a client with acute renal failure arf is admitted for uncontrolled type 1 diabetes mellitus and hyperkalemia the nurse administers an iv dose of regul
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Nursing Elites

HESI LPN

CAT Exam Practice

1. A client with acute renal failure (ARF) is admitted for uncontrolled type 1 diabetes mellitus and hyperkalemia. The nurse administers an IV dose of regular insulin per sliding scale. Which intervention is the most important for the nurse to include in this client’s plan of care?

Correct answer: A

Rationale: Monitoring cardiac activity is crucial in this scenario because hyperkalemia can lead to serious cardiac dysrhythmias, which can be life-threatening. Regular monitoring of the client’s cardiac activity via telemetry allows for early detection of any potential cardiac complications. Maintaining venous access with a normal saline infusion is important for hydration but does not address the immediate risk of cardiac dysrhythmias posed by hyperkalemia. Assessing glucose levels is essential in diabetes management but is not the priority when dealing with hyperkalemia-induced cardiac risks. Evaluating hourly urine output for the return of normal renal function is important in ARF but is not as urgent as monitoring the client's cardiac activity in the context of hyperkalemia.

2. The nurse is making assignments for a new graduate from a practical nursing program who is orienting to the unit. Because the unit is particularly busy this day, there will be little time to provide supervision of this new employee. Which client is the best for the nurse to assign this newly graduate practical nurse? A client

Correct answer: A

Rationale: The correct answer is option A because this client is the most stable and requires less supervision. Assigning a client whose discharge has been delayed due to a postoperative infection to the newly graduate practical nurse would be appropriate during a busy day as they are likely to need routine care and monitoring rather than immediate intensive interventions. Option B involves a client with poorly controlled type 2 diabetes on a sliding scale for insulin administration, which requires close monitoring and prompt intervention, making it a less suitable assignment for a new graduate who may need more guidance. Option C, a newly admitted patient with a head injury requiring frequent assessments, would demand a higher level of vigilance and expertise, which may be challenging for a new graduate nurse to handle without adequate supervision. Option D, a patient receiving IV heparin regulated based on protocol, involves complex medication management that may be too advanced for a new graduate nurse without sufficient oversight.

3. A client presents to the healthcare provider with fatigue, poor appetite, general malaise, and vague joint pain that improves mid-morning. The client has been using over-the-counter ibuprofen for several months. The healthcare provider makes an initial diagnosis of rheumatoid arthritis (RA). Which laboratory test should the nurse report to the healthcare provider?

Correct answer: A

Rationale: The correct answer is A: Sedimentation rate. Sedimentation rate, Anti–CCP antibodies, and C-reactive protein are commonly used laboratory tests to indicate inflammation and help diagnose rheumatoid arthritis. An elevated sedimentation rate is a nonspecific indicator of inflammation in the body, which is often seen in RA. White blood cell count is not specific for RA and is not typically significant in the diagnosis. Anti–CCP antibodies are specific to RA and are useful in confirming the diagnosis. Activated Clotting Time is not relevant to the diagnosis of rheumatoid arthritis as it is not specific to this condition.

4. After witnessing a preoperative client sign the surgical consent form, what are the legal implications of the nurse's signature on the client's form as a witness?

Correct answer: C

Rationale: The nurse's signature on the consent form signifies that the client is competent to sign the consent without impairment of judgment. This legal implication ensures that the client possesses the necessary capacity to make decisions about their healthcare. Choice A is incorrect because the nurse's signature does not imply the client's voluntary permission for the procedure. Choice B is incorrect as it pertains to the surgeon's responsibility, not the nurse's. Choice D is incorrect as the nurse's signature does not confirm the client's understanding of the risks and benefits associated with the procedure.

5. After implementing a new fall prevention protocol on the nursing unit, which action by the nurse-manager best evaluates the protocol’s effectiveness?

Correct answer: A

Rationale: The best way to evaluate the effectiveness of a new fall prevention protocol is by comparing the number of falls that occurred before and after its implementation. This direct comparison helps in assessing the impact of the protocol on reducing fall rates. Choices B, C, and D do not directly measure the effectiveness of the protocol. Analyzing costs incurred (Choice B), conducting a chart review (Choice C), or consulting with a physical therapist (Choice D) may provide valuable information but do not specifically evaluate the protocol's effectiveness in preventing falls.

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