Question

What does a raw score of zero on a subtest indicate?

a. Perfect performance.
b. The test was too difficult.
c. The test was not completed.
d. The individual did not answer any questions correctly.

Answer 1

A raw score of zero on a subtest indicates the individual did not answer any questions correctly. For the mental status exam, an inability to repeat numbers despite otherwise normal performance could suggest a specific cognitive or neurological issue in memory or attention.

Step-by-step explanation:

A raw score of zero on a subtest typically indicates that the individual did not answer any questions correctly. This could be due to a variety of factors including the test being too challenging, misunderstanding the questions, or lack of knowledge on the topic. It does not mean that the test was not completed or that the performance was perfect, hence the correct answer for the first part is d. the individual did not answer any questions correctly.

Regarding the mental status exam subtests, if a patient is performing within expected norms on most parts but cannot repeat a string of numbers, a likely explanation is a specific deficit in working memory or attention. It may reflect a neurological or cognitive impairment in that particular aspect of mental functioning, which warrants further evaluation.