HESI LPN
CAT Exam Practice Test
1. Which type of Leukocyte is involved with allergic responses and the destruction of parasitic worms?
- A. Neutrophils
- B. Lymphocytes
- C. Eosinophils
- D. Monocytes
Correct answer: C
Rationale: Eosinophils are the correct answer. Eosinophils are specialized white blood cells that play a crucial role in allergic responses and combating parasitic infections. They release substances to destroy parasites and modulate allergic reactions. Neutrophils (Choice A) are mainly involved in fighting bacterial infections. Lymphocytes (Choice B) play a key role in the immune response, including antibody production, but are not primarily responsible for combating parasites or allergic responses. Monocytes (Choice D) are involved in immune defense, differentiating into macrophages or dendritic cells, but they are not mainly associated with allergic responses or parasitic worm destruction.
2. When caring for a laboring client whose contractions are occurring every 2-3 minutes, the nurse should document that the pump is infusing how many ml/hour? (Enter numeric value only. If rounding is required, round to the nearest whole number. Click on each chart tab for additional information. Please be sure to scroll to the bottom right corner of each tab to view all information contained in the client’s medical record.)
- A. 5
- B. 10
- C. 15
- D. 20
Correct answer: A
Rationale: The correct infusion rate can be calculated based on the information provided in the chart. With contractions occurring every 2-3 minutes, the recommended infusion rate is 5 ml/hr. This rate ensures proper hydration and medication delivery to support the client during labor. Choices B, C, and D are incorrect as they do not align with the calculated rate based on the contractions frequency and the client's needs.
3. In preparing to administer a scheduled dose of intravenous furosemide (Lasix) to a client with heart failure, the nurse notes that the client’s B-Type Naturetic peptide (BNP) is elevated. What action should the nurse take?
- A. Measure the client’s oxygen saturation before taking further action
- B. Administer a PRN dose of nitroglycerin (Nitrostat)
- C. Administer the dose of furosemide as scheduled
- D. Hold the dose of furosemide until contacting the healthcare provider
Correct answer: D
Rationale: Elevated BNP levels in a client with heart failure may indicate worsening heart failure. Therefore, the correct action for the nurse to take when encountering an elevated BNP before administering furosemide is to hold the dose and contact the healthcare provider for further guidance. This precaution is necessary to ensure the client's safety and prevent potential complications. Options A and B are incorrect as they do not address the issue of the elevated BNP, which is crucial in this situation. Option C is also incorrect because administering furosemide without consulting the healthcare provider could be harmful if the client's condition is deteriorating.
4. The urinary drainage of a client with continuous bladder irrigation is becoming increasingly red. Which intervention should the nurse implement?
- A. Increase the irrigation rate
- B. Lower the head of the bed
- C. Milk the catheter tubing
- D. Evaluate for fluid overload
Correct answer: A
Rationale: Increasing the irrigation rate can help clear any blood clots and reduce the redness in the urinary drainage. This intervention aims to improve the flushing of the bladder and potentially resolve the issue. Lowering the head of the bed would not directly address the red urinary drainage. Milking the catheter tubing is not recommended as it can cause trauma to the catheter or bladder, leading to further complications. While evaluating for fluid overload is an important nursing consideration, it does not directly address the immediate concern of redness in the urinary drainage, which requires a focused intervention to clear any blockages or clots in the system.
5. Which behavior is most likely to result in a breach of client confidentiality?
- A. Discussing a client’s condition during a teaching conference for nursing staff caring for the client
- B. Two nurses planning a client’s care while having lunch in the hospital cafeteria
- C. Nursing students on the same team discussing their assigned client’s conditions
- D. A registered nurse privately sharing personal feelings about a client with another nurse on the team
Correct answer: B
Rationale: The correct answer is B. Discussing client information in a public area, such as a cafeteria, may lead to breaches of confidentiality. Choice A involves discussing a client's condition in a professional setting, which is not likely to result in a breach as it is for educational purposes. Choice C involves nursing students discussing their assigned client's conditions, which is common in a learning environment and not necessarily a breach of confidentiality. Choice D involves a private conversation between healthcare professionals, which is less likely to result in a breach compared to discussing in a public area like a cafeteria where non-authorized individuals may overhear the conversation.
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