The nurse is teaching a client with rectal bleeding about fecal occult blood testing (fobt) testing supplies. what teaching will the nurse provide?

In preparation for Fecal Occult Blood Testing (FOBT), the nurse will teach the patient to refrain from eating red meat 3 days before the test, to avoid taking more than 250 mg of vitamin C 2-3 days before testing, as well as abstain from consuming citrus fruits or juices for 3 days before the test. The patient must also stay away from Nonsteroidal Anti-inflammatory drugs (NSAIDs) 7 days before the stool sample is collected.