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 A
Explanation
Choice A reason: 0.9% sodium chloride or normal saline is the only solution that should be administered with PRBCs, as it has an isotonic osmolarity and pH that are compatible with blood products and can prevent hemolysis or clotting.
Choice B reason: Dextrose 5% in water or D5W should not be administered with PRBCs, as it has a hypotonic osmolarity that can cause hemolysis or rupture of red blood cells due to osmotic pressure.
Choice C reason: Lactated Ringer's or LR should not be administered with PRBCs, as it contains calcium and lactate that can interfere with blood coagulation and cause clotting or embolism.
Choice D reason: Dextrose 5% in 0.45% sodium chloride or D5½NS should not be administered with PRBCs, as it has a hypotonic osmolarity that can cause hemolysis or rupture of red blood cells due to osmotic pressure.
Correct Answer is ["A","C","D"]
Explanation
a) You should shower instead of taking a tub bath. This is correct because showering reduces the risk of infection and promotes wound healing.
b) You may take aspirin for mild pain. This is incorrect because aspirin can increase the risk of bleeding and interfere with clotting. The client should take acetaminophen or another nonsteroidal anti-inflammatory drug (NSAID) for pain relief.
c) You should avoid lifting objects that weigh more than 8 pounds. This is correct because lifting heavy objects can strain the surgical site and cause bleeding or herniation.
d) You might see blood in your urine after coughing. This is correct because coughing can increase the pressure in the bladder and cause blood to leak from the urethra. This is normal and should subside within a few days.
e) You may resume sexual intercourse after 2 weeks. This is incorrect because sexual intercourse can cause trauma to the prostate and urethra and delay healing. The client should wait at least 6 weeks before resuming sexual activity.
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