HESI LPN
CAT Exam Practice Test
1. A client is admitted to the hospital with a serum sodium level of 128 mEq/L, distended neck veins, and lung crackles. What intervention should the nurse implement?
- A. Increase the intake of salty foods
- B. Administer NaCl supplements
- C. Restrict oral fluid intake
- D. Hold the client's loop diuretic
Correct answer: C
Rationale: In the scenario described, the client presents with signs of fluid overload and hyponatremia. Restricting oral fluid intake is the appropriate intervention to manage fluid overload and correct hyponatremia. Increasing the intake of salty foods (Choice A) and administering NaCl supplements (Choice B) would exacerbate the sodium imbalance. Holding the client's loop diuretic (Choice D) is not directly related to addressing the fluid overload and hyponatremia.
2. An elderly client with Alzheimer's disease is being admitted to a long-term care facility. The client’s spouse expresses concern about the level of care the client will receive. What is the most appropriate response by the nurse?
- A. Reassure the spouse that the client will be well cared for and provide information about the facility’s care practices.
- B. Inform the spouse that care will be adjusted based on the client’s condition and needs.
- C. Advise the spouse to visit frequently to monitor the quality of care the client receives.
- D. Suggest that the spouse speak with other family members for reassurance.
Correct answer: A
Rationale: The most appropriate response by the nurse in this situation is to reassure the spouse that the client will be well cared for and provide information about the facility’s care practices. This response not only addresses the spouse's concerns directly but also helps in building trust and confidence in the care provided. Choice B is not ideal as it may cause unnecessary worry about the fluctuating care levels. Choice C puts the responsibility on the spouse to monitor care, which may not always be feasible or appropriate. Choice D deflects the concern to other family members instead of addressing the spouse's worries directly.
3. A female client presents to the emergency department in the early evening complaining of abdominal cramping, watery diarrhea, and vomiting. She tells the nurse that she was at a picnic and ate barbecue that afternoon. What question is most important for the triage nurse to ask this client?
- A. Have you recently traveled outside the United States?
- B. How high was your temperature when you returned home?
- C. Have you taken any medication to treat these symptoms?
- D. Is anyone else sick who was also at the picnic?
Correct answer: D
Rationale: The most important question for the triage nurse to ask the client in this scenario is whether anyone else who attended the picnic is also sick. This is crucial to identify a potential outbreak or common source of infection. Asking about recent travel may be important for infectious diseases but is not as relevant as identifying a common source among individuals who shared the same food. Inquiring about the client's temperature is important but does not provide immediate insight into the cause of symptoms. Asking about medication taken is relevant but not as critical as determining if others are affected, which could indicate a foodborne illness.
4. A client has had several episodes of clear, watery diarrhea that started yesterday. What action should the nurse implement?
- A. Administer a prescribed PRN antiemetic
- B. Assess the client for the presence of hemorrhoids
- C. Check the client’s hemoglobin level
- D. Review the client’s current list of medications
Correct answer: D
Rationale: The correct action for the nurse to implement in a client experiencing clear, watery diarrhea is to review the client's current list of medications. Certain medications can cause diarrhea as a side effect, so identifying any potential culprits is essential. Administering an antiemetic (Choice A) is not appropriate for diarrhea, as antiemetics are used to control nausea and vomiting, not diarrhea. Assessing for hemorrhoids (Choice B) is not the priority when the client is experiencing watery diarrhea; addressing the root cause is crucial. Checking the client’s hemoglobin level (Choice C) is not the immediate action needed for this situation as it does not directly address the cause of diarrhea.
5. A child with heart failure (HF) is taking digitalis. Which sign indicates to the nurse that the child may be experiencing digitalis toxicity?
- A. Tachycardia
- B. Dyspnea
- C. Vomiting
- D. Muscle cramps
Correct answer: C
Rationale: Vomiting is a common sign of digitalis toxicity and should be closely monitored. While tachycardia is a common sign of heart failure, it is not typically associated with digitalis toxicity (Choice A). Dyspnea (Choice B) and muscle cramps (Choice D) are not specific signs of digitalis toxicity and can be present in other conditions. Therefore, the presence of vomiting should raise concerns about digitalis toxicity in the child with heart failure.
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