The nurse is using an ophthalmoscope to assess the optic disc in a client. The nurse would suspect hemorrhage of the optic disc is present when which of the following colors is visualized through the red-free filter of the ophthalmoscope?
1. Green
2. Black
3. Red
4. Yellow
2
Rationale 1: The color green is not an expected finding of fundoscopic examination of the eye.
Rationale 2: The red-free filter is used to examine the optic disc for hemorrhage. This filter shines a green beam into the eye and if hemorrhage is present, the disc will appear black.
Rationale 3: The color red is observed as the red reflex; light reflecting off the retina when a bright white light is shined through the pupil. This is a normal finding.
Rationale 4: Yellow is the color of a normal optic disc. This is elicited using the bright white light of the ophthalmoscope.
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