HESI LPN
HESI Fundamentals Exam
1. A client with diabetes mellitus is learning to self-administer insulin. Which action by the client indicates the need for further teaching?
- A. The client rotates injection sites on the abdomen.
- B. The client draws up the insulin dose after warming the vial to room temperature.
- C. The client pinches the skin before injecting the insulin.
- D. The client injects the insulin at a 90-degree angle.
Correct answer: B
Rationale: Drawing up insulin after warming the vial to room temperature indicates a need for further teaching, as insulin should be at room temperature for administration. Choice A is correct as rotating injection sites helps prevent lipodystrophy. Choice C is correct as pinching the skin helps ensure proper subcutaneous injection. Choice D is correct as injecting insulin at a 90-degree angle is the recommended technique for subcutaneous injections.
2. In an emergency department, a nurse is assessing a client who reports right lower quadrant pain, nausea, and vomiting for the past 48 hours. Which of the following actions should the nurse take first?
- A. Auscultate bowel sounds.
- B. Administer an antiemetic.
- C. Offer pain medication.
- D. Palpate the abdomen.
Correct answer: A
Rationale: The correct action the nurse should take first is to auscultate bowel sounds. This step is crucial to assess bowel activity before proceeding with palpation or administering medications. Assessing bowel sounds can provide valuable information about bowel motility and potential obstructions. Administering an antiemetic or offering pain medication may be necessary but should come after assessing bowel sounds to ensure appropriate treatment. Palpating the abdomen should be avoided initially to prevent potential discomfort or complications, especially if there is suspected abdominal pathology.
3. A nurse observes smoke coming from under the door of the staff lounge. Which of the following actions is the nurse's priority?
- A. Extinguish the fire.
- B. Activate the fire alarm.
- C. Move clients who are nearby.
- D. Close all open doors on the unit.
Correct answer: B
Rationale: In a fire emergency, the nurse's priority is to activate the fire alarm. This action alerts others to the emergency, initiates the evacuation process, and ensures everyone's safety. Extinguishing the fire can be dangerous and should be left to trained personnel. Moving clients who are nearby might delay the activation of the alarm and can put the nurse and clients at risk. Closing all open doors on the unit is important to contain the fire but should not take precedence over alerting others through the fire alarm system.
4. A client with diabetes mellitus is being taught by a nurse about mixing regular and NPH insulin. Which of the following statements by the client indicates an understanding of the teaching?
- A. I should roll the NPH vial between my hands before drawing it up.
- B. I should draw up the NPH insulin before the regular insulin.
- C. I should inject air into the vial of regular insulin first.
- D. I should wait 10 minutes after mixing the insulin to inject it.
Correct answer: A
Rationale: The correct answer is A. Rolling the NPH vial between the hands before drawing it up ensures proper mixing of the insulin. Choice B is incorrect because regular insulin should be drawn up first to avoid contamination. Choice C is incorrect as injecting air into the vial of regular insulin is not necessary. Choice D is incorrect as there is no need to wait 10 minutes after mixing the insulin before injecting it.
5. A client is receiving discharge teaching about a new prescription for digoxin (Lanoxin). Which statement by the client indicates a need for further teaching?
- A. I should avoid foods high in potassium while taking this medication.
- B. I will check my pulse before taking the medication.
- C. I should avoid taking antacids simultaneously with this medication.
- D. I will take the medication at the same time every day.
Correct answer: A
Rationale: The correct answer is A because clients taking digoxin should avoid foods high in potassium. High potassium levels can potentiate the effects of digoxin, leading to toxicity. Choices B, C, and D are correct statements regarding digoxin administration. Checking the pulse before taking the medication helps monitor for signs of digoxin toxicity. Avoiding taking antacids simultaneously prevents interactions that may reduce digoxin absorption. Taking the medication at the same time every day helps maintain a consistent blood level, ensuring optimal therapeutic effects.
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