A nurse is evaluating the laboratory results of four clients. The nurse should report which of the following laboratory results to the provider?

A client who has a prescription for heparin and an aPTT of 90 seconds (30-40 seconds).

A client who has a prescription for warfarin and an INR of 2.0 (0.8 to 1.1).

A client who has a prescription for heparin and an aPTT of 65 seconds (30-40 seconds).

A client who has a prescription for warfarin and an INR of 3.0 (0.8 to 1.1).

Answer and Explanation

The Correct Answer is A

A. A client who has a prescription for heparin and an aPTT of 90 seconds (30-40 seconds).: This is significantly elevated and indicates a risk for bleeding, as the therapeutic range for heparin is typically 1.5–2.5 times the normal value.
B. A client who has a prescription for warfarin and an INR of 2.0 (0.8 to 1.1): This is within the therapeutic range for most conditions treated with warfarin (e.g., 2.0–3.0).
C. A client who has a prescription for heparin and an aPTT of 65 seconds (30-40 seconds): This is slightly elevated but still within the therapeutic range for heparin (typically 60–80 seconds).
D. A client who has a prescription for warfarin and an INR of 3.0 (0.8 to 1.1): This is within the therapeutic range for most warfarin indications.

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Correct Answer is D

Explanation

A. Dry cough: This is not typically associated with lithium toxicity and may indicate another issue, such as a respiratory infection.
B. Elevated blood pressure: Lithium toxicity usually results in hypotension, not elevated blood pressure.
C. Stooped posture: This is not a typical sign of lithium toxicity.
D. Slurred speech: Slurred speech can be an early sign of lithium toxicity, indicating that the medication level is too high.

A. Withdraw the NPH insulin last. B. Mix the medications in a 3-mL syringe. C. Administer the medications in two separate syringes. D. Inject air into the regular vial first.

Correct Answer is A

Explanation

A. Withdraw the NPH insulin last: When mixing insulin, the regular (clear) insulin should be drawn into the syringe first, followed by the NPH (cloudy) insulin to avoid contaminating the regular insulin.
B. Mix the medications in a 3-mL syringe: While mixing is correct, the syringe size is not specifically relevant unless the total dose exceeds the syringe capacity. A standard insulin syringe should be used.
C. Administer the medications in two separate syringes: This is unnecessary when mixing regular and NPH insulin is appropriate.
D. Inject air into the regular vial first: Air should be injected into the NPH vial first, then the regular vial.

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A nurse is evaluating the laboratory results of four clients. The nurse should report which of the following laboratory results to the provider?

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Naxlex Comprehensive Predictor Exams

A nurse in a mental health facility is collecting data from a client taking lithium. Which of the following information should the nurse report to the provider as an indication of lithium toxicity?

Correct Answer is D

Explanation

A nurse is preparing to administer regular and NPH insulin to a client. Which of the following actions should the nurse take?

Correct Answer is A

Explanation

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