HESI LPN
Adult Health Exam 1
1. A client with diabetes mellitus is admitted with hyperglycemia. What is the priority nursing action?
- A. Administer insulin as prescribed
- B. Encourage fluid intake
- C. Monitor blood glucose levels frequently
- D. Assess for signs of hypoglycemia
Correct answer: A
Rationale: Administering insulin is the priority nursing action for a client admitted with hyperglycemia due to diabetes mellitus. Insulin helps lower blood glucose levels and prevent further complications associated with hyperglycemia. Encouraging fluid intake is important but not the priority as insulin administration takes precedence to address the immediate hyperglycemic state. Monitoring blood glucose levels frequently is essential but comes after administering insulin to ensure the treatment's effectiveness. Assessing for signs of hypoglycemia is incorrect as the client is admitted with hyperglycemia, which requires raising blood glucose levels, not lowering them further.
2. A client is admitted with a diagnosis of diabetic ketoacidosis (DKA). Which laboratory finding is most indicative of this condition?
- A. Serum glucose of 180 mg/dL
- B. Blood pH of 7.30
- C. Positive urine ketones
- D. Serum bicarbonate of 25 mEq/L
Correct answer: C
Rationale: The correct answer is C: Positive urine ketones. In diabetic ketoacidosis (DKA), the body breaks down fat for energy due to a lack of insulin, leading to ketone production. Positive urine ketones are a hallmark laboratory finding in DKA as they directly reflect the presence of ketosis. Choice A, serum glucose of 180 mg/dL, may be elevated in DKA, but it is not specific to this condition. Choice B, blood pH of 7.30, often shows acidosis in DKA, but urine ketones are more specific to the presence of ketosis. Choice D, serum bicarbonate of 25 mEq/L, would typically be low in DKA due to acidosis rather than elevated.
3. The healthcare provider is providing discharge instructions to a client with chronic heart failure. Which dietary recommendation is most appropriate?
- A. Increase fluid intake.
- B. Follow a low-sodium diet.
- C. Follow a high-protein diet.
- D. Increase sodium intake.
Correct answer: B
Rationale: The most appropriate dietary recommendation for a client with chronic heart failure is to follow a low-sodium diet. This helps manage the condition by reducing fluid retention and the workload on the heart. High fluid intake can lead to fluid overload and exacerbate heart failure symptoms. While protein is important for overall health, a high-protein diet is not specifically indicated for chronic heart failure. Increasing sodium intake is contraindicated in heart failure as it can worsen fluid retention and increase the workload on the heart.
4. What is the most important action to prevent catheter-associated urinary tract infections (CAUTIs) in a client with an indwelling urinary catheter?
- A. Irrigate the catheter daily.
- B. Change the catheter every 72 hours.
- C. Apply antibiotic ointment at the insertion site.
- D. Ensure the catheter bag is always below bladder level.
Correct answer: D
Rationale: The most crucial action to prevent catheter-associated urinary tract infections (CAUTIs) in a client with an indwelling urinary catheter is to ensure that the catheter bag is always below bladder level. This positioning helps prevent backflow of urine, reducing the risk of CAUTIs. Irrigating the catheter daily (Choice A) is unnecessary and can introduce pathogens. Changing the catheter every 72 hours (Choice B) is not recommended unless clinically indicated to prevent introducing new pathogens. Applying antibiotic ointment at the insertion site (Choice C) is not the most important action to prevent CAUTIs; proper hygiene and maintaining a closed system are more critical.
5. 4 hours after administration of 20U of regular insulin, the client becomes shaky and diaphoretic. What action should the nurse take?
- A. Encourage the client to eat crackers and milk
- B. Administer a PRN dose of 10U of regular insulin
- C. Give the client crackers and milk
- D. Record the client's reaction in the diabetic flow sheet
Correct answer: C
Rationale: The correct action for the nurse to take when a client becomes shaky and diaphoretic after insulin administration, indicating hypoglycemia, is to provide the client with carbohydrates like crackers and milk. Carbohydrates help raise blood glucose levels quickly. Encouraging the client to eat crackers and milk (Choice A) is the appropriate immediate action to address the hypoglycemia. Administering more insulin (Choice B) would worsen hypoglycemia, and recording the reaction (Choice D) is important but not the immediate action needed to treat the hypoglycemia.
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