AP Psychology : Defining and Diagnosing Disorders

Study concepts, example questions & explanations for AP Psychology

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Example Questions

Example Question #31 : Defining And Diagnosing Disorders

What percentage of Alzheimer's cases are considered early-onset?

Possible Answers:

Correct answer:

Explanation:

Estimates vary, but early-onset cases make up somewhere between four to six percent of all cases. In the past, early-onset was considered the same disease as Alzheimer's because of the symptomatic similarities. However, scientists now believe Alzheimer's disease encompasses more than one distinct disease.

Example Question #43 : Theories Of Abnormal Psychology

What age of Alzheimer's diagnosis is considered to be early onset?

Possible Answers:

None of these

Correct answer:

Explanation:

The lines are rather blurry, but cases are considered early onset Alzheimer's when diagnosis occurs in the 40s or 50s. Along with the age of onset, early-onset diagnosis is based on symptomatic criteria. Unfortunately, the only way to determine the exact class of dementia, an autopsy is required to examine brain tissue.

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