A nurse is reviewing the results of a client's fecal occult blood screening test. Which of the following findings from the client's history should the nurse identify as potentially causing a false-positive result?

The client takes ibuprofen for headaches.

The client had a hemorrhoidectomy 1 year ago.

The client has a history of breast cancer.

The client consumed citrus juice 3 days before the test.

Answer and Explanation

The Correct Answer is A

Choice A reason: Taking ibuprofen or other nonsteroidal anti-inflammatory drugs (NSAIDs) can cause a false-positive result on a fecal occult blood screening test, as they can irritate the gastrointestinal mucosa and cause bleeding.

Choice B reason: Having a hemorrhoidectomy 1 year ago is unlikely to cause a false-positive result on a fecal occult blood screening test, as hemorrhoids are usually a source of bright red blood that can be seen with naked eye, not occult blood that requires chemical detection.

Choice C reason: Having a history of breast cancer is not related to a false-positive result on a fecal occult blood screening test, as breast cancer does not affect the gastrointestinal tract or cause bleeding in stool.

Choice D reason: Consuming citrus juice 3 days before the test is not likely to cause a false-positive result on a fecal occult blood screening test, as citrus juice does not contain any substances that can interfere with the chemical reaction of the test. However, consuming red meat, raw vegetables, vitamin C supplements, or iron supplements within 3 days before the test can cause false-negative results, as they can mask or degrade occult blood in stool.

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Correct Answer is A

Explanation

Choice A reason: Asking the client if they are having difficulty breathing is the highest priority question, as it can assess the severity of their allergic reaction to penicillin and the risk of anaphylaxis, which is a life-threatening condition that can cause airway obstruction and respiratory failure.

Choice B reason: Taking the client's heart rate is not a question, but an action that can be done after asking the client about their breathing status. The heart rate can indicate the presence of tachycardia or arrhythmia, which are signs of cardiovascular compromise due to an allergic reaction.

Choice C reason: Telling the client that they need to receive diphenhydramine is not a question, but an action that can be done after asking the client about their breathing status. Diphenhydramine is an antihistamine drug that can reduce the symptoms of an allergic reaction, such as itching, swelling, or wheezing.

Choice D reason: Asking the client if they have any allergies to medications is not a high priority question, as it can be done before administering penicillin or after stabilizing the client's condition. Knowing the client's allergy history can help prevent future adverse reactions and guide appropriate treatment choices.Question 42

A. Don sterile gloves before removing the dressing. B. Offer the client pain medication before the procedure. C. Prepare the sterile dressing supplies 30 min before the dressing change. D. Disinfect the wound bed with alcohol before applying tape.

Correct Answer is B

Explanation

Choice A: This is incorrect. The nurse should don clean gloves before removing the dressing, and then change to sterile gloves before applying the new dressing.

Choice B: This is correct. The nurse should offer the client pain medication before the procedure, as changing a dressing for a stage III pressure ulcer can be very painful.

Choice C: This is incorrect. The nurse should prepare the sterile dressing supplies just before the dressing change, not 30 min before, to prevent contamination.

Choice D: This is incorrect. The nurse should not disinfect the wound bed with alcohol, as this can damage the healthy tissue and delay healing. The nurse should use a saline solution or an antiseptic solution as prescribed.

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A nurse is reviewing the results of a client's fecal occult blood screening test. Which of the following findings from the client's history should the nurse identify as potentially causing a false-positive result?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse administered a dose of penicillin to a client 30 min ago. The client reports dizziness and wheezes when breathing. Which of the following questions by the nurse is the highest priority?

Correct Answer is A

Explanation

A nurse is preparing to perform a sterile dressing change for a client who has a stage III pressure ulcer. Which of the following actions should the nurse plan to take?

Correct Answer is B

Explanation

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