HESI LPN
CAT Exam Practice Test
1. When deciding whether to join a nursing strike called after collective bargaining efforts have failed, which factor is most important for the nurse to consider?
- A. Nurse Practice Act of the State
- B. The role of nurses as client advocates
- C. Standards of clinical nursing practice
- D. Personal value system
Correct answer: B
Rationale: The correct answer is B. The role of nurses as client advocates is crucial when considering the impact of a strike on patient care. Nurses have a responsibility to advocate for their patients' well-being at all times. Choices A, C, and D, although important, are not the most critical factor to consider in this situation. The Nurse Practice Act of the State is essential for guiding nursing practice, standards of clinical nursing practice ensure quality care, and personal values are important; however, the primary focus during a strike should be on the role of nurses as client advocates.
2. The nurse is caring for a group of clients with the help of a practical nurse (PN). Which nursing actions should the nurse assign to the PN? (Select all that apply)
- A. Administer a dose of insulin per sliding scale for a client with type 2 diabetes mellitus (DM)
- B. Obtain postoperative vital signs for a client one day following unilateral knee arthroplasty
- C. Perform daily surgical dressing change for a client who had an abdominal hysterectomy
- D. Initiate patient-controlled analgesia (PCA) pumps for two clients immediately postoperative
Correct answer: B
Rationale: The correct answer is B. Obtaining postoperative vital signs for a client one day following unilateral knee arthroplasty is a task within the scope of practice for a practical nurse (PN) and contributes to the client's recovery. Administering insulin (Choice A) involves medication administration, which typically requires a higher level of nursing education. Performing daily surgical dressing changes (Choice C) after an abdominal hysterectomy involves wound care management that is usually beyond the scope of practice for a PN. Initiating patient-controlled analgesia pumps (Choice D) is a complex nursing intervention that requires specialized training and knowledge, exceeding the typical responsibilities of a PN.
3. Two days after an abdominal hysterectomy, an elderly female with diabetes has a syncopal episode. The nurse determines that her vital signs are within normal limits, but her blood sugar is 325 mg/dL or 18.04 mmol/L (SI). What intervention should the nurse implement first?
- A. Administer regular insulin per sliding scale
- B. Cancel the client's dinner tray
- C. Give the client 4 ounces (120 mL) of orange juice
- D. Administer the next scheduled dose of metformin
Correct answer: A
Rationale: In this case, the nurse should implement the intervention of administering regular insulin per sliding scale. High blood sugar levels, as indicated by a reading of 325 mg/dL, require insulin administration to prevent complications such as hyperglycemia. Canceling the client's dinner tray (choice B) would not address the immediate need to lower the blood sugar level. Giving the client orange juice (choice C) might further increase the blood sugar level as it contains sugar. Administering the next scheduled dose of metformin (choice D) is not appropriate as metformin is not typically used for acute management of high blood sugar levels.
4. In what sequence should the nurse prepare the dose of insulin for a client whose finger stick glucose is 210 mg/dl and is receiving a sliding scale dose of short-acting insulin before breakfast?
- A. Clean the vial's rubber stopper with an alcohol swab, withdraw the correct dose of insulin, and then inject air equal to the insulin dose into the vial.
- B. Inject air equal to the insulin dose into the vial, withdraw the correct dose of insulin, and then clean the vial's rubber stopper with an alcohol swab.
- C. Withdraw the correct dose of insulin, inject air equal to the insulin dose into the vial, and then clean the vial's rubber stopper with an alcohol swab.
- D. Clean the vial's rubber stopper with an alcohol swab, inject air equal to the insulin dose into the vial, and then withdraw the correct dose of insulin.
Correct answer: A
Rationale: The correct sequence for preparing a dose of insulin involves ensuring proper aseptic technique. First, clean the vial's rubber stopper with an alcohol swab to prevent contamination. Second, withdraw the correct dose of insulin to be administered. Lastly, inject air equal to the insulin dose into the vial to maintain proper pressure for withdrawing the medication. This sequence ensures the medication is prepared safely and accurately. Choice A is correct as it follows this sequence. Choices B, C, and D present incorrect sequences that may compromise patient safety by not following the correct aseptic technique. Choice B injects air into the vial before withdrawing insulin, which is incorrect. Choice C reverses the order of withdrawing insulin and injecting air. Choice D withdraws the insulin before injecting air, which can affect the pressure inside the vial and lead to inaccurate dosing.
5. Which intervention should the nurse include in the plan of care for a patient with tetanus?
- A. Open window shades to provide natural light
- B. Encourage coughing and deep breathing
- C. Minimize the amount of stimuli in the room
- D. Reposition from side to side every hour
Correct answer: C
Rationale: The correct intervention for a patient with tetanus is to minimize the amount of stimuli in the room. Tetanus can lead to muscle spasms and heightened sensitivity to stimuli, making it essential to reduce environmental triggers for the patient's comfort and safety. Opening window shades for natural light (Choice A) may exacerbate sensitivity to light and worsen symptoms. Encouraging coughing and deep breathing (Choice B) is not directly related to managing tetanus symptoms. While repositioning the patient every hour (Choice D) is important for preventing pressure ulcers, it is not the priority when managing tetanus, which requires a quiet, low-stimulus environment to minimize muscle spasms and discomfort.
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