ATI LPN
ATI Learning System PN Medical Surgical Final Quizlet
1. A patient with a diagnosis of deep vein thrombosis (DVT) is receiving heparin therapy. Which laboratory test should the nurse monitor to evaluate the effectiveness of the heparin therapy?
- A. Prothrombin time (PT)
- B. Partial thromboplastin time (PTT)
- C. Bleeding time
- D. Platelet count
Correct answer: B
Rationale: The correct answer is B: Partial thromboplastin time (PTT). Heparin affects the intrinsic pathway of the coagulation cascade, which is reflected by changes in the PTT. Monitoring the PTT helps ensure that the patient's blood is within the desired therapeutic range and prevents complications related to clotting or bleeding. Prothrombin time (PT) primarily assesses the extrinsic pathway and is not as sensitive to heparin therapy. Bleeding time and platelet count are not specific tests for monitoring the effectiveness of heparin therapy in DVT.
2. The healthcare provider prescribes naproxen (Naprosyn) 500 mg PO twice a day for a client with osteoarthritis. During a follow-up visit one month later, the client tells the nurse, 'The pills don't seem to be working. They are not helping the pain at all.' Which factor should influence the nurse's response?
- A. Noncompliance is probably affecting optimal medication effectiveness.
- B. Drug dosage is inadequate and needs to be increased to three times a day.
- C. The drug needs 4 to 6 weeks to reach therapeutic levels in the bloodstream.
- D. NSAID response is variable, and trying another NSAID may be more effective.
Correct answer: D
Rationale: Different NSAIDs work differently in individuals. If a patient is not experiencing relief with one NSAID, switching to a different one may provide better pain management. This variability in response is common among NSAIDs due to individual differences in drug metabolism and efficacy.
3. 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.
4. An older adult with a diagnosis of Alzheimer's disease has been experiencing fecal incontinence, with no recent change in stool character noted by the nurse. What is the nurse's most appropriate intervention?
- A. Keep a food diary to identify foods that worsen the client's symptoms
- B. Provide the client with a bland, low-residue diet
- C. Toilet the client on a frequent, scheduled basis
- D. Collaborate with the primary provider to secure an order for loperamide
Correct answer: C
Rationale: The most appropriate intervention for an older adult with Alzheimer's disease experiencing fecal incontinence and no change in stool character is to toilet the client on a frequent, scheduled basis. Scheduled toileting can help manage incontinence by establishing a routine for bowel movements, which may aid in reducing episodes of fecal incontinence.
5. A client receiving total parenteral nutrition (TPN) through a central line suddenly develops dyspnea, chest pain, and a drop in blood pressure. What should the nurse do first?
- A. Stop the TPN infusion.
- B. Notify the healthcare provider.
- C. Place the client in Trendelenburg position.
- D. Administer oxygen at 2 liters/minute.
Correct answer: C
Rationale: Placing the client in Trendelenburg position should be the initial action as it can help manage a suspected air embolism, a potential complication of TPN administration. This position helps trap air in the apex of the atrium, reducing the risk of air reaching the pulmonary circulation and causing further harm. Once the client is in a safe position, further actions such as stopping the TPN infusion, notifying the healthcare provider, and administering oxygen can be taken as appropriate.
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