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

Answer and Explanation

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.

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Correct Answer is B

Explanation

Choice A rationale: Iron absorption is influenced by several factors, including the presence of food in the stomach. Food can interfere with iron absorption by forming

insoluble complexes with iron, reducing its bioavailability. Therefore, ferrous sulfate should be taken on an empty stomach, preferably one hour before or two hours after meals, to enhance its absorption and effectiveness.

Choice B rationale: Ferrous sulfate is not destroyed by acid in the stomach but instead acid enhances iron absorption by keeping it in a soluble form.

Choice C rationale: Constipation is a common side effect of iron supplementation, but this is not the primary reason for taking it on an empty stomach.

Choice D rationale: Ferrous sulfate can cause gastrointestinal bleeding in some cases, but this is not the primary reason for taking it on an empty stomach.

A. renal impairment. B. muscle sprain. C. hearing impairment. D. vaginal infection. E. liver failure.

Correct Answer is ["A","E"]

Explanation

Choice A rationale: Renal impairment can affect drug excretion and clearance, impacting pharmacokinetics.

Choice B rationale: Muscle sprain is not directly related to pharmacokinetics. Choice C rationale: Hearing impairment is not directly related to pharmacokinetics.

Choice D rationale: Vaginal infection may not have a direct impact on pharmacokinetics unless it is systemic.

Choice E rationale: Liver failure can affect drug metabolism, leading to altered pharmacokinetics.

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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:

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The nurse receives the following order: "Ferrous sulfate 325 mg four times a day PO. Give on empty stomach." Even before researching, the nurse guesses that this is because the medication:

Correct Answer is B

Explanation

The nurse is administering medications to a group of clients. Which client(s) warrant(s) the nurse's special attention when considering pharmacokinetics? The client(s) who has (have) a medical diagnosis of: (SELECT ALL THAT APPLY)

Correct Answer is ["A","E"]

Explanation

A client has a serum potassium level of 6.3 mEq/L. The nurse recognizes that the highest priority intervention(s) for this client are to: (SELECT ALL THAT APPLY)

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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: