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 postoperative client has been diagnosed with paralytic ileus. When performing auscultation of the client’s abdomen, the nurse expects the bowel sounds to be:
- A. Absent
- B. Hyperactive
- C. Normal
- D. Hypoactive
Correct answer: A
Rationale: In paralytic ileus, bowel sounds are typically absent or significantly reduced due to decreased motility of the intestines. This absence of bowel sounds is a key characteristic used in diagnosing paralytic ileus. Hyperactive bowel sounds are not expected in this condition as there is a lack of normal peristalsis. Normal bowel sounds would not be present in paralytic ileus, and hypoactive bowel sounds, which indicate decreased bowel motility, are more commonly associated with conditions like postoperative ileus or constipation, rather than paralytic ileus.
3. A client has Clostridium difficile and is in contact isolation. Which of the following actions should the nurse take?
- A. Wear gloves when changing the client's gown.
- B. Use hand sanitizer after contact with the client.
- C. Wear a mask when entering the client's room.
- D. Clean the room with a disinfectant spray.
Correct answer: A
Rationale: The correct action for the nurse to take when caring for a client with Clostridium difficile in contact isolation is to wear gloves when changing the client's gown. Clostridium difficile is highly transmissible, and wearing gloves helps prevent the spread of the infection. Using hand sanitizer after contact with the client (Choice B) is not enough to prevent the transmission of C. difficile, as the spores can persist and spread. Wearing a mask when entering the client's room (Choice C) is not necessary for C. difficile transmission, which primarily occurs through contact with contaminated surfaces. Cleaning the room with a disinfectant spray (Choice D) is important, but wearing gloves during direct care is the priority to prevent the nurse from acquiring and spreading the infection.
4. The patient has been in bed for several days and needs to be ambulated. Which action will the nurse take first?
- A. Maintain a narrow base of support.
- B. Dangle the patient at the bedside.
- C. Encourage isometric exercises.
- D. Suggest a high-calcium diet.
Correct answer: B
Rationale: The correct action the nurse should take first when a patient needs to be mobilized after being in bed for several days is to dangle the patient at the bedside. Dangling at the bedside is the initial step to assess the patient's tolerance to sitting up and moving. It helps prevent orthostatic hypotension and allows the nurse to evaluate the patient's response to upright positioning before attempting further ambulation. Maintaining a narrow base of support (Choice A) is related to assisting with ambulation but is not the first step. Encouraging isometric exercises (Choice C) and suggesting a high-calcium diet (Choice D) are not immediate actions needed to initiate mobilization in this scenario.
5. While documenting in a client’s medical record, which of the following entries should the nurse record?
- A. “Incision without redness or drainageâ€
- B. “Drank adequate amounts of fluid with mealsâ€
- C. “Administered pain medicationâ€
- D. “Oral temperature slightly elevated at 0800â€
Correct answer: D
Rationale: The correct answer is D because documenting specific observations, such as an oral temperature being slightly elevated at a specific time, is crucial for monitoring the client's health status accurately. This type of information helps in assessing trends and changes in the client's condition over time. Choice A is incorrect as it lacks specificity and does not provide measurable data about the client's condition. Choice B is incorrect because it is a general statement related to client behavior rather than a specific health observation. Choice C is incorrect as it reflects an action taken by the nurse and not a direct client's condition or observation.
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