A nurse is teaching a newly licensed nurse about obtaining a fecal occult blood test from a client.
Which of the following information should the nurse include?
Collect two stool specimens from the same area of the stool.
Use toilet paper to transfer the stool specimen.
Apply four drops of developing solution to each stool specimen.
Wait 30 seconds after applying the developing solution to obtain the results.
The Correct Answer is D
Choice A rationale
Collecting two stool specimens from the same area of the stool is incorrect because specimens should be taken from different areas to ensure a representative sample of the stool for testing.
Choice B rationale
Using toilet paper to transfer the stool specimen is not recommended as it can contaminate the sample and interfere with test results.
Choice C rationale
Applying four drops of developing solution to each stool specimen is incorrect. The usual procedure involves applying a specific number of drops as indicated by the test instructions, which may vary.
Choice D rationale
Waiting 30 seconds after applying the developing solution is correct. This waiting period allows the test to react and provide accurate results for the presence of occult blood.
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Correct Answer is C
Explanation
Choice A rationale
Toxic levels refer to concentrations of a medication that are high enough to cause harmful effects or poisoning. This is not related to the lowest serum concentration.
Choice B rationale
Peak levels are the highest concentration of a medication in the bloodstream after administration. This occurs after the drug is absorbed and distributed.
Choice C rationale
Trough levels occur when the medication is at its lowest concentration in the bloodstream, typically just before the next dose is due. Monitoring trough levels helps ensure therapeutic effectiveness while avoiding toxicity.
Choice D rationale
Half-life refers to the time it takes for the concentration of a drug in the bloodstream to decrease by half. It is not directly related to the lowest serum concentration at a specific point in time.
Correct Answer is B
Explanation
Choice A rationale
An ileal conduit does not provide the client with control over elimination. It is a type of urinary diversion, and the client wears an external pouch to collect urine.
Choice B rationale
In an ileal conduit, the client's ureters are attached to a section of the small intestine, which is then brought to the surface of the abdomen to form a stoma. Urine flows through this conduit into an external pouch.
Choice C rationale
An ileal conduit is not a tube that directly connects the kidney to an external pouch. It involves using a section of the small intestine to create a passageway for urine to exit the body.
Choice D rationale
Stool is not passed through an ileal conduit. The ileal conduit is specifically for urinary diversion, while stool passes through the regular gastrointestinal tract.