in a patient with asthma which of the following is the most important indicator of respiratory function
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HESI RN

Evolve HESI Medical Surgical Practice Exam Quizlet

1. In a patient with asthma, which of the following is the most important indicator of respiratory function?

Correct answer: D

Rationale: The peak expiratory flow rate is the most important indicator of respiratory function in asthma because it measures how quickly air can be exhaled, reflecting the severity of airflow limitation. Oxygen saturation (Choice A) is important in assessing oxygenation, but it does not directly reflect respiratory function. Respiratory rate (Choice B) can provide information on breathing patterns but does not quantify airflow limitation. Arterial blood gases (Choice C) give information about gas exchange but are not as specific for assessing asthma control and severity as peak expiratory flow rate.

2. A middle-aged female client with diabetes mellitus is being treated for the third episode of acute pyelonephritis in the past year. The client asks, 'What can I do to help prevent these infections?' How should the nurse respond?

Correct answer: C

Rationale: The correct answer is C. Clients with long-standing diabetes mellitus are at risk for pyelonephritis due to various reasons. Elevated blood glucose levels in diabetes can lead to glucose spilling into the urine, altering the pH and creating a conducive environment for bacterial growth. Neuropathy associated with diabetes can reduce bladder tone and diminish the sensation of bladder fullness, resulting in less frequent voiding and increased risk of stasis and bacterial overgrowth. Increasing fluid intake, particularly water, and voiding regularly can help prevent stasis and microbial overgrowth. Testing urine for ketones and proteins or using tampons instead of sanitary napkins are not effective strategies for preventing pyelonephritis. Keeping the hemoglobin A1c levels below 9% is crucial for managing diabetes, but it alone does not directly prevent pyelonephritis.

3. A patient who is being treated for dehydration is receiving 5% dextrose and 0.45% normal saline with 20 mEq/L potassium chloride at a rate of 125 mL/hour. The nurse assuming care for the patient reviews the patient’s serum electrolytes and notes a serum sodium level of 140 mEq/L and a serum potassium level of 3.6 mEq/L. The patient had a urine output of 250 mL during the last 12-hour shift. Which action will the nurse take?

Correct answer: D

Rationale: The patient’s potassium level is within normal limits, but the decreased urine output indicates the patient should not receive additional IV potassium. Increasing potassium chloride to 40 mEq/L is not needed as the level is normal. Stopping the IV fluids is appropriate due to the decreased urine output, which suggests potential fluid overload. The nurse should notify the provider of the assessment findings for further management. Increasing the rate of fluids to 200 mL/hour is not recommended without addressing the decreased urine output first.

4. A client is admitted with acute kidney injury (AKI) and a urine output of 2000 mL/day. What is the major concern of the nurse regarding this client’s care?

Correct answer: B

Rationale: The major concern for a client admitted with acute kidney injury (AKI) and a high urine output of 2000 mL/day is electrolyte and fluid imbalance. In AKI, there may be an inflammatory cause leading to proteins entering the glomerulus, resulting in fluid being held in the filtrate and causing polyuria. Electrolyte loss and fluid balance are critical to monitor and manage in AKI cases. Edema and pain are not typically associated with fluid loss. While changes in cardiac, respiratory, and mental health status can occur if electrolyte imbalance is not addressed, the primary focus should be on managing electrolyte and fluid balance to prevent further complications.

5. A client is getting out of bed for the first time since surgery. The client complains of dizziness after the nurse raises the head of the bed. Which of the following actions should the nurse take first?

Correct answer: D

Rationale: When a client experiences dizziness after being positioned upright for the first time post-surgery, the initial action the nurse should take is to lower the head of the bed slowly until the dizziness subsides. This maneuver helps alleviate the dizziness by allowing the body to adapt gradually to the change in position. Subsequently, the nurse should assess the client's pulse and blood pressure. Checking the blood pressure is essential to evaluate the circulatory status and rule out orthostatic hypotension as a cause of dizziness. Checking the oxygen saturation level and having the client take deep breaths are not the priority in this scenario as the primary concern is addressing the circulatory issue causing dizziness, not a respiratory problem.

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