HESI LPN
HESI Fundamentals Exam
1. A client with iron-deficiency anemia asks a nurse why the Z-track method is necessary for administering iron dextran. Which response should the nurse provide?
- A. It decreases the risk of injecting medication into a blood vessel.
- B. It delays medication absorption.
- C. It minimizes tissue irritation.
- D. It accelerates medication excretion.
Correct answer: C
Rationale: The Z-track method is used to minimize tissue irritation by sealing the medication in the muscle. This technique helps prevent leakage of the medication into subcutaneous tissue, reducing the risk of irritation and staining at the injection site. Option A about decreasing the risk of injecting medication into a blood vessel is not correct as the primary purpose of the Z-track method is to prevent tissue irritation. Option B stating it delays medication absorption is incorrect as the Z-track method does not affect the rate of medication absorption. Option D mentioning it accelerates medication excretion is incorrect as the Z-track method does not impact medication excretion but rather focuses on minimizing tissue irritation.
2. When administering otic ear medication to an adult client, what action should be done to ensure the medication reaches the inner ear?
- A. Press gently on the tragus of the client’s ear.
- B. Pull the ear lobe up and back.
- C. Insert the medication deeply into the ear canal.
- D. Massage the ear gently after administering the medication.
Correct answer: A
Rationale: The correct action to ensure the medication reaches the inner ear is to press gently on the tragus of the client’s ear. The tragus is the small pointed eminence of the external ear, and pressing on it helps direct the medication deeper into the ear canal. Pulling the ear lobe up and back (Choice B) is the correct technique for administering eardrops to a child, not an adult. Inserting the medication deeply into the ear canal (Choice C) can cause injury or discomfort as the eardrops are designed to flow into the ear canal naturally. Massaging the ear gently after administering the medication (Choice D) is unnecessary and may not help the medication reach the inner ear effectively.
3. A nurse is preparing to administer 0.5 mL of oral single-dose liquid medication to a client. Which of the following actions should the nurse take?
- A. Gently shake the container of medication prior to administration
- B. Transfer the medication to a medicine cup
- C. Place the client in a semi-Fowler’s position for medication administration
- D. Verify the dosage by measuring the liquid before administering it
Correct answer: A
Rationale: The correct action for the nurse to take is to gently shake the container of liquid medication before administration. Shaking the container ensures proper mixing of the medication, which is important to maintain uniformity of the dose. Transferring the medication to a medicine cup (choice B) may not be necessary for a small volume like 0.5 mL. Placing the client in a semi-Fowler's position (choice C) is not directly related to administering liquid medication orally. Verifying the dosage by measuring the liquid (choice D) is important but does not address the specific action needed to prepare the medication for administration.
4. A client who is postoperative is being taught how to use a flow-oriented incentive spirometer. Which of the following instructions should be included by the nurse?
- A. Cough deeply after each use.
- B. Take a deep breath and hold for 10 seconds.
- C. Breathe in slowly and deeply to raise the ball or piston.
- D. Exhale forcefully before using the spirometer.
Correct answer: C
Rationale: The correct technique for using a flow-oriented incentive spirometer involves breathing in slowly and deeply to raise the ball or piston. This action helps to expand the lungs and improve lung function. Option A is incorrect as coughing deeply after each use is not part of using the spirometer. Option B is incorrect as holding the breath for 10 seconds is not the correct instruction for using the spirometer. Option D is incorrect as exhaling forcefully before using the spirometer is not the appropriate step in using this device.
5. The LPN/LVN is caring for a client with chronic obstructive pulmonary disease (COPD) who is receiving oxygen therapy. Which observation indicates that the client is experiencing oxygen toxicity?
- A. Nasal congestion
- B. Cough
- C. Sore throat
- D. Fatigue
Correct answer: C
Rationale: The correct answer is 'C: Sore throat.' Oxygen toxicity can manifest with symptoms like a sore throat, cough, chest pain, difficulty breathing, and fatigue. However, a sore throat can be an early indicator of oxygen toxicity and should prompt immediate attention. Nasal congestion, cough, and fatigue are not specific indicators of oxygen toxicity but could be related to other factors in a client with COPD receiving oxygen therapy.
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