The nurse is assessing a client who exhibits positive Trousseau's and Chvostek's signs.
What laboratory value would validate these clinical findings? A serum:
potassium 4.2 mEq/L
phosphate 3.0 mg/dL
magnesium 1.8 mEq/L
calcium 6.9 mg/dL
calcium 6.9 mg/dL
The Correct Answer is D
Choice A rationale: A potassium level of 4.2 mEq/L is within the normal range and would not validate Trousseau's and Chvostek's signs.
Choice B rationale: A phosphate level of 3.0 mg/dL is within the normal range and would not validate Trousseau's and Chvostek's signs.
Choice C rationale: A magnesium level of 1.8 mEq/L is within the normal range and would not validate Trousseau's and Chvostek's signs.
Choice D rationale: A calcium level of 6.9 mg/dL is below the normal range and could validate Trousseau's and Chvostek's signs.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale: R/O (rule out) is not appropriate for documenting the client's current presentation.
Choice B rationale: S/P (status post) is not appropriate for describing the client's current respiratory distress.
Choice C rationale: SOB (shortness of breath) is the correct abbreviation to document the client's difficulty in breathing.
Choice D rationale: DOB (date of birth) is not relevant to the client's respiratory distress.
Correct Answer is A
Explanation
Choice A rationale: Intravenous administration results in the most predictable onset and complete bioavailability to the client, as the medication goes directly into the bloodstream.
Choice B rationale: Oral administration is subject to factors such as absorption in the gastrointestinal tract, which can affect predictability and bioavailability.
Choice C rationale: Subcutaneous administration can be affected by factors like absorption rates and tissue characteristics, leading to variations in onset and bioavailability.
Choice D rationale: Transdermal administration has a slower onset and may be influenced by factors such as skin integrity and blood flow.
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