A nurse is caring for a client who has hypertension and has been taking hydrochlorothiazide. Which of the following laboratory values should the nurse evaluate?

Coagulation studies

Thyroid levels

Complete blood count

Serum electrolyte levels

Answer and Explanation

The Correct Answer is D

A. Coagulation studies: Hydrochlorothiazide does not typically affect coagulation parameters, making this unnecessary for routine monitoring.
B. Thyroid levels: Hydrochlorothiazide does not interfere with thyroid function.
C. Complete blood count: Although monitoring general blood health is important, hydrochlorothiazide primarily affects electrolytes.
D. Serum electrolyte levels: Hydrochlorothiazide is a diuretic that can cause electrolyte imbalances, including hypokalemia, hyponatremia, and hypercalcemia. Regular monitoring is essential.

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Correct Answer is A

Explanation

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.

A. Dry cough B. Elevated blood pressure C. Stooped posture D. Slurred speech

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.

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Prescribed Medication	Nursing Instruction
Albuterol	"Take your albuterol when you are having difficulty breathing.” "Hold your breath for 20 seconds when taking your albuterol.”
Salmeterol	"Take the salmeterol 5 minutes before the albuterol when you need both medications." "Take the salmeterol 2 times each day."
Fluticasone	"Rinse out your mouth after taking the fluticasone." "Take the fluticasone as needed for an asthma attack."

A nurse is caring for a client who has hypertension and has been taking hydrochlorothiazide. Which of the following laboratory values should the nurse evaluate?

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