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The nurse assessing a client hospitalized with a diagnosis of hypoparathyroidism notes positive Trousseau's and Chvostek's signs. The nurse determines that these findings most indicate which electrolyte imbalance?

A.

Hypernatremia

B.

Hypermagnesemia

C.

Hypocalcemia

D.

Hypokalemia

Answer and Explanation

The Correct Answer is C

Rationale:

 

A. Hypernatremia, an elevated sodium level, does not cause Trousseau's or Chvostek's signs.

 

B. Hypermagnesemia, an elevated magnesium level, is not associated with positive Trousseau's and Chvostek's signs.

 

C. Hypocalcemia, a low calcium level, is commonly associated with positive Trousseau's and Chvostek's signs. Trousseau's sign is a carpopedal spasm induced by inflating a blood pressure cuff, while Chvostek's sign is facial twitching in response to tapping over the facial nerve. Both are indicative of neuromuscular irritability due to low calcium levels.

 

D. Hypokalemia, a low potassium level, does not cause these specific signs and is associated with different clinical manifestations.


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View Related questions

Correct Answer is B

Explanation

Rationale:

A. Drowsiness is not typically associated with thyrotoxicosis; rather, clients are more likely to experience restlessness or insomnia.

B. Heat intolerance is a common symptom of thyrotoxicosis, reflecting the increased metabolic rate associated with excessive thyroid hormone levels.

C. Bradycardia is associated with hypothyroidism, not thyrotoxicosis. In thyrotoxicosis, tachycardia or palpitations are more likely.

D. Dry skin is a symptom of hypothyroidism, whereas in thyrotoxicosis, the skin may become warm, moist, and flushed.

Correct Answer is B

Explanation

Rationale:

A. During the oliguric phase of acute kidney injury, BUN and creatinine levels typically increase due to reduced kidney function, not decrease.

B. The oliguric phase is characterized by significantly reduced urine output, often defined as less than 400 mL per 24 hours, indicating severe kidney impairment.

C. The GFR does not recover during the oliguric phase; it is significantly decreased, contributing to the accumulation of waste products in the blood.

D. Renal function is not reestablished during the oliguric phase; this occurs in later stages, such as the diuretic or recovery phase.

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