A nurse is preparing a client for fluorescein angiography to evaluate retinal blood vessels. Which instruction should the nurse provide to the client before the procedure?

• 1 Inform the staff about any history of kidney stones
• 2 Avoid drinking water for 6 hours before the test
• 3 Stop taking blood thinners one week prior
• 4 Report any allergies, especially to iodine or shellfish ✓ 정답

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