A nurse receives a lithium level report of 1.0 mEq/L (1.0 mmol/L) for a client who has been taking lithium for 2 months. The nurse should interpret this level to indicate which of the following? 1. An...

A nurse receives a lithium level report of 1.0 mEq/L (1.0 mmol/L) for a client who has been taking lithium for 2 months. The nurse should interpret this level to indicate which of the following?

1. An error in reporting.

2. Too low to be therapeutic.

3. Too high, indicating toxicity.

4. Within the therapeutic range.