HESI RN
HESI Fundamentals
1. When assessing a client with wrist restraints, the nurse observes that the fingers on the right hand are blue. What action should the nurse implement first?
- A. Loosen the right wrist restraint.
- B. Apply a pulse oximeter to the right hand.
- C. Compare hand color bilaterally.
- D. Palpate the right radial pulse.
Correct answer: A
Rationale: The priority nursing action is to restore circulation by loosening the restraint (A) because blue fingers (cyanosis) indicate decreased circulation. Comparing hand color bilaterally (C) and palpating the right radial pulse (D) are important assessments to gather more information, but they do not have the priority of addressing the decreased circulation by loosening the restraint. Applying a pulse oximeter (B) is not indicated in this scenario as it measures the saturation of hemoglobin with oxygen, which is not relevant when cyanosis is related to mechanical compression from the restraints.
2. A client is to receive 10 mEq of KCl diluted in 250 ml of normal saline over 4 hours. At what rate should the nurse set the client's intravenous infusion pump?
- A. 13 ml/hour.
- B. 63 ml/hour.
- C. 80 ml/hour.
- D. 125 ml/hour.
Correct answer: B
Rationale: The correct calculation involves dividing the total volume by the total time. In this case, 250 ml/4 hours = 63 ml/hour. The dose of KCl is not used in the calculation as the focus is on the rate of infusion over the specified time period. Choice A (13 ml/hour) is incorrect as it does not result from the correct calculation. Choice C (80 ml/hour) and Choice D (125 ml/hour) are also incorrect calculations and do not match the correct rate of infusion required.
3. A client is admitted to the hospital with a diagnosis of pneumonia. Which laboratory test result should the nurse monitor to evaluate the client’s respiratory function?
- A. Arterial blood gases (ABGs)
- B. Complete blood count (CBC)
- C. Blood glucose levels
- D. Serum electrolyte levels
Correct answer: A
Rationale: Arterial blood gases (ABGs) are the most appropriate laboratory test to monitor respiratory function in a client with pneumonia. ABGs provide valuable information on oxygenation status, acid-base balance, and how well the lungs are exchanging gases. This information helps in assessing the effectiveness of ventilation and oxygenation, guiding treatment decisions, and evaluating the overall respiratory status of the client.
4. During a clinic visit, the mother of a 7-year-old reports to the nurse that her child is often awake until midnight playing and is then very difficult to awaken in the morning for school. Which assessment data should the nurse obtain in response to the mother's report?
- A. The occurrence of any episodes of sleep apnea
- B. The child's blood pressure, pulse, and respirations
- C. Length of rapid eye movement (REM) sleep that the child is experiencing
- D. Description of the family's home environment
Correct answer: D
Rationale: In response to the mother's report, the nurse should assess the family's home environment first to identify any factors that may hinder the establishment of bedtime routines conducive to sleep. Factors such as noise, light, distractions, or other environmental aspects could be contributing to the child's difficulty falling asleep at a reasonable hour and waking up in the morning.
5. A client is receiving external radiation therapy for lung cancer. Which intervention is most important for the nurse to include in the client's plan of care?
- A. Encourage the client to use sunscreen when outdoors.
- B. Apply a heating pad to the radiation site.
- C. Instruct the client to avoid using deodorant on the skin near the radiation site.
- D. Advise the client to increase intake of green leafy vegetables.
Correct answer: C
Rationale: Instructing the client to avoid using deodorant on the skin near the radiation site (C) is crucial to prevent skin irritation and potential adverse reactions during external radiation therapy. Sunscreen (A), heating pad (B), and dietary changes (D) are less pertinent in this situation.
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