HESI LPN
Practice HESI Fundamentals Exam
1. A client with chronic kidney disease is experiencing hyperkalemia. Which medication should the LPN/LVN anticipate being prescribed to lower the client's potassium level?
- A. Furosemide (Lasix)
- B. Sodium polystyrene sulfonate (Kayexalate)
- C. Calcium gluconate
- D. Albuterol (Proventil)
Correct answer: B
Rationale: The correct answer is B: Sodium polystyrene sulfonate (Kayexalate). Kayexalate is commonly used to lower potassium levels in clients with hyperkalemia by exchanging sodium ions for potassium ions in the large intestine, leading to the elimination of excess potassium from the body. Choice A, Furosemide (Lasix), is a loop diuretic that helps with fluid retention but does not directly lower potassium levels. Choice C, Calcium gluconate, is used to treat calcium deficiencies and does not impact potassium levels. Choice D, Albuterol (Proventil), is a bronchodilator used to treat respiratory conditions and does not affect potassium levels. Therefore, the LPN/LVN should anticipate the prescription of Kayexalate to address the client's hyperkalemia.
2. A client with a history of diabetes mellitus is experiencing polyuria, polydipsia, and polyphagia. What is the most important action for the LPN/LVN to take?
- A. Monitor the client's blood glucose level.
- B. Encourage the client to increase fluid intake.
- C. Administer insulin as prescribed.
- D. Assess the client's urine output.
Correct answer: A
Rationale: The most important action for the LPN/LVN to take when a client with a history of diabetes mellitus experiences symptoms of hyperglycemia such as polyuria, polydipsia, and polyphagia is to monitor the client's blood glucose level. This action helps assess the severity of hyperglycemia and guides further interventions. Encouraging the client to increase fluid intake (Choice B) may exacerbate the symptoms by further diluting the blood glucose concentration. Administering insulin as prescribed (Choice C) should be done based on the healthcare provider's orders and after assessing the blood glucose levels. Assessing the client's urine output (Choice D) is important but not the most immediate action needed in this scenario.
3. When caring for a patient diagnosed with diabetes mellitus and circulatory insufficiency, experiencing peripheral neuropathy and urinary incontinence, on which areas does the nurse focus care?
- A. Decreased pain sensation and increased risk of skin impairment
- B. Decreased caloric intake and accelerated wound healing
- C. High risk for skin infection and low saliva pH level
- D. High risk for impaired venous return and dementia
Correct answer: A
Rationale: The nurse should focus on decreased pain sensation and increased risk of skin impairment due to the patient's conditions. Peripheral neuropathy can lead to decreased pain sensation, making the patient more prone to injuries without realizing it. Additionally, the combination of circulatory insufficiency, peripheral neuropathy, and urinary incontinence can increase the risk of skin breakdown and impaired healing. Choices B, C, and D are incorrect because they do not address the specific issues related to the patient's diagnoses and symptoms.
4. If a security officer is reviewing actions to take in the event of a bomb threat by phone to a group of nurses, which statement by a nurse indicates understanding?
- A. “I will get the caller off the phone as soon as possible so I can alert the staff.”
- B. “I will begin evacuating clients using the elevators.”
- C. “I will not ask any questions and just let the caller talk.”
- D. “I will listen for background noises.”
Correct answer: D
Rationale: The correct answer is D: “I will listen for background noises.” Listening for background noises can provide useful information about the bomb’s location, helping security to assess the situation more effectively. Choice A is incorrect because disconnecting the call abruptly may prevent gathering important details. Choice B is incorrect as using elevators during a bomb threat can be dangerous; it is safer to use stairs for evacuation. Choice C is incorrect because actively engaging with the caller to gather information is crucial in bomb threat situations.
5. 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.
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