Practice Quiz

CME Certified Federal Medical Examiner

Category - Diagnostic Tests and Referrals

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A Snellen chart is used most often when examining a driver’s vision. The number of the last line of type read accurately by the driver is recorded as which of the following?
  1. The numerator in the Snellen test result
  2. The denominator in the Snellen test result
  3. The alternator in the Snellen test result
  4. The equivocator in the Snellen test result
Explanation
Answer: B - The denominator in the Snellen test result

When administering the Snellen test, a driver is asked to read numerous lines of text, each of which has a number. The number of the last line of text read accurately by the driver is recorded as the denominator in the result.
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