The nurse is caring for a pediatric client with a new onset of hypercalcemia.
What condition would be most likely to cause this altered serum calcium level?

Liver failure.

Radiation injury.

Malignancy.

Hypothyroidism.

Answer and Explanation

The Correct Answer is C

Hypercalcemia is a condition caused by having too much calcium in the blood, which can affect the function of nerves, muscles, kidneys and heart. Hypercalcemia can occur in children due to various causes, both acquired and genetic. One of the most common causes of hypercalcemia in children is cancer, especially cancers that affect the bones or produce substances that mimic parathyroid hormone (PTH), which regulates calcium levels.

Choice A is wrong because liver failure does not directly cause hypercalcemia, although it can affect vitamin D metabolism and calcium absorption.

Choice B is wrong because radiation injury does not cause hypercalcemia, unless it damages the parathyroid glands or causes bone destruction.

Choice D is wrong because hypothyroidism does not cause hypercalcemia, although it can affect bone turnover and calcium excretion.

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Correct Answer is B

Explanation

The client should avoid taking aspirin while taking corticosteroids because of the potential drug-drug interaction between them. This interaction may cause a reduction in the blood levels of aspirin and decrease its effectiveness. It may also increase the risk of gastrointestinal side effects such as inflammation, bleeding, ulceration, and perforation.

Choice A is wrong because dimenhydrinate is an antihistamine that is used to prevent and treat nausea, vomiting, and dizziness.

It does not have a significant interaction with corticosteroids.

Choice C is wrong because ibuprofen is a nonsteroidal anti-inflammatory drug (NSAID) that is used to relieve pain, inflammation, and fever.

It has a similar interaction with corticosteroids as aspirin, but it is less potent and less likely to cause bleeding.

Choice D is wrong because famotidine is a histamine-2 receptor antagonist that is used to treat and prevent ulcers, gastroesophageal reflux disease (GERD), and other conditions that cause excess stomach acid.

It does not have a significant interaction with corticosteroids.

A. Tolbutamide. B. Tolazamide. C. Chlorpropamide. D. Chlorpromazine.

Correct Answer is A

Explanation

Tolbutamide is preferred for clients with renal dysfunction, who may not be able to excrete chlorpropamide, because it is more easily cleared from the body.

Choice B. Tolazamide is wrong because it is a first-generation sulfonylurea that is used less frequently and is usually tried after tolbutamide and chlorpropamide have been shown to be ineffective.

Choice C. Chlorpropamide is wrong because it is a first-generation sulfonylurea that may accumulate in clients with renal dysfunction and cause hypoglycemia.

Choice D. Chlorpromazine is wrong because it is an antipsychotic agent, not an oral antidiabetic agent.

First-generation sulfonylureas are oral antidiabetic agents that stimulate insulin secretion from the pancreas.

They are used to treat type 2 diabetes mellitus.

The normal range of blood glucose level is 70 to 110 mg/dL.

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The nurse is caring for a pediatric client with a new onset of hypercalcemia. What condition would be most likely to cause this altered serum calcium level?

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Naxlex Comprehensive Predictor Exams

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Correct Answer is B

Explanation

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Correct Answer is A

Explanation

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The nurse is caring for a pediatric client with a new onset of hypercalcemia.
What condition would be most likely to cause this altered serum calcium level?