A nurse is reviewing the laboratory results for a client who reports vomiting and diarrhea for 2 days.Which of the following laboratory findings should the nurse expect?
Hypermagnesemia.
Hyperkalemia.
Hyponatremia.
Hypocalcemia.
The Correct Answer is C
Choice A rationale
Hypermagnesemia is less common with vomiting and diarrhea. These conditions usually cause a loss of magnesium rather than an excess.
Choice B rationale
Hyperkalemia is also less typical. Vomiting and diarrhea tend to cause potassium loss, leading to hypokalemia instead.
Choice C rationale
Hyponatremia is common as vomiting and diarrhea result in the loss of sodium and water, leading to low blood sodium levels.
Choice D rationale
Hypocalcemia is not a primary result of vomiting and diarrhea. Calcium levels are usually not directly affected by gastrointestinal fluid loss.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
Avoid placing toilet tissue in the bedpan after defecation to prevent contamination of the stool specimen. Toilet tissue can introduce foreign substances that may interfere with lab results.
Choice B rationale
Urinate after the specimen collection is incorrect because urine can contaminate the stool sample. The client should urinate before collecting the stool specimen to avoid mixing the two.
Choice C rationale
Placing 1.3 cm (0.5 in) of formed stool into a culture tube is insufficient for a proper stool sample. Typically, a larger sample is needed to ensure enough material is available for testing.
Choice D rationale
Keeping the specimen in a warm area is incorrect because stool samples should be kept in a cool environment to preserve the integrity of the specimen until it can be analyzed.
Correct Answer is C
Explanation
Choice A rationale
Using a quick-release tie to secure the restraint is standard practice as it ensures the restraint can be removed quickly in case of an emergency, ensuring patient safety.
Choice B rationale
Tying the restraint to the bed frame is appropriate because it prevents the client from removing the restraint independently while still allowing for quick-release if necessary. It ensures the client's safety by securing the restraint to a stable part of the bed.
Choice C rationale
Placing the restraint across the client's chest requires intervention because it can restrict breathing and cause serious harm. This practice is unsafe and contraindicated in restraint use guidelines.
Choice D rationale
Applying the restraint over the client's gown is correct as it provides a barrier between the skin and the restraint, reducing the risk of skin irritation or injury.
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