A patient has been taking lithium for 1 year, and the most recent lithium level is 0.9 mEq/L. Which statement about the laboratory result is correct?
The lithium level is too low
The lithium level is therapeutic
Lithium is not usually monitored with blood levels
The lithium level is too high
The Correct Answer is B
A. A lithium level of 0.9 mEq/L falls within the therapeutic range for lithium, so it is not too low.
B. A lithium level of 0.9 mEq/L is within the therapeutic range for lithium maintenance therapy, which typically ranges from 0.6 to 1.2 mEq/L. Therefore, it is considered therapeutic.
C. Lithium is commonly monitored with blood levels to ensure therapeutic efficacy and to prevent toxicity.
D. A lithium level of 0.9 mEq/L is not too high; it is within the therapeutic range.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["28"]
Explanation
2 cups of coffee: 2 cups 8 oz/cup = 16 oz
1 soft drink: 12 oz
Total intake from 1500 to 2100 = 16 oz (coffee) + 12 oz (soft drink) = 28 oz
From 2100 to 2300 (2 hours):
No additional intake mentioned in the question.
Total intake from 1500 to 2300 = 28 oz (from 1500 to 2100)
Therefore, the total intake from 1500 to 2300 is 28 ounces.
Correct Answer is ["0.6"]
Explanation
To find out how many milliliters (mL) of methylnaltrexone should be administered to achieve a dose of 12 mg, we need to set up a proportion based on the available concentration.
Given:
- Methylnaltrexone concentration: 8 mg per 0.4 mL
- Desired dose: 12 mg
We can set up the proportion as follows:
8 /0.4 = 12 / x
Where ( x ) is the unknown amount of methylnaltrexone in milliliters.
To solve for ( x ), we can cross multiply and then divide:
8x = 0.4 12
8x = 4.8
x = 4.8/8
x = 0.6
Therefore, the nurse should administer 0.6 mL of methylnaltrexone.
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