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 B
Explanation
Choice a is not correct because consuming canned sardines twice a week is not a risk factor for osteoporosis, but rather a protective factor. Canned sardines are rich in calcium and vitamin D, which are essential for bone health.
Choice c is not correct because applying an estrogen vaginal cream daily is not a risk factor for osteoporosis, but rather a treatment option. Estrogen therapy can help prevent bone loss and reduce the risk of fractures in postmenopausal women.
Choice d is not correct because walking 30 minutes per day is not a risk factor for osteoporosis, but rather a beneficial exercise. Weight-bearing physical activity can stimulate bone formation and improve bone strength.
Correct Answer is A
Explanation
Choice A: This is correct because placing electrical cords against the wall can prevent tripping and falling, which can cause injury or dislocation of the hip prosthesis. The nurse should instruct the client to remove any clutter or obstacles from the floor and use assistive devices such as a walker or cane.
Choice B: This is incorrect because placing a throw rug next to the bathtub can increase the risk of slipping and falling, especially when the floor is wet. The nurse should instruct the client to avoid using throw rugs or mats and install grab bars and non-skid mats in the bathroom.
Choice C: This is incorrect because keeping pot handles turned toward the edge of the stove can cause burns or spills, which can also lead to falls or infections. The nurse should instruct the client to turn pot handles inward or use the back burners of the stove.
Choice D: This is incorrect because storing extra blankets in a box on the steps can obstruct the access to the stairs and pose a hazard for falling. The nurse should instruct the client to store extra blankets in a closet or drawer and use handrails when using the stairs.
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