A nurse is reviewing the laboratory values for an adolescent who is scheduled for a surgical procedure.
For which of the following laboratory values should the nurse notify the provider?

Platelet count 120,000/mm².

WBC count 9,800/mm³.

Hgb 13 mg/dL.

Hct 42%.

Answer and Explanation

The Correct Answer is A

The nurse should notify the provider because this value is lower than the normal range of 150,000 to 450,000 platelets per microliter of blood. A low platelet count can indicate a risk of bleeding or a condition such as thrombocytopenia or disseminated intravascular coagulation (DIC).

Choice B is wrong because WBC count 9,800/mm³ is within the normal range of 4,500 to 11,000 cells per microliter of blood.

Choice C is wrong because Hgb 13 mg/dL is within the normal range of 12 to 16 mg/dL for females and 14 to 18 mg/dL for males.

Choice D is wrong because Hct 42% is within the normal range of 37% to 47% for females and 42% to 52% for males.

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Correct Answer is A

Explanation

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.

A. “I will take an antibiotic for the next 10 days.” B. “I will not play soccer until my doctor tells me I can.” C. “I will need to get a varicella booster in 1 month.” D. “I will expect the whites of my eyes to turn yellow.”

Correct Answer is B

Explanation

“I will not play soccer until my doctor tells me I can.” This statement indicates that the client understands the risk of splenic rupture due to splenomegaly and the need to avoid contact sports until the spleen returns to normal size.

Choice A is wrong because antibiotics are not effective for infectious mononucleosis, which is caused by a virus.

Choice C is wrong because varicella booster is not related to infectious mononucleosis and there is no evidence that the client needs it.

Choice D is wrong because jaundice (yellowing of the eyes and skin) is not a common manifestation of infectious mononucleosis and may indicate another condition such as hepatitis.

Normal ranges for spleen size are 7 to 14 cm in length and 3 to 4 cm in thickness.

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A nurse is reviewing the laboratory values for an adolescent who is scheduled for a surgical procedure. For which of the following laboratory values should the nurse notify the provider?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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?

Correct Answer is A

Explanation

A nurse is reinforcing teaching about self-care with an adolescent client who has infectious mononucleosis with splenomegaly. Which of the following statements by the client indicates an understanding of the teaching?

Correct Answer is B

Explanation

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A nurse is reviewing the laboratory values for an adolescent who is scheduled for a surgical procedure.
For which of the following laboratory values should the nurse notify the provider?