Which laboratory data would alert the nurse to the possibility of hypercalcemia in the patient recently diagnosed with osteoporosis?

An increased serum calcitonin level.

An increased number of osteocytes.

Elevated plasma magnesium levels.

An increased parathyroid hormone (PTH) level.

Answer and Explanation

The Correct Answer is D

A. An increased serum calcitonin level: Calcitonin is involved in lowering blood calcium levels, so increased levels would not indicate hypercalcemia but rather a compensatory mechanism to lower calcium.

B. An increased number of osteocytes: Osteocytes are bone cells, and their number is not a direct indicator of hypercalcemia. Osteoclasts and osteoblasts are more relevant to bone metabolism.

C. Elevated plasma magnesium levels: Elevated magnesium levels are not specifically indicative of hypercalcemia and can be related to other conditions.

D. An increased parathyroid hormone (PTH) level: Hypercalcemia can be associated with increased PTH levels, particularly in primary hyperparathyroidism. Elevated PTH can lead to increased calcium release from bones.

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Correct Answer is C

Explanation

A. Administer some insulin: Insulin is not appropriate unless there is evidence of hyperglycemia, which is not suggested by the symptoms described.

B. Prepare the patient to receive a blood transfusion: The symptoms described are not indicative of a need for a blood transfusion but rather suggest adrenal insufficiency.

C. Administer IV glucose: Addisonian crisis can be triggered by stress and dehydration, leading to low blood sugar and symptoms such as weakness and confusion. Administering IV glucose can help manage hypoglycemia and provide immediate support.

D. Collect some urine and assess for glucosuria: The symptoms are more acute and related to adrenal insufficiency rather than glucosuria.

A. The disease is prevalent in certain geographical locations. B. There is a well-defined genetic cause. C. Inflammatory processes are responsible for the signs and symptoms. D. Ischemic lesions in the brain are responsible for the signs and symptoms.

Correct Answer is C

Explanation

A. The disease is prevalent in certain geographical locations: This statement is true but does not explain the etiology of MS. Geographic prevalence does not address the underlying cause.

B. There is a well-defined genetic cause: While genetics may play a role in MS, there is no single well-defined genetic cause for the disease.

C. Inflammatory processes are responsible for the signs and symptoms: MS is an autoimmune disease characterized by inflammation and demyelination of the central nervous system, leading to the signs and symptoms of the disease.

D. Ischemic lesions in the brain are responsible for the signs and symptoms: MS is primarily caused by demyelination rather than ischemic lesions.

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Which laboratory data would alert the nurse to the possibility of hypercalcemia in the patient recently diagnosed with osteoporosis?

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