HESI LPN
HESI Practice Test for Fundamentals
1. The client is advised to take dexamethasone (Decadron) with food or milk. What is the physiological basis for this advice?
- A. Inhibits pepsin production
- B. Stimulates hydrochloric acid production
- C. Delays stomach emptying time
- D. Reduces hydrochloric acid production
Correct answer: B
Rationale: The correct answer is B: Stimulates hydrochloric acid production. Dexamethasone can stimulate the production of hydrochloric acid in the stomach, which may lead to irritation of the stomach lining. Taking dexamethasone with food or milk helps to neutralize or buffer the acid, reducing the risk of stomach irritation. Choice A is incorrect because dexamethasone does not inhibit pepsin production. Choice C is incorrect as dexamethasone does not slow stomach emptying time. Choice D is incorrect as dexamethasone does not reduce hydrochloric acid production.
2. A client requires an NG tube for stomach decompression. Which of the following actions should the nurse take when inserting the NG tube?
- A. Help the client take sips of water to promote insertion of the NG tube.
- B. Insert the tube without asking the client to swallow.
- C. Advance the tube continuously without pausing.
- D. Use a large-bore tube for insertion.
Correct answer: A
Rationale: The correct action when inserting an NG tube is to help the client take sips of water. This helps facilitate the insertion of the tube by promoting swallowing and passage through the esophagus. Asking the client to swallow assists in guiding the tube into the stomach. Inserting the tube without asking the client to swallow may lead to incorrect placement or discomfort. Advancing the tube continuously without pausing can cause the tube to coil in the esophagus, leading to complications. Using a large-bore tube for insertion is unnecessary and may increase the risk of injury or discomfort for the client.
3. A client scheduled for arthroplasty expresses concern about the risk of acquiring an infection from a blood transfusion. Which of the following statements should the nurse make to the client?
- A. Donate autologous blood before the surgery
- B. Request a specific blood type from the donor
- C. Use blood from a family member
- D. Accept allogeneic blood without concerns
Correct answer: A
Rationale: The correct statement for the nurse to make to the client is to 'Donate autologous blood before the surgery.' Autologous blood donation involves collecting and storing the client's own blood for potential use during surgery, which significantly reduces the risk of transfusion-related infections. This option directly addresses the client's concern about infection risk. Requesting a specific blood type from a donor (Choice B) is not as effective in reducing infection risk compared to autologous blood donation. Using blood from a family member (Choice C) carries the risk of transfusion reactions and infections due to compatibility issues. Accepting allogeneic blood without concerns (Choice D) does not address the client's specific concern about infection risk and is not the most appropriate option in this situation.
4. A nurse is caring for a client receiving fluid through a peripheral IV catheter. Which of the following findings at the IV site should the nurse identify as infiltration?
- A. purulent exudate
- B. warmth
- C. skin blanching
- D. bleeding
Correct answer: C
Rationale: Infiltration occurs when the IV fluid leaks into the surrounding tissue instead of entering the bloodstream properly. Skin blanching, swelling, and coolness at the IV site are typical signs of infiltration. Purulent exudate (choice A) is associated with infection, warmth (choice B) can indicate phlebitis, and bleeding (choice D) may occur if the IV catheter punctures a blood vessel.
5. While observing a student nurse administering a narcotic analgesic IM injection without aspirating, what should the nurse do?
- A. Ask the student, 'What did you forget to do?'
- B. Stop and explain why aspiration is needed.
- C. Quietly state, 'You forgot to aspirate.'
- D. Walk up and whisper in the student's ear, 'Stop. Aspirate. Then inject.'
Correct answer: D
Rationale: When the nurse observes a student nurse making a mistake during a procedure, such as not aspirating before administering a medication, the nurse should provide immediate, discreet feedback to correct the error. Walking up and whispering in the student's ear to stop, aspirate, and then inject is appropriate as it corrects the mistake while maintaining the student's dignity and confidence. Option A is not as effective as it indirectly addresses the issue. Option B is not the best approach as the student needs immediate correction. Option C is not ideal as loudly stating the mistake may embarrass the student and is not necessary for a discreet correction.
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