HESI LPN
HESI Fundamentals Exam Test Bank
1. When should the client administer the inhaler-delivered medication to demonstrate correct use of the inhaler?
- A. Immediately after exhalation.
- B. During the inhalation.
- C. At the end of three inhalations.
- D. Immediately after inhalation.
Correct answer: B
Rationale: The correct answer is B: 'During the inhalation.' Administering the medication while inhaling ensures proper delivery to the lungs. Inhaling the medication allows it to reach the lungs effectively for optimal therapeutic benefit. Choices A, C, and D are incorrect because administering the medication after exhalation or at the end of inhalations may result in improper drug delivery and reduced therapeutic effects.
2. A healthcare provider is preparing to insert an IV catheter into a client's arm before starting IV fluid therapy. Which of the following interventions should the provider implement to prevent infection?
- A. Thread the IV catheter so that the hub rests at the insertion site
- B. Shave excess hair from around the insertion site
- C. Cleanse the site with hydrogen peroxide before IV catheter insertion
- D. Palpate the site carefully just before inserting the IV catheter
Correct answer: A
Rationale: Inserting the IV catheter so that the hub rests at the insertion site reduces the risk of contamination along the length of the catheter. This technique helps prevent introducing microbes into the bloodstream during the catheter insertion process. Shaving excess hair is unnecessary and can increase the risk of skin irritation and infection. Cleansing the site with hydrogen peroxide is outdated as it can cause tissue damage and delay wound healing. Palpating the site just before insertion can introduce bacteria from the skin surface into the insertion site, increasing the risk of infection.
3. What is the most important action for the nurse to take to prevent infection in a client who has just returned from surgery with an indwelling urinary catheter in place?
- A. Change the catheter every 72 hours.
- B. Ensure the catheter tubing is free of kinks.
- C. Clean the perineal area with antiseptic solution daily.
- D. Irrigate the catheter with normal saline every shift.
Correct answer: B
Rationale: The most important action to prevent infection in a client with an indwelling urinary catheter is to ensure the catheter tubing is free of kinks. This action helps prevent obstruction, ensures proper drainage, and reduces the risk of infection. Changing the catheter every 72 hours is not necessary unless clinically indicated and may introduce unnecessary risk. Cleaning the perineal area with antiseptic solution daily is important for general hygiene but not the most critical action for catheter-related infection prevention. Irrigating the catheter with normal saline every shift is not a routine nursing intervention for catheter care and may increase the risk of introducing pathogens.
4. 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.
5. A healthcare professional is preparing to administer dextrose 5% in water (D5W) 1,000-mL IV to infuse over 10 hr. How many mL/hr should the IV infusion pump be set to deliver? (Round the answer to the nearest whole number. Do not use a trailing zero.)
- A. 100 mL/hr
- B. 150 mL/hr
- C. 75 mL/hr
- D. 50 mL/hr
Correct answer: A
Rationale: To infuse 1,000 mL over 10 hr, the IV pump should be set to deliver 100 mL/hr. This calculation is derived by dividing the total volume (1,000 mL) by the total time in hours (10 hr), resulting in the infusion rate of 100 mL/hr. Choices B, C, and D are incorrect as they do not accurately reflect the correct calculation for this scenario.
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