HESI LPN
CAT Exam Practice
1. A 13-year-old girl, diagnosed with diabetes mellitus Type 1 at the age of 9, is admitted to the hospital in diabetic ketoacidosis. Which occurrence is the most likely cause of the ketoacidosis?
- A. Ate an extra peanut butter sandwich before gym class
- B. Incorrectly drew up and administered too much insulin
- C. Was not hungry, so she skipped eating lunch
- D. Has had a cold and ear infection for the past two days
Correct answer: B
Rationale: The correct answer is B. Incorrect insulin administration is a common cause of diabetic ketoacidosis. Administering too much insulin can lead to uncontrolled hyperglycemia, where the body starts breaking down fat for energy, resulting in the production of ketones. Choices A, C, and D are less likely to directly cause diabetic ketoacidosis. Eating an extra peanut butter sandwich, skipping lunch, or having a cold and ear infection would not directly lead to the metabolic derangements seen in diabetic ketoacidosis.
2. A 17-year-old adolescent is brought to the emergency department by both parents because the adolescent has been coughing and running a fever with flu-like symptoms for the past 24 hours. Which intervention should the nurse implement first?
- A. Obtain a chest X-ray per protocol.
- B. Place a mask on the client’s face.
- C. Assess the client’s temperature.
- D. Determine the client’s blood pressure
Correct answer: B
Rationale: The correct intervention for the nurse to implement first is to place a mask on the client's face. This is crucial to prevent the potential spread of infectious agents to others in the emergency department, considering the presenting symptoms of coughing and fever. Placing a mask helps in containing respiratory secretions and reducing the risk of airborne transmission. Assessing the client’s temperature or blood pressure can be done after ensuring infection control measures. Obtaining a chest X-ray would be a secondary intervention once immediate infection control is addressed.
3. To manage the client’s constipation, which suggestions should the nurse provide? (Select all that apply)
- A. Decrease laxative use to every other day and use oil retention enemas as needed.
- B. Include oatmeal with stewed prunes for breakfast as often as possible.
- C. Increase fluid intake by keeping a water glass next to the recliner.
- D. Recommend seeking help with regular shopping and meal preparation.
Correct answer: C
Rationale: The correct answer is C. Increasing fluid intake is essential for managing constipation. Adequate hydration helps soften stool and promotes bowel movements. Choices A and B are incorrect as decreasing laxative use without medical advice and suggesting specific foods like oatmeal with stewed prunes may not be suitable for every individual with constipation. Choice D is also incorrect as while seeking help with meal preparation can indirectly aid in managing constipation, the immediate need is to increase fluid intake.
4. 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.
5. A client with a BMI of 60.2 kg/m² is admitted to the intensive care unit 3 weeks after gastric bypass with gastric rupture and impending multiple organ dysfunction syndrome (MODS). What should the nurse prepare to implement first?
- A. Mechanical ventilation
- B. Platelet transfusion
- C. Loop diuretic therapy
- D. Cyanocobalamin administration
Correct answer: A
Rationale: In this critical situation with gastric rupture and impending MODS, the priority intervention should be mechanical ventilation. This client is at risk of respiratory compromise due to the severity of the condition. Platelet transfusion (Choice B) is not the priority as there is no indication of significant bleeding. Loop diuretic therapy (Choice C) and cyanocobalamin administration (Choice D) are not the immediate priorities in this scenario and would not address the urgent need for respiratory support.
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