A client taking atorvastatin develops an increased serum creatine phosphokinase (CK) level. The nurse should assess the client for the onset of which problem?

Peripheral edema.

Muscle tenderness.

Nausea and vomiting.

Excessive bruising.

Answer and Explanation

The Correct Answer is B

Choice A reason: Peripheral edema is not a common side effect of atorvastatin, and it is not related to increased CK levels. CK is an enzyme that is released when muscle tissue is damaged. Peripheral edema is more likely to be caused by heart failure, kidney disease, or venous insufficiency.

Choice B reason: Muscle tenderness is a sign of myopathy, which is a rare but serious adverse effect of atorvastatin. Myopathy is a condition where muscle fibers are damaged and inflamed, leading to muscle weakness and pain. Increased CK levels indicate muscle injury and can be a marker of myopathy. The nurse should monitor the client for muscle symptoms and report them to the prescriber.

Choice C reason: Nausea and vomiting are common gastrointestinal side effects of atorvastatin, but they are not associated with increased CK levels. Nausea and vomiting can be managed by taking the medication with food or reducing the dose.

Choice D reason: Excessive bruising is not a typical side effect of atorvastatin, and it is not linked to increased CK levels. Excessive bruising can be caused by bleeding disorders, anticoagulant therapy, or trauma. The nurse should assess the client for other signs of bleeding, such as hematuria, hematemesis, or melena.

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Correct Answer is C

Explanation

Choice A reason: Encouraging an increase in oral intake is not necessary in this situation, as dark urine is not a sign of dehydration or fluid imbalance. Dark urine may be caused by certain foods, medications, or medical conditions, but it does not indicate a need for more fluids.

Choice B reason: Measuring the client's urinary output is not relevant to this situation, as dark urine is not a sign of urinary retention or obstruction. Urinary output may vary depending on fluid intake, activity level, or other factors, but it does not reflect urine color.

Choice C reason: Explaining that color change is normal is the appropriate action to take, as dark urine is a common and harmless side effect of carbidopa/levodopa, which is a combination drug used to treat Parkinson's disease by increasing dopamine levels in the brain. Carbidopa/levodopa can cause urine to turn brown, black, or red, but this does not affect the function or health of the kidneys or bladder.

Choice D reason: Obtaining a specimen for a urine culture is not necessary in this situation, as dark urine is not a sign of infection or inflammation. A urine culture may be indicated if the client has symptoms such as fever, pain, burning, frequency, or urgency, but it does not diagnose urine color

A. Immediately after completion of the IV dose and 30 minutes before the next administration of the medication. B. One hour after completion of the IV dose and one hour before the next administration of the medication. C. Thirty minutes into the administration of the IV dose and 30 minutes before the next administration of the medication. D. Two hours after completion of the IV dose and two hours before the next administration of the medication.

Correct Answer is A

Explanation

Choice A reason: This is the best option to measure the peak and trough levels of vancomycin, as it reflects the highest and lowest concentrations of the drug in the blood. The peak level indicates the efficacy and potential toxicity of vancomycin, while the trough level indicates the clearance and potential subtherapeutic effect of vancomycin. The peak level should be drawn immediately after completion of the IV dose, as it takes about 30 minutes for vancomycin to reach its maximum concentration in the blood. The trough level should be drawn 30 minutes before the next administration of the medication, as it represents the lowest concentration of vancomycin in the blood before it is replenished by another dose.

Choice B reason: This is not a good option to measure the peak and trough levels of vancomycin, as it may not capture the true highest and lowest concentrations of the drug in the blood. The peak level may be lower than expected, as it takes about 30 minutes for vancomycin to reach its maximum concentration in the blood. The trough level may be higher than expected, as it is drawn too close to the next administration of the medication.

Choice C reason: This is not a good option to measure the peak and trough levels of vancomycin, as it does not reflect the highest and lowest concentrations of the drug in the blood. The peak level is drawn too early, as vancomycin has not reached its maximum concentration in the blood yet. The trough level is drawn too late, as vancomycin has already started to decline in the blood.

Choice D reason: This is not a good option to measure the peak and trough levels of vancomycin, as it may miss the highest and lowest concentrations of the drug in the blood. The peak level is drawn too late, as vancomycin may have already started to decline in the blood. The trough level is drawn too early, as vancomycin may have not reached its minimum concentration in the blood yet.

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A client taking atorvastatin develops an increased serum creatine phosphokinase (CK) level. The nurse should assess the client for the onset of which problem?

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Naxlex Comprehensive Predictor Exams

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Correct Answer is C

Explanation

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Correct Answer is A

Explanation

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