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?
Hypoglycemia.
Excess salivation.
Urinary retention.
Dysrhythmia.
The Correct Answer is D
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
This is a manifestation of a fat embolism, which is a condition where particles of fat get into the bloodstream and block blood flow. A fat embolism can occur after trauma or surgery to the legs, when fat from the bone marrow escapes into the bloodstream.
Choice A is wrong because a report of pain as 6 on a scale of 0 to 10 is not specific to a fat embolism.
Pain is a common symptom of many conditions and injuries.
Choice B is wrong because pulses 2+ distal to the client’s fracture are normal and indicate adequate blood flow to the extremity.
Choice D is wrong because bruising around the fracture site is an expected finding after a compound fracture and does not indicate a fat embolism.
Normal ranges for blood pressure are 90/60 mmHg to 120/80 mmHg and for heart rate are 60 to 100 beats per minute.
Petechiae are small red or purple spots on the skin caused by bleeding under the skin.
They can range in size from pinpoint to several millimeters. Fat embolism syndrome (FES) is a serious complication of a fat embolism that affects the lungs, skin or brain and can be fatal. FES usually occurs 12 to 72 hours after trauma.
Correct Answer is A
Explanation
This is outside of the expected reference range for a 2-week-old infant, which is 30 to 60 breaths per minute. A respiratory rate higher than 60 breaths per minute can indicate respiratory distress or infection.
Choice B is wrong because BP 64/42 mm Hg is within the normal range for a 2-week-old infant, which is 65 to 85/45 to 55 mm Hg.
Choice C is wrong because Axillary temperature 36.6° C (97.9° F) is within the normal range for a 2-week-old infant, which is 36.5 to 37.5° C (97.7 to 99.5° F).
Choice D is wrong because Apical heart rate 124/min is within the normal range for a 2-week-old infant, which is 110 to 160 beats per minute.
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