HESI LPN
HESI Fundamentals 2023 Test Bank
1. During an IV catheter insertion demonstration, which statement by a nurse indicates understanding of the procedure?
- A. “I will thread the needle into the vein at an angle of 10 to 30 degrees with the bevel up.â€
- B. “I will insert the needle into the client’s skin at an angle of 10 to 30 degrees with the bevel up.â€
- C. “I will apply pressure approximately 1.2 inches below the insertion site before removing the needle.â€
- D. “I will select a vein in the antecubital fossa for IV insertion based on its size and easily accessible location.â€
Correct answer: B
Rationale: The correct technique for IV catheter insertion involves inserting the needle at a 10 to 30-degree angle with the bevel up. This angle facilitates proper vein puncture, reduces the risk of complications, and minimizes trauma to the vein. Choice A is incorrect because threading the needle into the vein at an angle of 10 to 30 degrees with the bevel up is the correct technique, not threading it all the way into the vein. Choice C is incorrect because applying pressure 1.2 inches below the insertion site before removing the needle is not a standard step in IV catheter insertion. Choice D is incorrect because selecting the antecubital fossa vein solely based on its size and accessibility may not be the most appropriate criterion; vein selection should also consider factors like vein condition and patient comfort.
2. A healthcare professional is admitting a client who has influenza. Which of the following types of transmission precautions should the healthcare professional initiate?
- A. Airborne
- B. Droplet
- C. Contact
- D. Protective environment
Correct answer: B
Rationale: Droplet precautions should be initiated for clients with infections that spread via droplet nuclei larger than 5 microns in diameter, such as influenza, rubella, meningococcal pneumonia, and streptococcal pharyngitis. In the case of influenza, the virus is primarily spread through respiratory droplets produced when an infected person coughs, sneezes, or talks. Airborne precautions are used for pathogens that remain infectious over long distances, typically smaller than 5 microns, like tuberculosis. Contact precautions are for diseases transmitted by direct or indirect contact, and protective environment precautions are for immunocompromised individuals to protect them from environmental pathogens.
3. A healthcare professional is administering 1 L of 0.9% sodium chloride to a client who is postoperative and has fluid-volume deficit. Which of the following changes should the healthcare professional identify as an indication that the treatment was successful?
- A. Increase in hematocrit
- B. Increase in respiratory rate
- C. Decrease in heart rate
- D. Decrease in capillary refill time
Correct answer: C
Rationale: Fluid-volume deficit causes tachycardia. With correction of the imbalance, the heart rate should return to the expected range. An increase in hematocrit (Choice A) would indicate hemoconcentration, not a successful fluid replacement. An increase in respiratory rate (Choice B) could indicate respiratory distress or hypoxia, not improvement in fluid volume status. A decrease in capillary refill time (Choice D) may indicate improved peripheral perfusion but is not a direct indicator of fluid replacement success.
4. A child weighing 20 kg has a new prescription for cefoxitin at 80 mg/kg/day administered intravenously every 6 hours. How much cefoxitin should be administered with each dose?
- A. 400 mg
- B. 200 mg
- C. 1600 mg
- D. 100 mg
Correct answer: A
Rationale: To determine the amount of cefoxitin to be administered with each dose, first, calculate the total daily dose by multiplying the child's weight (20 kg) by the prescribed dose (80 mg/kg/day): 80 mg/kg/day × 20 kg = 1600 mg/day. Since the medication is administered every 6 hours (4 doses/day), divide the total daily dose by the number of doses: 1600 mg / 4 = 400 mg. Therefore, each dose should be 400 mg. Choice B (200 mg) is incorrect because it is half the calculated dose. Choice C (1600 mg) is incorrect as it represents the total daily dose, not the dose per administration. Choice D (100 mg) is incorrect as it is a quarter of the calculated dose.
5. When teaching a client and their family how to care for the client’s tracheostomy at home, which of the following should the nurse include?
- A. Use tracheostomy covers when outdoors
- B. Maintain a sterile technique when performing tracheostomy care
- C. Do not remove the outer cannula for routine cleaning
- D. Clean around the stoma with normal saline solution
Correct answer: A
Rationale: The correct answer is to use tracheostomy covers when outdoors. This practice helps protect the stoma from foreign particles and temperature changes, reducing the risk of infection. Maintaining a sterile technique when performing tracheostomy care (choice B) is important to prevent infections but is not specific to outdoor care. Removing the outer cannula for routine cleaning (choice C) is not recommended as it may cause trauma or dislodgment of the tracheostomy tube. Cleaning around the stoma with povidone-iodine (choice D) is not advisable as it can be irritating to the skin and may impair the healing process.
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