A Research Laboratory Develops a New Serologic Test for Detecting

question 32

Multiple Choice

A research laboratory develops a new serologic test for detecting prostate cancer.  The new assay is compared to transrectal ultrasound-guided prostate biopsy to determine sensitivity and specificity parameters.  It is found that the test result is negative in 95% of patients who do not have the disease.  If the new assay is used on 8 blood samples taken from patients without prostate cancer, what is the probability of all 8 test results coming back negative?

• A)0.05 × 8
• B)0.95 × 8
• C)0.05⁸
• D)0.95⁸
• E)1 − 0.05⁸
• F)1 − 0.95⁸

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Definitions:

Electronic Medical Record

A digital version of a patient's paper chart, allowing for easier access and management of a patient's medical history.

Diagnosis

The identification of the nature of an illness or other problem by examination of the symptoms and signs.

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An economic event with a third party that is recorded in an organization's accounting system.

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Documents and books that keep track of the financial operations and transactions of an entity or individual, serving as evidence of financial performance and position.