HESI LPN
HESI Fundamentals Study Guide
1. A healthcare professional is reviewing a client's fluid and electrolyte status. Which of the following findings should the healthcare professional report to the provider?
- A. BUN 15 mg/dL
- B. Creatinine 0.8 mg/dL
- C. Sodium 143 mEq/L
- D. Potassium 5.4 mEq/L
Correct answer: D
Rationale: The correct answer is D. A potassium level of 5.4 mEq/L is above the expected reference range, indicating hyperkalemia. Hyperkalemia can lead to serious complications such as dysrhythmias, making it important for the healthcare professional to report this finding to the provider for further evaluation and intervention. Choices A, B, and C fall within normal ranges and do not pose an immediate risk to the client's health, so they would not warrant immediate reporting to the provider. Elevated BUN or creatinine levels may indicate kidney dysfunction, while a sodium level of 143 mEq/L falls within the normal range for adults and does not typically require urgent intervention.
2. A healthcare professional is planning to assess the abdomen of a client who reports feeling bloated for several weeks. Which of the following methods of assessment should the healthcare professional use first?
- A. Inspection
- B. Palpation
- C. Auscultation
- D. Percussion
Correct answer: A
Rationale: Inspection is the initial step in abdominal assessment as it allows the healthcare professional to visually observe any abnormalities or signs of bloating. Palpation, auscultation, and percussion are subsequent assessment techniques that follow inspection. Palpation involves feeling for tenderness, masses, or organ enlargement; auscultation is listening for bowel sounds; and percussion is used to assess the density of underlying tissues or detect the presence of fluid or air in the abdomen. In the context of a client reporting bloating, the first step should be visual inspection to gather initial information. Palpation, auscultation, and percussion come after inspection to provide a more comprehensive assessment.
3. A client with a history of asthma presents to the emergency department with difficulty breathing and wheezing. Which of the following is the priority nursing action?
- A. Administer a bronchodilator
- B. Obtain a peak flow reading
- C. Provide supplemental oxygen
- D. Assess the client's respiratory rate
Correct answer: A
Rationale: In a client with a history of asthma experiencing difficulty breathing and wheezing, the priority nursing action is to administer a bronchodilator. This intervention helps relieve bronchospasm and improve the client's breathing. Obtaining a peak flow reading can provide additional information but is not the immediate priority in this situation. Providing supplemental oxygen may be needed but addressing the bronchospasm with a bronchodilator takes precedence. Assessing the client's respiratory rate is important but not as urgent as administering a bronchodilator to address the breathing difficulty.
4. A nurse on the IV team is conducting an in-service education program about the complications of IV therapy. Which of the following statements by an attendee indicates an understanding of the manifestations of infiltration? (Select all that apply.)
- A. “The temperature around the IV site is cooler.”
- B. “The rate of the infusion increases.”
- C. “The skin at the IV site is red.”
- D. “The IV dressing is damp.”
Correct answer: A
Rationale: The correct statement is: 'The temperature around the IV site is cooler.' Cooler temperature around the site is indicative of infiltration, where IV fluid leaks into the surrounding tissue, causing tissue swelling. The other options are incorrect: B) An increase in infusion rate is not a sign of infiltration; instead, it could indicate an issue with the infusion pump or the IV catheter. C) Redness around the IV site is more indicative of infection rather than infiltration. D) A damp IV dressing is more suggestive of a leak in the IV system, not infiltration.
5. The patient diagnosed with athlete's foot (tinea pedis) states that he is relieved because it is only athlete's foot, and it can be treated easily. Which information about this condition should the nurse consider when formulating a response to the patient?
- A. It is contagious with frequent recurrences.
- B. It is most helpful to air-dry feet after bathing.
- C. It is treated with salicylic acid.
- D. It is caused by lice.
Correct answer: A
Rationale: Athlete's foot, also known as tinea pedis, is a contagious fungal infection that can easily spread to other body parts, particularly the hands. It often recurs if not properly treated, making choice A the correct answer. Choices B and C are incorrect because while it is beneficial to air-dry feet after bathing to prevent moisture buildup, athlete's foot is commonly treated with antifungal medications, not salicylic acid. Choice D is incorrect because athlete's foot is caused by a fungal infection, not lice.
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