A client is admitted to the emergency room with renal calculi. Upon assessment, which of the following findings should the nurse expect?

Bradycardia

Bradypnea

Severe pain

Nocturia

Answer and Explanation

The Correct Answer is C

Choice A reason: Bradycardia, which is a slower than normal heart rate, is not a common finding associated with renal calculi. Renal calculi, or kidney stones, typically cause symptoms related to the urinary system rather than directly affecting the heart rate.

Choice B reason: Bradypnea, or abnormally slow breathing, is also not a typical symptom of renal calculi. Patients with kidney stones may experience changes in urination patterns, such as frequency or urgency, but not typically changes in respiratory rate.

Choice C reason: Severe pain is indeed the most common symptom associated with renal calculi. This pain, known as renal colic, is often sudden in onset, very severe, and may radiate from the back down to the lower abdomen or groin. The pain is caused by the stone moving into the ureter and causing a blockage, which leads to increased pressure and stretching of the kidney or ureter. Renal calculi can cause a range of symptoms, with severe pain being the most prominent and often the first symptom that leads individuals to seek medical care. The pain is typically very intense and can be accompanied by other symptoms such as nausea, vomiting, and hematuria (blood in the urine).

Choice D reason: Nocturia, or frequent urination at night, can be a symptom of renal calculi, especially if the stones affect the bladder or cause urinary tract infections. However, the most characteristic symptom of renal calculi is severe pain, not necessarily nocturia.

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Correct Answer is D

Explanation

Choice A reason: A BUN level of 20 mg/dL is within the normal range (7-20 mg/dL) and does not indicate an increased risk of AKI.

Choice B reason: Serum Osmolality of 290 mOsm/kg H2O is within the normal range (275-295 mOsm/kg H2O) and does not suggest an increased risk of AKI.

Choice C reason: A Magnesium level of 2.0 mEq/L is within the normal range (1.7-2.2 mEq/L) and does not indicate an increased risk of AKI.

Choice D reason: An elevated serum creatinine level, such as 1.8 mg/dL, indicates decreased kidney function and is a risk factor for AKI, especially post-MI where the kidneys may be vulnerable due to reduced cardiac output and potential nephrotoxic interventions.

A. Hypophosphatemia B. Hypercalcemia C. Hyperkalemia D. Hypernatremia

Correct Answer is C

Explanation

Choice A reason: Hypophosphatemia refers to an abnormally low level of phosphate in the blood. The normal range for serum phosphate in adults is typically around 2.5 to 4.5 mg/dL. In the context of acute kidney injury (AKI), the kidneys’ ability to excrete phosphate is impaired, which can actually lead to hyperphosphatemia, not hypophosphatemia. Therefore, while phosphate levels are important to monitor in AKI, hypophosphatemia is not typically expected.

Choice B reason: Hypercalcemia is characterized by an elevated level of calcium in the blood, with the normal range being approximately 8.5 to 10.2 mg/dL. AKI can sometimes be associated with hypercalcemia, particularly if there is extensive tissue breakdown or rhabdomyolysis. However, it is not as commonly expected as hyperkalemia. Hypercalcemia in AKI is more often secondary to other underlying conditions rather than a direct result of the kidney injury itself.

Choice C reason: Hyperkalemia is a common electrolyte imbalance in AKI and refers to a high level of potassium in the blood. The normal range for serum potassium is about 3.5 to 5.0 mEq/L. In AKI, the kidneys’ ability to excrete potassium is compromised, leading to an accumulation of potassium in the blood. This can be life-threatening, causing cardiac dysrhythmias and muscle weakness. Hyperkalemia is a key concern in AKI management and is often expected in this condition. While all the listed electrolyte imbalances can occur in various clinical scenarios, hyperkalemia is the most commonly expected electrolyte disturbance in a patient with acute kidney injury. It is crucial for healthcare providers to monitor and manage electrolyte levels carefully in AKI to prevent complications.

Choice D reason: Hypernatremia means an elevated sodium level in the blood, with the normal range being 135 to 145 mEq/L. While sodium balance can be affected in AKI, hypernatremia is not typically expected. It is more commonly associated with conditions that cause a loss of water or an intake of sodium, such as diabetes insipidus or excessive salt ingestion. In AKI, the focus is often on managing fluid overload rather than sodium excess.

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A client is admitted to the emergency room with renal calculi. Upon assessment, which of the following findings should the nurse expect?

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