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.
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A: This is incorrect because taking iron supplement with an antacid can reduce its absorption and effectiveness. The client should take iron supplement on an empty stomach or with a source of vitamin C to enhance its absorption.
Choice B: This is incorrect because drinking liquid iron supplement undiluted can stain the teeth and cause irritation to the mouth and throat. The client should dilute liquid iron supplement with water or juice and drink it through a straw.
Choice C: This is correct because increasing fiber intake while taking iron supplement can help prevent constipation, which is a common side effect of iron supplementation. The client should also drink plenty of fluids and exercise regularly to promote bowel movements.
Choice D: This is incorrect because notifying the doctor if stools turn black is not necessary as it is a normal and harmless effect of iron supplementation. The client should only notify the doctor if stools are tarry, bloody, or have a foul odor, which can indicate gastrointestinal bleeding.
Correct Answer is C
Explanation
The correct answer is C. Consume a diet high in antioxidants.
Choice A: Complete breast self-examinations one week prior to menstruation.
Performing breast self-examinations one week prior to menstruation is not recommended. The best time to perform a breast self-exam is about 3 to 5 days after your period starts, when your breasts are least likely to be tender or swollen. This timing helps in detecting any unusual changes more accurately.
Choice B: Expect clear discharge from the nipples.
While some nipple discharge can be normal, it is not something that should be expected as a routine part of breast health. Clear, yellow, or white discharge can occur due to hormonal changes, but any spontaneous discharge, especially if it is bloody or from one breast, should be evaluated by a healthcare provider.
Choice C: Consume a diet high in antioxidants.
Consuming a diet high in antioxidants is beneficial for overall health and may help reduce the risk of various diseases, including cancer. Antioxidants help neutralize free radicals, which can damage cells and contribute to cancer development. Foods rich in antioxidants include fruits, vegetables, nuts, and whole grains.
Choice D: Include meats grilled over high heat in the diet.
Including meats grilled over high heat in the diet is not advisable for someone concerned about cancer risk. Grilling meats at high temperatures can produce carcinogens such as heterocyclic amines (HCAs) and polycyclic aromatic hydrocarbons (PAHs), which have been linked to an increased risk of cancer. Therefore, it is better to avoid or limit the consumption of grilled meats.
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