HESI LPN
HESI Fundamentals Exam
1. A nurse is preparing to review medication documentation with a group of newly licensed nurses. Which of the following statements should the nurse manager plan to include in the teaching?
- A. Use the complete name of the medication magnesium sulfate
- B. Maintain the space between the numerical dose and the unit of measure
- C. Note the dosage of insulin in units
- D. Use 'subcut' for indicating a subcutaneous injection
Correct answer: A
Rationale: The correct answer is A. The Institute for Safe Medication Practices recommends using the complete medication name magnesium sulfate when documenting medications to prevent misinterpretation. Choice B is incorrect because spaces should be maintained between the numerical dose and unit of measure for clarity. Choice C is incorrect as the standard notation for insulin dosage is in units, not using the letter U. Choice D is incorrect as the abbreviation for subcutaneous injection is commonly written as 'subcut' or 'subcutaneous,' not as SC.
2. A client with a diagnosis of Methicillin-resistant Staphylococcus aureus (MRSA) has died. Which type of precautions is the appropriate type to use when performing postmortem care?
- A. Airborne precautions
- B. Droplet precautions
- C. Contact precautions
- D. Compromised host precautions
Correct answer: C
Rationale: Contact precautions are necessary when performing postmortem care on a client with MRSA to prevent the spread of infection. Contact precautions involve using barriers like gloves and gowns to limit direct contact with the deceased individual's body fluids and tissues. Airborne precautions are used for pathogens that are transmitted through the air, like tuberculosis. Droplet precautions are for pathogens that are transmitted through respiratory droplets, such as influenza. Compromised host precautions are not a recognized standard precaution type and are not applicable in this scenario.
3. A 3-year-old child diagnosed with celiac disease attends a daycare center. Which of the following would be an appropriate snack?
- A. Cheese crackers
- B. Peanut butter sandwich
- C. Potato chips
- D. Vanilla cookies
Correct answer: C
Rationale: The correct answer is potato chips. As a child with celiac disease needs to avoid gluten, potato chips are a suitable snack choice as they are typically gluten-free. Cheese crackers (Choice A) and vanilla cookies (Choice D) contain gluten, which should be avoided by individuals with celiac disease. While peanut butter sandwiches (Choice B) could be gluten-free depending on the bread used, it is not the best choice as cross-contamination is a concern in shared environments like daycare centers.
4. The healthcare professional is caring for a client with a peripheral intravenous (IV) line that has infiltrated. What is the most appropriate initial action for the healthcare professional to take?
- A. Apply a warm compress to the affected area.
- B. Discontinue the IV and restart it in another site.
- C. Aspirate the IV line and flush it with normal saline.
- D. Notify the healthcare provider immediately.
Correct answer: B
Rationale: The correct initial action when an IV line infiltrates is to discontinue the IV and restart it in another site. This is crucial to prevent complications such as tissue damage, phlebitis, and infection that can result from the infiltration. Applying a warm compress (Choice A) is not recommended as it can exacerbate the tissue damage caused by the infiltration. Aspirating the IV line and flushing it with normal saline (Choice C) is not appropriate for an infiltrated IV line as it does not address the main issue of infiltration. While notifying the healthcare provider (Choice D) is important, the immediate priority is to discontinue the infiltrated IV to prevent further harm and ensure proper delivery of fluids or medications.
5. When admitting a 5-month-old who has vomited 9 times in the past 6 hours, what should the healthcare provider observe for signs of which overall imbalance?
- A. Metabolic acidosis
- B. Metabolic alkalosis
- C. Increased serum hemoglobin levels
- D. Decreased serum potassium levels
Correct answer: B
Rationale: When a 5-month-old infant vomits multiple times, there is a risk of developing metabolic alkalosis due to the loss of stomach acid. Metabolic alkalosis is characterized by elevated pH and bicarbonate levels. It is caused by the loss of hydrogen ions from the body, often through vomiting. Metabolic acidosis (choice A) is unlikely in this scenario because it is more commonly associated with conditions like renal failure or diabetic ketoacidosis. Choice C, increased serum hemoglobin levels, is not typically a direct consequence of vomiting. Choice D, decreased serum potassium levels, may occur with vomiting but is not the primary concern when a patient is vomiting excessively.
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