HESI LPN
HESI Fundamental Practice Exam
1. A healthcare professional is preparing to insert an IV catheter into a client’s arm prior to initiating IV fluid therapy. Which of the following interventions should the healthcare professional implement to prevent infection?
- A. Thread the catheter up to the hub
- B. Use a sterile technique throughout the procedure
- C. Clean the insertion site with alcohol only
- D. Use gloves but not a mask during the procedure
Correct answer: B
Rationale: Using a sterile technique throughout the procedure is essential to prevent infection when inserting an IV catheter. This includes maintaining aseptic conditions, using sterile equipment, and following proper hand hygiene practices. Choice A is incorrect because threading the catheter up to the hub does not specifically address infection prevention. Choice C is incorrect as cleaning the insertion site with alcohol only may not provide adequate disinfection, as it is essential to use an antiseptic solution to reduce microbial load. Choice D is incorrect as wearing gloves alone is not sufficient protection against infection; a mask should also be worn to prevent the spread of microorganisms through respiratory secretions.
2. A client has restraints on each extremity. Which of the following assessments should the nurse perform first?
- A. Peripheral pulses
- B. Comfort level
- C. Elimination needs
- D. Skin integrity
Correct answer: A
Rationale: When a client is restrained, the nurse should prioritize assessing peripheral pulses first. This assessment is crucial to monitor circulation and ensure the restraints are not impeding blood flow. Comfort level, elimination needs, and skin integrity are also important assessments; however, assessing peripheral pulses takes precedence to prevent complications such as impaired circulation and tissue damage. By assessing peripheral pulses initially, the nurse can promptly identify and address any circulation issues, which are critical in preventing serious complications.
3. A client with a diagnosis of myocardial infarction (MI) is being treated. Which laboratory value would be most concerning?
- A. Troponin level of 0.5 ng/mL
- B. Creatine kinase-MB (CK-MB) of 5.0 ng/mL
- C. Serum potassium of 4.5 mEq/L
- D. Blood glucose of 180 mg/dL
Correct answer: A
Rationale: A troponin level of 0.5 ng/mL is elevated, indicating myocardial damage, making it the most concerning finding in a client with a myocardial infarction (MI). Troponin is a highly specific marker for cardiac muscle damage, and elevated levels suggest ongoing injury to the heart muscle. While Creatine kinase-MB (CK-MB) is also a cardiac enzyme, troponin is more specific and sensitive for myocardial damage. Serum potassium and blood glucose levels are important parameters to monitor in MI patients, but in this scenario, the elevated troponin level takes precedence as it directly reflects cardiac injury.
4. The nurse is assessing a 17-year-old female client with bulimia. Which of the following laboratory reports would the nurse anticipate?
- A. Increased serum glucose
- B. Decreased albumin
- C. Decreased potassium
- D. Increased sodium retention
Correct answer: C
Rationale: The correct answer is C, 'Decreased potassium.' Clients with bulimia often have decreased potassium levels due to frequent vomiting, which causes a loss of this essential electrolyte. This loss can lead to various complications such as cardiac arrhythmias. Option A, 'Increased serum glucose,' is not typically associated with bulimia. Option B, 'Decreased albumin,' is more related to malnutrition or liver disease rather than bulimia. Option D, 'Increased sodium retention,' is not a common finding in clients with bulimia; instead, they may experience electrolyte imbalances like hyponatremia due to purging behaviors.
5. A client with a history of peptic ulcer disease is admitted with abdominal pain. Which finding should the LPN/LVN report to the healthcare provider immediately?
- A. Positive bowel sounds
- B. Rebound tenderness
- C. Increased appetite
- D. Elevated temperature
Correct answer: D
Rationale: Elevated temperature is the correct finding to report immediately in a client with a history of peptic ulcer disease and abdominal pain. This could indicate a perforation or worsening of the condition, requiring prompt medical attention. Positive bowel sounds (Choice A) are a normal finding and not a cause for concern. Rebound tenderness (Choice B) is concerning but does not require immediate attention compared to an elevated temperature. Increased appetite (Choice C) is not a red flag symptom for peptic ulcer disease and can be considered a positive sign, not requiring immediate attention.
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