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

Answer and Explanation

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.

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Correct Answer is C

Explanation

A. CT of the brain can proceed regardless of atropine administration, as it does not directly affect the assessment of brain stem reflexes.
B. Electroencephalogram (EEG) can also proceed regardless of atropine administration, as it evaluates brain electrical activity rather than brain stem reflexes.
C. Assessment of brain stem reflexes should be postponed until all atropine is excreted and no

longer exerting its effects. Atropine can mask or alter the pupillary response and other brain stem reflexes, such as gag reflex and cough reflex, which are important indicators of neurological function.
D. Pupil response assessment should be postponed until atropine effects have dissipated, as

atropine can cause pupillary dilation, which may interfere with accurate assessment of pupil size and reactivity

A. Midazolam B. Carbamazepine C. Diazepam D. Valproic acid

Correct Answer is A

Explanation

A. Midazolam: Benzodiazepine with rapid onset of action, often preferred for acute seizure management such as status epilepticus.
B. Carbamazepine: Not typically used for acute seizure management like status epilepticus; more commonly used for maintenance therapy in epilepsy.
C. Diazepam: Benzodiazepine also used for acute seizure management, including status epilepticus. However, midazolam is often preferred due to its faster onset and shorter duration.
D. Valproic acid: Effective for long-term seizure control but not typically used for acute seizure management such as status epilepticus.

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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?

Nursing Test Bank

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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