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. Following rectal surgery, a female client is very anxious about the pain she may experience during defecation. The nurse should collaborate with the healthcare provider to administer which type of medication?
- A. Bulk-forming agent
- B. Antianxiety agent
- C. Stool softener
- D. Stimulant cathartic
Correct answer: C
Rationale: After rectal surgery, a stool softener is the most appropriate medication to help prevent pain and straining during defecation. Stool softeners work by increasing the water content of the stool, making it easier to pass without discomfort. Bulk-forming agents (Choice A) help add mass to the stool but may not address the immediate post-operative discomfort. Antianxiety agents (Choice B) would address the anxiety but not the physical discomfort. Stimulant cathartics (Choice D) are not recommended after rectal surgery as they can cause cramping and increased bowel movements, potentially exacerbating pain.
3. When designing a plan of care for a client diagnosed with pheochromocytoma, a goal statement should be prepared that relates to which topic?
- A. Psychological counseling to address emotional well-being
- B. Medication teaching concerning adrenergic blockers
- C. Preoperative and postoperative teaching for adrenalectomy
- D. Education on dietary modifications for hypertension
Correct answer: C
Rationale: The correct answer is C: Preoperative and postoperative teaching for adrenalectomy. Pheochromocytoma often requires adrenalectomy as part of the treatment plan. Therefore, educating the client about what to expect before and after the surgery is crucial for optimal care and outcomes. Choices A, B, and D are incorrect. Choice A focuses on emotional well-being rather than the specific surgical intervention needed for pheochromocytoma. Choice B is unrelated as the primary treatment for pheochromocytoma is surgical rather than medication-based. Choice D, though related to managing hypertension, does not address the surgical aspect of treating pheochromocytoma.
4. While changing a client’s chest tube dressing, the nurse notes a crackling sensation when gentle pressure is applied to the skin at the insertion site. What is the best action for the nurse to take?
- A. Apply a pressure dressing around the chest tube insertion site
- B. Assess the client for allergies to topical cleaning agents
- C. Measure the area of swelling and crackling
- D. Administer an oral antihistamine per PRN protocol
Correct answer: A
Rationale: A crackling sensation indicates subcutaneous emphysema, caused by air trapped under the skin. Applying a pressure dressing around the chest tube insertion site can help manage the issue by preventing further air leakage into the tissues. Choice B is incorrect because the crackling sensation is not related to allergies. Choice C is incorrect as measuring the area does not address the underlying cause. Choice D is incorrect as administering an oral antihistamine is not indicated for subcutaneous emphysema.
5. When the client asks the nurse if they have ever been with someone when they died, what is the nurse’s best response?
- A. “Yes, I have. Do you have some questions about dying?”
- B. “Several times. Now, let’s get your dressing changed.”
- C. “A few times. It was peaceful and there was no pain.”
- D. “Yes, but you’re doing great. Are you concerned about dying?”
Correct answer: A
Rationale: Choice A is the best response as it acknowledges the client's question and opens the door for further discussion about dying if the client wishes to. It shows empathy and encourages the client to express any concerns they may have. Choices B and C do not directly address the client's question or offer an opportunity for him to explore his concerns. Choice D acknowledges the experience but fails to address the client's question directly and does not encourage further discussion.
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