HESI LPN
HESI Fundamentals Study Guide
1. A healthcare professional is preparing to administer enoxaparin subcutaneously to a client. Which of the following actions should the healthcare professional take?
- A. Administer the medication with the needle at a 45-degree angle.
- B. Administer the medication with the needle at a 90-degree angle.
- C. Inject the medication into the muscle.
- D. Pinch the skin before injecting.
Correct answer: B
Rationale: Enoxaparin is a medication that is administered subcutaneously, which means it should be injected into the fatty tissue layer beneath the skin. Administering enoxaparin at a 90-degree angle ensures proper absorption and reduces the risk of injecting the medication into muscle tissue, which could affect its effectiveness. Injecting the medication at a 45-degree angle may lead to improper absorption as it may not reach the subcutaneous tissue adequately. Injecting the medication into the muscle instead of subcutaneously can alter the absorption rate and therapeutic effects. Pinching the skin before injecting is not necessary for administering enoxaparin subcutaneously and may cause unnecessary discomfort to the client.
2. A nurse is caring for a group of clients on a medical-surgical unit. In which of the following situations does the nurse demonstrate the ethical principle of veracity?
- A. A client unaware of her recent cancer diagnosis asks the nurse if she has cancer, and the nurse responds affirmatively.
- B. The nurse avoids discussing the client's diagnosis to prevent emotional distress.
- C. The nurse provides a vague answer about the client's condition.
- D. The nurse promises to provide information only if it is requested by the client.
Correct answer: A
Rationale: Veracity involves telling the truth, a fundamental ethical principle in healthcare. In this scenario, the nurse demonstrates veracity by responding honestly when the client directly asks about her cancer diagnosis. Choice B is incorrect as avoiding discussing the diagnosis to prevent emotional distress does not align with veracity and transparency. Choice C is incorrect as providing a vague answer does not uphold the principle of truthfulness. Choice D is incorrect because promising to provide information only upon client request does not address the immediate question about the cancer diagnosis and lacks transparency.
3. The healthcare provider retrieves hydromorphone 4mg/mL from the Pyxis MedStation, an automated dispensing system, for a client who is receiving hydromorphone 3 mg IM every 6 hours PRN for severe pain. How many mL should the healthcare provider administer to the client?
- A. 0.75 mL
- B. 1 mL
- C. 0.8 mL
- D. 1.2 mL
Correct answer: C
Rationale: The correct dosage calculation is to divide the prescribed dose by the concentration of the medication to determine the volume needed. In this case, 3 mg (prescribed dose) divided by 4 mg/mL (concentration) equals 0.75 mL. Therefore, the healthcare provider should administer 0.75 mL of hydromorphone to the client. Choices A, B, and D are incorrect because they do not accurately calculate the required volume based on the prescription and concentration provided.
4. Which of the following should a group of community health nurses plan as part of a primary prevention program for occupational pulmonary diseases?
- A. Screening for early symptoms
- B. Providing treatment for diagnosed conditions
- C. Elimination of the exposure
- D. Increasing awareness of symptoms
Correct answer: C
Rationale: The correct answer is C: 'Elimination of the exposure.' Primary prevention programs for occupational pulmonary diseases aim to prevent the development of these diseases by eliminating or minimizing exposure to harmful substances in the workplace. Screening for early symptoms (Choice A) focuses on secondary prevention, detecting diseases at an early stage. Providing treatment for diagnosed conditions (Choice B) is part of tertiary prevention, managing and treating established diseases. Increasing awareness of symptoms (Choice D) may help in early detection but does not directly address the prevention of exposure, which is crucial for primary prevention of occupational pulmonary diseases.
5. The healthcare provider is caring for a client with a wound infection. Which type of dressing is most appropriate to use to promote healing by secondary intention?
- A. Dry gauze dressing
- B. Wet-to-dry dressing
- C. Transparent film dressing
- D. Hydrocolloid dressing
Correct answer: D
Rationale: Hydrocolloid dressings are ideal for promoting healing by secondary intention in wound infections. These dressings create a moist environment that supports autolytic debridement and facilitates the healing process. Dry gauze dressings (Option A) may lead to adherence, causing trauma upon removal and disrupting the wound bed. Wet-to-dry dressings (Option B) are primarily used for mechanical debridement and can be painful during dressing changes. Transparent film dressings (Option C) are more suitable for superficial wounds with minimal exudate and are not typically used for wound infections requiring healing by secondary intention.
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