HESI RN
HESI Fundamentals Practice Exam
1. A client with a diagnosis of hyperkalemia is receiving sodium polystyrene sulfonate (Kayexalate). Which laboratory value should the nurse monitor to evaluate the effectiveness of this medication?
- A. Serum sodium level.
- B. Serum potassium level.
- C. Serum calcium level.
- D. Serum glucose level.
Correct answer: B
Rationale: The correct answer is B: Serum potassium level. Sodium polystyrene sulfonate (Kayexalate) is used to treat hyperkalemia by exchanging sodium ions for potassium ions in the intestines, leading to potassium removal from the body. Monitoring the serum potassium level allows the nurse to assess the effectiveness of this medication in lowering the elevated potassium levels. Serum sodium (A), calcium (C), and glucose (D) levels are not directly impacted by the action of sodium polystyrene sulfonate.
2. Prior to Mr. Landon undergoing a tracheostomy, what is the top nursing priority?
- A. Shaving the neck.
- B. Establishing a means of communication.
- C. Inserting a Foley catheter.
- D. Starting an IV.
Correct answer: B
Rationale: Before Mr. Landon undergoes a tracheostomy, the top nursing priority is to establish a means of communication. This is essential to ensure that Mr. Landon can effectively communicate his needs during and after the procedure. Shaving the neck (Choice A) may be necessary for the tracheostomy but is not the top priority. Inserting a Foley catheter (Choice C) and starting an IV (Choice D) are important nursing interventions but are not the priority before a tracheostomy procedure, where communication is key for patient safety and comfort.
3. Which client care task requires the nurse to wear barrier gloves as mandated by the Standard Precautions protocol?
- A. Removing the empty food tray from a client with a urinary catheter.
- B. Washing and combing the hair of a client with a fractured leg in traction.
- C. Administering oral medications to a cooperative client with a wound infection.
- D. Emptying the urinary catheter drainage bag for a client with Alzheimer's disease.
Correct answer: D
Rationale: The correct answer is D because emptying a urinary catheter drainage bag exposes the nurse to body fluids, necessitating the use of barrier gloves as per Standard Precautions to prevent potential infection transmission.
4. After informing an older client that an IV line needs to be inserted, the client becomes very apprehensive, loudly expressing a dislike for all healthcare providers and nurses. How should the nurse respond?
- A. Ask the client to remain quiet so the procedure can be performed safely.
- B. Concentrate on completing the insertion as efficiently as possible.
- C. Calmly reassure the client that the discomfort will be temporary.
- D. Tell the client a joke as a means of distraction from the procedure.
Correct answer: C
Rationale: In this situation, the nurse should respond by calmly reassuring the client that the discomfort from the IV insertion will be temporary. By providing reassurance and addressing the client's concerns, the nurse can help reduce the client's apprehension and create a more supportive environment for the procedure.
5. When caring for an immobile client, what nursing diagnosis has the highest priority?
- A. Risk for fluid volume deficit.
- B. Impaired gas exchange.
- C. Risk for impaired skin integrity.
- D. Altered tissue perfusion.
Correct answer: B
Rationale: When caring for an immobile client, the nursing diagnosis with the highest priority is impaired gas exchange. This is because impaired gas exchange implies difficulty with breathing, which is essential for sustaining life. Adequate oxygenation is crucial for all bodily functions, and any impairment in gas exchange can lead to serious complications, making it the priority nursing diagnosis to address in an immobile client. Choices A, C, and D are important considerations as well when caring for an immobile client, but they are secondary to impaired gas exchange. Risk for fluid volume deficit may occur due to immobility, but ensuring proper gas exchange takes precedence as it directly impacts the client's immediate survival. Risk for impaired skin integrity is a concern in immobile clients but does not pose an immediate threat to life like impaired gas exchange. Altered tissue perfusion is also critical but is usually a consequence of impaired gas exchange, reinforcing the priority of addressing gas exchange first.
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