HESI LPN
CAT Exam Practice
1. A client is admitted to the intensive care unit with diabetes insipidus due to a pituitary gland tumor. Which potential complication should the nurse monitor closely?
- A. Hypokalemia
- B. Ketonuria
- C. Peripheral edema
- D. Elevated blood pressure
Correct answer: A
Rationale: The correct answer is A: Hypokalemia. In diabetes insipidus, there is excessive urination leading to fluid loss, which can result in electrolyte imbalances such as hypokalemia. Monitoring potassium levels is crucial to prevent complications like cardiac arrhythmias. Choices B, C, and D are incorrect. Ketonuria is typically seen in diabetic ketoacidosis, peripheral edema is more commonly associated with conditions like heart failure or kidney disease, and elevated blood pressure is not a direct complication of diabetes insipidus related to a pituitary gland tumor.
2. A client who is newly diagnosed with type 2 diabetes mellitus (DM) receives a prescription for metformin (Glucophage) 500 mg PO twice daily. What information should the nurse include in this client’s teaching plan? (Select all that apply.)
- A. Take an additional dose for signs of hyperglycemia
- B. Recognize signs and symptoms of hypoglycemia.
- C. Report persistent polyuria to the healthcare provider.
- D. Use sliding scale insulin for finger stick glucose elevation.
Correct answer: D
Rationale: The correct answer is D. Metformin does not require additional doses for hyperglycemia, and sliding scale insulin is not typically used with metformin. It is important for the client to recognize signs and symptoms of hypoglycemia, report persistent polyuria to the healthcare provider, and take the medication with meals. Teaching the client to use sliding scale insulin for finger stick glucose elevation is not appropriate in this case because metformin is the prescribed medication, and its mechanism of action differs from insulin therapy. The client should be educated on the importance of taking metformin with meals to reduce gastrointestinal side effects and to report any persistent polyuria, which could indicate poor blood sugar control.
3. A client with type 2 diabetes mellitus is admitted for antibiotic treatment of a leg ulcer. Which signs and symptoms, indicative of hyperosmolar hyperglycemic nonketotic syndrome (HHNS), should the nurse report to the healthcare provider? (Select all that apply.)
- A. Increased heart rate
- B. Visual disturbances
- C. Presence of uremic frost
- D. Decreased mentation
Correct answer: A
Rationale: The correct signs and symptoms indicative of hyperosmolar hyperglycemic nonketotic syndrome (HHNS) include increased heart rate, visual disturbances, and decreased mentation. These symptoms are often associated with HHNS due to the high blood glucose levels. Uremic frost, a sign of advanced kidney disease, is not typically associated with HHNS. Therefore, choices B and D are incorrect. However, choice C, 'Presence of uremic frost,' is incorrect as it is not typically associated with HHNS.
4. An adult client with severe depression was admitted to the psychiatric unit yesterday evening. Although the client used to run a year ago, his spouse states that the client no longer runs but sits and watches television most of the day. Which is most important for the nurse to include in this client’s plan of care for today?
- A. Assist the client in identifying goals for the day
- B. Encourage the client to participate in a team sport for one hour
- C. Schedule the client for a group session that focuses on self-esteem
- D. Help the client develop a list of daily affirmations
Correct answer: A
Rationale: Assisting the client in identifying goals for the day is the most important aspect of the plan of care for a client with severe depression. Setting achievable daily goals helps engage the client in activities and promotes a sense of accomplishment, which can contribute to gradual improvement in their condition. Encouraging participation in team sports may be overwhelming for a client with severe depression as it requires a significant level of energy and motivation that the client may not possess at this time. Group sessions focusing on self-esteem and daily affirmations are beneficial interventions, but they may not have an immediate impact compared to setting achievable daily goals that can provide a sense of purpose and achievement for the client.
5. A client with leukemia who is receiving myelosuppressive chemotherapy has a platelet count of 25,000/mm3. Which intervention is most important for the nurse to include in this client’s plan of care?
- A. Monitor for signs of activity intolerance
- B. Require visitors to wear respiratory masks
- C. Assess urine and stool for occult blood
- D. Obtain client’s temperature q4 hours
Correct answer: C
Rationale: The correct answer is to assess urine and stool for occult blood. With a low platelet count, there is an increased risk of bleeding. Monitoring for occult blood is essential to detect any signs of internal bleeding. Choices A, B, and D are not the priority interventions in this situation. While monitoring for signs of activity intolerance, requiring visitors to wear respiratory masks, and obtaining the client's temperature are important aspects of care, they are not as critical as assessing for occult blood in a client with a low platelet count.
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