HESI RN
HESI RN CAT Exit Exam 1
1. The nurse is assessing a client with chronic obstructive pulmonary disease (COPD) who has a respiratory rate of 32 breaths/min and a heart rate of 110 beats/min. What action should the nurse take first?
- A. Administer a bronchodilator
- B. Encourage deep breathing and coughing
- C. Assess the client's oxygen saturation level
- D. Obtain an arterial blood gas
Correct answer: C
Rationale: The correct action for the nurse to take first is to assess the client's oxygen saturation level. In a client with COPD and abnormal respiratory and heart rates, determining the oxygen saturation helps evaluate the adequacy of oxygen exchange and the severity of respiratory distress. Administering a bronchodilator (choice A) can be appropriate but assessing oxygen saturation takes priority. Encouraging deep breathing and coughing (choice B) may not address the immediate need for oxygenation assessment. Obtaining an arterial blood gas (choice D) is important but typically follows the initial assessment of oxygen saturation.
2. A client who had an intraosseous (IO) cannula placed by the healthcare provider for emergent fluid resuscitation is complaining of severe pain and numbness below the IO site. The skin around the site is pale and edematous. What action should the nurse take first?
- A. Discontinue the IO infusion
- B. Administer an analgesic via the IO site
- C. Elevate the extremity with the IO site
- D. Notify the healthcare provider
Correct answer: A
Rationale: In this scenario, the client's symptoms of severe pain, numbness, pale skin, and edema below the IO site raise concerns for complications like compartment syndrome or extravasation. The priority action for the nurse is to discontinue the IO infusion to prevent further harm to the client. Administering an analgesic via the IO site or elevating the extremity with the IO site may delay addressing the potential serious complications. While notifying the healthcare provider is important, the immediate action to ensure client safety is to stop the infusion.
3. When caring for a laboring client whose contractions are occurring every 2 to 3 min, the nurse should document that the pump is infusing how many ml/hr?
- A. 42
- B. 50
- C. 60
- D. 70
Correct answer: A
Rationale: To calculate the infusion rate, we first need to determine the frequency of contractions per hour. If contractions are occurring every 2 to 3 minutes, this corresponds to 20 to 30 contractions in an hour (60 minutes). The average is 25 contractions in an hour. The pump should be infusing 1 ml for each contraction, so the infusion rate should be 25 ml/hr. Therefore, the correct answer is 42 ml/hr. Choices B, C, and D are incorrect as they do not align with the calculation based on the given data.
4. The nurse is caring for a 10-year-old diagnosed with acute glomerulonephritis. Which outcome is the priority for this child?
- A. Activity tolerance as evidenced by appropriate age-level activities being performed
- B. Absence of skin breakdown as evidenced by intact skin and absence of redness
- C. Maintaining adequate nutritional status as evidenced by stable weight without gain or loss
- D. Maintaining fluid balance as evidenced by a urine output of 1 to 2 ml/kg/hr
Correct answer: D
Rationale: In acute glomerulonephritis, maintaining fluid balance is the priority to prevent complications like fluid overload or dehydration. Monitoring urine output within the range of 1 to 2 ml/kg/hr is crucial in assessing renal function. While activity tolerance, skin integrity, and nutritional status are important aspects of care, fluid balance takes precedence due to its direct impact on the renal condition and overall health outcome for the child.
5. The nurse assesses a client who is receiving an infusion of 5% dextrose in water with 20 mEq of potassium chloride. The client has oliguria and a serum potassium level of 6.5 mEq/L. What action should the nurse implement first?
- A. Notify the healthcare provider of the laboratory results
- B. Decrease the rate of the IV infusion
- C. Stop the infusion
- D. Administer sodium polystyrene sulfonate (Kayexalate)
Correct answer: C
Rationale: The correct action for the nurse to implement first is to stop the infusion. Stopping the infusion is crucial to prevent further potassium from being administered, which can exacerbate the client's hyperkalemia. Notifying the healthcare provider of the laboratory results (Choice A) can be done after taking immediate action to stop the infusion. Decreasing the rate of the IV infusion (Choice B) may not be sufficient to address the high potassium level quickly. Administering sodium polystyrene sulfonate (Kayexalate) (Choice D) is not the initial action for managing hyperkalemia; stopping the potassium infusion takes precedence.
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