A nurse is reviewing a client’s laboratory results prior to administering the client’s medications. The nurse notes that the client’s lithium level is 2.0 mEq/L.
Which of the following findings should the nurse expect?

Muscle irritability.

Constipation.

Hypoglycemia.

Increased BP.

Answer and Explanation

The Correct Answer is A

Muscle irritability. A client with a lithium level of

2.0 mEq/L has severe lithium toxicity, which can cause muscle irritability, tremors, seizures, and other neurological symptoms. The normal therapeutic range for lithium is 0.8-1.2 mEq/L.

Choice B is wrong because constipation is not a sign of lithium toxicity, but rather a possible side effect of lithium therapy at lower doses.

Choice C is wrong because hypoglycemia is not a sign of lithium toxicity, but rather a possible complication of diabetes or other conditions that affect blood sugar levels.

Choice D is wrong because increased blood pressure is not a sign of lithium toxicity, but rather a possible risk factor for cardiovascular disease or other conditions that affect blood vessels.

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Correct Answer is D

Explanation

Dysrhythmia is an abnormal heart rhythm that can be a sign of severe lithium toxicity.

Lithium toxicity can occur when a person takes too much lithium, a mood- stabilizing medication used to treat bipolar disorder and major depressive disorder.

Choice A is wrong because hypoglycemia is not a symptom of lithium toxicity. Hypoglycemia is low blood sugar that can cause symptoms such as shakiness, sweating, hunger, and confusion.

Choice B is wrong because excess salivation is not a symptom of lithium toxicity. Excess salivation can be caused by various factors, such as infections, medications, or nerve damage.

Choice C is wrong because urinary retention is not a symptom of lithium toxicity. Urinary retention is the inability to empty the bladder completely, which can cause pain, discomfort, and infection. Lithium toxicity can actually cause increased urine output, not decreased.

Normal ranges for blood lithium levels are 0.6 to 1.2 mEq/L for maintenance therapy and 0.8 to 1.5 mEq/L for acute therapy. Levels above 1.5 mEq/L can cause mild to moderate toxicity, and levels above 2.0 mEq/L can cause severe toxicity. Levels above 3.0 mEq/L are considered a medical emergency.

A. Place the newborn on their abdomen and observe the movement of their extremities. B. Stroke the newborn’s cheek toward their mouth. C. Stroke upward on the lateral aspect of the newborn’s foot. D. Place the newborn on a flat surface and clap hands loudly.

Correct Answer is D

Explanation

Place the newborn on a flat surface and clap hands loudly.

This action will elicit the Moro reflex, also known as the startle reflex, which is a normal, involuntary reaction that newborns and infants have when they’re startled. In response to the sound, the baby will throw back his or her head, extend out his or her arms and legs, cry, then pull the arms and legs back in.

Choice A is wrong because placing the newborn on their abdomen and observing the movement of their extremities will not trigger the Moro reflex.

This position may elicit other reflexes such as the crawling reflex or the tonic neck reflex.

Choice B is wrong because stroking the newborn’s cheek toward their mouth will not trigger the Moro reflex. This action will elicit the rooting reflex, which helps the baby find the breast or bottle to start feeding.

Choice C is wrong because stroking upward on the lateral aspect of the newborn’s foot will not trigger the Moro reflex. This action will elicit the Babinski reflex, which causes the big toe to extend upward and the other toes to fan out.

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A nurse is reviewing a client’s laboratory results prior to administering the client’s medications. The nurse notes that the client’s lithium level is 2.0 mEq/L. Which of the following findings should the nurse expect?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is caring for a client at a follow-up visit who has been taking lithium therapy for bipolar disorder. Which of the following findings should indicate to the nurse that the client is experiencing lithium toxicity?

Correct Answer is D

Explanation

A nurse is checking a newborn’s Moro reflex. Which of the following actions should the nurse take to elicit this reflex?

Correct Answer is D

Explanation

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A nurse is reviewing a client’s laboratory results prior to administering the client’s medications. The nurse notes that the client’s lithium level is 2.0 mEq/L.
Which of the following findings should the nurse expect?