sugar. If untreated, it can contribute to disorientation or dementia-like impairment.

Why B is wrong: Physical activity itself is not the metabolic condition identified.
Why C is wrong: Normal glucose regulation does not describe hypoglycemia.
Why D is wrong: Stable thyroid function does not describe low blood sugar.

#8. Which statement describes the expected course of most irreversible forms of dementia?

Correct answer: A. Cognitive decline continues despite the absence of a cure.

Explanation: Most dementia forms described as irreversible have no prevention or cure, and brain functioning declines over time. The effects extend beyond memory to other abilities.

Why B is wrong: Classification does not stop progressive decline.
Why C is wrong: Irreversible dementia does not generally permit restoration of lost functioning.
Why D is wrong: The eventual effects are broader than memory impairment.

#9. Which pair of difficulties involves remembering recent events and planned obligations?

Correct answer: C. Forgetting a recent event and a scheduled appointment

Explanation: Dementia progression may involve loss of memory for recent events and scheduled commitments. The other pairs concern names, language, or orientation.

Why A is wrong: It focuses on naming rather than events and appointments.
Why B is wrong: It focuses on word retrieval and expression.
Why D is wrong: It combines time and place orientation difficulties.

#10. Deficiencies in which group of vitamins can contribute to dementia-like mental impairment?

Correct answer: D. Vitamins B₁, B₃, and B₁₂

Explanation: Deficiencies involving vitamins B₁, B₃, or B₁₂ can contribute to mental impairment resembling dementia. Recognizing these named deficiencies helps distinguish a nutritional contributor from other causes.

Why A is wrong: It does not identify the specified vitamins.
Why B is wrong: It substitutes other vitamins for the named group.
Why C is wrong: It does not match the nutritional deficiencies identified.

#11. A client develops unfounded jealousy, suspiciousness, and socially unusual behaviour. Which early change is illustrated?

Correct answer: D. Changes in mood, behaviour, or personality

Explanation: Unfounded jealousy, suspiciousness, and changes in social behaviour can appear among the early warning signs of dementia. These examples relate to emotional and behavioural functioning.

Why A is wrong: Financial-management difficulties represent another area of impairment.
Why B is wrong: Difficulty understanding time or dates involves orientation.
Why C is wrong: Loss of learned movements concerns motor functioning.

#12. Which group identifies infections that may produce potentially reversible disorientation or delirium?

Correct answer: B. Urinary tract infections, infected wounds, and tuberculosis

Explanation: These infections can contribute to disorientation or delirium, which may improve when the infection is treated. The other choices describe different categories of causes associated with cognitive changes.

Why A is wrong: These are metabolic causes rather than infections.
Why C is wrong: These concern brain injury or structural conditions.
Why D is wrong: These concern toxic exposure or substance abuse.

#13. Which statement about regular cannabis use and brain functioning is supported?

Correct answer: C. Regular cannabis use is associated with changes in brain structure and function.

Explanation: Regular cannabis use has been associated with changes in brain structure and functioning. An association does not establish a uniform dementia outcome or prove that cannabis causes every observed change.

Why A is wrong: It makes an unsupported claim about predictable irreversible dementia.
Why B is wrong: It excludes structural changes from the stated association.
Why D is wrong: The supplied relationship does not establish identical effects for cannabis and alcohol.

#14. Which requirement governs how Nova Scotia CCAs document necessary care information?

Correct answer: A. The employer’s documentation policies

Explanation: Nova Scotia CCAs document required care information in accordance with their employer’s policies. Reporting directions in a care plan do not replace employer documentation requirements.

Why B is wrong: Client preferences do not establish the required documentation method.
Why C is wrong: Individual preference does not replace employer policy.
Why D is wrong: Supervisor-reporting directions and documentation policies address different responsibilities.

#15. Which pair of changes reflects problems retaining verbal instructions and spoken exchanges?

Correct answer: A. Forgetting simple directions and previous conversations

Explanation: Forgetting directions and conversations are both possible signs of dementia progression. These involve retaining instructions or spoken information rather than recalling names or producing language.

Why B is wrong: It describes difficulty recalling names.
Why C is wrong: It concerns organizing thoughts and finding words.
Why D is wrong: It concerns written communication.

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