ATI LPN
ATI PN Adult Medical Surgical 2019
1. A client with chronic pain is prescribed a fentanyl (Duragesic) patch. Which instruction should the nurse provide to the client?
- A. Apply the patch to a clean, dry, and hairless area of the skin.
- B. Use a heating pad over the patch to enhance absorption.
- C. Change the patch daily to maintain effectiveness.
- D. Place the patch on the same site with each application.
Correct answer: A
Rationale: The correct instruction for applying a fentanyl (Duragesic) patch is to place it on a clean, dry, and hairless area of the skin. This ensures proper adhesion of the patch and optimal absorption of the medication. Using a heating pad over the patch is contraindicated as it can increase drug absorption and lead to overdose. Changing the patch daily is necessary for some medications, but fentanyl patches are usually changed every 72 hours to maintain a steady blood level of the medication. Placing the patch on the same site with each application can lead to skin irritation, uneven drug absorption, and should be avoided to allow the skin to recover between applications.
2. A patient with chronic heart failure is prescribed furosemide. What is the primary action of this medication?
- A. Increase cardiac output
- B. Reduce fluid retention
- C. Decrease heart rate
- D. Lower blood pressure
Correct answer: B
Rationale: Furosemide is a loop diuretic that acts by inhibiting sodium and chloride reabsorption in the loop of Henle, leading to increased diuresis. By reducing fluid retention, furosemide helps decrease the workload on the heart in patients with chronic heart failure. This medication does not directly increase cardiac output, decrease heart rate, or lower blood pressure as its primary action.
3. A client who underwent a total hip replacement is receiving discharge teaching from a nurse. Which instruction should the nurse include?
- A. Avoid crossing your legs at the knees.
- B. Sit only in low chairs for comfort.
- C. Bend at the waist to pick up objects.
- D. Sleep on the affected side to prevent discomfort.
Correct answer: A
Rationale: The correct instruction the nurse should include is to avoid crossing the legs at the knees. This advice helps prevent dislocation of the new hip joint, which is a common concern after a total hip replacement surgery. Crossing the legs can place stress on the hip joint and increase the risk of dislocation. It is important for the client to follow this precaution to promote proper healing and reduce complications postoperatively.
4. A client with liver cirrhosis is prescribed lactulose. What is the purpose of this medication?
- A. To lower blood sugar levels
- B. To reduce ammonia levels
- C. To treat liver inflammation
- D. To improve bile flow
Correct answer: B
Rationale: Lactulose is prescribed to reduce ammonia levels in clients with liver cirrhosis. Elevated ammonia levels can lead to hepatic encephalopathy, a serious complication of liver cirrhosis. Lactulose works by acidifying the colon, which in turn traps ammonia in the colon and helps its elimination from the body through stool, thereby reducing the risk of hepatic encephalopathy. Choice A is incorrect because lactulose does not lower blood sugar levels. Choice C is incorrect as lactulose is not used to treat liver inflammation. Choice D is incorrect as lactulose does not improve bile flow.
5. A client with diabetes has a new prescription for 14 units of regular insulin and 28 units of NPH insulin subcutaneously at breakfast daily. What is the total number of units of insulin that should be prepared in the insulin syringe?
- A. 42 units
- B. 14 units
- C. 28 units
- D. 32 units
Correct answer: A
Rationale: To calculate the total number of units of insulin, you need to add the 14 units of regular insulin to the 28 units of NPH insulin, which equals 42 units. Therefore, the nurse should prepare 42 units of insulin in the syringe for the client.
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