Nursing Elites

1. A patient taking trimethoprim-sulfamethoxazole (TMP-SMX) to treat a urinary tract infection complains of a sore throat. The nurse will contact the provider to request an order for which laboratory test(s)?

• A. Complete blood count with differential
• B. Throat culture
• C. Urinalysis
• D. Coagulation studies

Correct answer: A

Rationale: When a patient taking trimethoprim-sulfamethoxazole (TMP-SMX) for a urinary tract infection presents with a sore throat, the nurse should request a complete blood count with differential. TMP-SMX can cause life-threatening adverse effects such as agranulocytosis, a condition characterized by a low white blood cell count, which can manifest as a sore throat. Ordering a complete blood count with differential helps assess the patient's white blood cell count to detect any potential serious adverse effects. Throat culture (Choice B) is not indicated unless there are specific signs of a throat infection. Urinalysis (Choice C) is not relevant for assessing a sore throat. Coagulation studies (Choice D) are not typically indicated for a sore throat symptom.

2. A client with elevated levels of antidiuretic hormone (ADH) triggers the release of this hormone due to which disorder?

• A. Pneumonia
• B. Dehydration
• C. Renal failure
• D. Edema

Correct answer: B

Rationale: Antidiuretic hormone (ADH) increases tubular permeability to water, causing more water absorption into the capillaries. ADH is released in response to a rising extracellular fluid osmolarity, such as in dehydration. Pneumonia, renal failure, and edema do not typically lead to the release of ADH. Pneumonia is an inflammatory lung condition, renal failure affects kidney function, and edema is the accumulation of excess fluid in the tissues, none of which directly stimulate the release of ADH.

3. The patient weighs 75 kg and is receiving IV fluids at a rate of 50 mL/hour, having consumed 100 mL orally in the past 24 hours. What action will the nurse take?

• A. Contact the provider to ask about increasing the IV rate to 90 mL/hour.
• B. Discuss with the provider the need to increase the IV rate to 150 mL/hour.
• C. Encourage the patient to drink more water so the IV can be discontinued.
• D. Instruct the patient to drink 250 mL of water every 8 hours.

Correct answer: A

Rationale: The recommended daily fluid intake for adults is 30 to 40 mL/kg/day. For a patient weighing 75 kg, the minimum intake should be 2250 mL/day. The patient is currently receiving 1200 mL IV and 100 mL orally, totaling 1300 mL. Increasing the IV rate to 90 mL/hour would provide a total of 2160 mL, which could meet the patient's needs if oral intake continues. Option B suggests increasing the IV rate to 150 mL/hour, resulting in an excessive fluid intake of 3600 mL/day, surpassing the recommended amount. Option C, encouraging increased fluid intake, is not recommended as the patient is already struggling with fluid intake. Option D, instructing the patient to drink 250 mL of water every 8 hours, would still fall short of the required fluid intake of 2250 mL/day.

4. A client with a diagnosis of hypothermia is being admitted to the hospital by a nurse. Which of the following signs does the nurse anticipate that this client will exhibit?

• A. Increased heart rate and increased blood pressure
• B. Increased heart rate and decreased blood pressure
• C. Decreased heart rate and increased blood pressure
• D. Decreased heart rate and decreased blood pressure

Correct answer: D

Rationale: Hypothermia decreases the heart rate and blood pressure due to reduced metabolic needs of the body. With lower metabolic demands, the heart's workload decreases, leading to reductions in both heart rate and blood pressure. Choices A, B, and C are incorrect because hypothermia typically results in a decrease in heart rate and blood pressure, not an increase.

5. The patient has a heart rate of 98 beats per minute and a blood pressure of 82/58 mm Hg, is lethargic, complaining of muscle weakness, and has had gastroenteritis for several days. Based on these findings, which sodium value would the nurse expect?

• A. 126 mEq/L
• B. 140 mEq/L
• C. 145 mEq/L
• D. 158 mEq/L

Correct answer: A

Rationale: The patient's presentation of tachycardia, hypotension, lethargy, muscle weakness, and gastroenteritis suggests hyponatremia. Hyponatremia is characterized by a serum sodium level below the normal range of 135-145 mEq/L. A serum sodium level of 126 mEq/L falls significantly below this range, indicating hyponatremia. Choice B (140 mEq/L) and Choice C (145 mEq/L) are within the normal range for serum sodium levels and would not explain the patient's symptoms. Choice D (158 mEq/L) is above the normal range and would indicate hypernatremia, which is not consistent with the patient's presentation.

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