When preparing to administer a patch test, which of the following considerations is essential for the medical assistant to relay to the patient to ensure the validity of the test outcomes?
The patient should apply sunscreen on the test site the day of the procedure to prevent sun-related reactions.
The patient should avoid applying any creams or ointments on the test site 24-48 hours before the test.
The patient should cover the test site with waterproof bandages 24 hours before the procedure.
The patient should not consume any antibiotics starting three days before the test, as they might affect the results.