which lab value is critical for monitoring warfarin therapy
Logo

Nursing Elites

ATI RN

ATI RN Comprehensive Exit Exam

1. Which lab value is critical for monitoring warfarin therapy?

Correct answer: A

Rationale: The correct answer is A: Monitor INR. INR (International Normalized Ratio) is crucial for monitoring warfarin therapy as it helps assess the therapeutic effectiveness and bleeding risks associated with the medication. INR measures the clotting tendency of blood, which is essential in determining the appropriate dosage of warfarin. Monitoring platelet count (B), sodium levels (C), or calcium levels (D) is not primarily used for assessing warfarin therapy. Platelet count is more relevant in assessing bleeding disorders, while sodium and calcium levels are typically monitored for different medical conditions unrelated to warfarin therapy.

2. A client has a nasogastric tube for gastric decompression. Which of the following actions should the nurse take?

Correct answer: D

Rationale: The correct answer is to keep the client's head of the bed elevated to 45 degrees. This position helps prevent aspiration in clients with a nasogastric tube for gastric decompression by reducing the risk of reflux and promoting proper drainage. Choice A is incorrect because checking for bowel sounds is not directly related to the care of a nasogastric tube. Choice B is incorrect as flushing the NG tube every 24 hours is not a standard nursing practice and may lead to complications. Choice C is incorrect because providing sips of water may interfere with the purpose of gastric decompression, which is to keep the stomach empty.

3. A nurse is assessing a client who has increased intracranial pressure (ICP). Which of the following findings should the nurse expect?

Correct answer: C

Rationale: The correct answer is C: Tachycardia. In a client with increased intracranial pressure (ICP), tachycardia is a common finding. This is due to the body's compensatory mechanisms in response to the increased pressure. Bradycardia (choice A) is not typically associated with increased ICP and may indicate a different issue. Increased level of consciousness (choice B) is unlikely with increased ICP, as it often leads to altered mental status. Hyperactive bowel sounds (choice D) are not directly related to increased ICP and are more indicative of gastrointestinal issues.

4. A client with diabetes mellitus is being taught by a nurse about managing blood glucose levels. Which of the following client statements indicates an understanding of the teaching?

Correct answer: A

Rationale: Choice A is the correct answer because consuming a snack when the blood glucose level is below 70 mg/dL helps prevent hypoglycemia in clients with diabetes mellitus. Choice B is incorrect because taking insulin when blood glucose is high (above 200 mg/dL) helps manage hyperglycemia, not hypoglycemia. Choice C is incorrect as checking blood glucose levels once a week is insufficient for proper diabetes management, which typically requires more frequent monitoring. Choice D is incorrect because waiting for symptoms of hyperglycemia to take insulin can lead to uncontrolled blood glucose levels.

5. A nurse is caring for a client who has cirrhosis and a new prescription for lactulose. The nurse should monitor the client for which of the following therapeutic effects of this medication?

Correct answer: C

Rationale: The correct answer is C: Decreased serum ammonia. Lactulose is prescribed to decrease serum ammonia levels in clients with cirrhosis and hepatic encephalopathy. By reducing serum ammonia, lactulose helps improve the mental status of these clients. Therefore, monitoring for decreased serum ammonia is crucial to assess the effectiveness of lactulose therapy. Choice A (Improved mental status) is indirectly related as it is the desired outcome of decreasing ammonia levels. Choices B (Increased urine output) and D (Decreased bilirubin levels) are not directly associated with the therapeutic effects of lactulose in cirrhosis and hepatic encephalopathy.

Similar Questions

A nurse is caring for a client who is in the orientation phase of the therapeutic relationship. Which statement should the nurse make during this phase?
When caring for a client with asthma experiencing an acute exacerbation, which medication should the nurse administer first?
A nurse is caring for a client who has a chest tube. Which of the following actions should the nurse take?
A client with diabetes mellitus receiving regular insulin should be monitored for which of the following manifestations of hypoglycemia?
A nurse is assessing a client who has a potassium level of 3.0 mEq/L. Which of the following findings should the nurse expect?

Access More Features

ATI RN Basic
$69.99/ 30 days

  • 5,000 Questions with answers
  • All ATI courses Coverage
  • 30 days access

ATI RN Premium
$149.99/ 90 days

  • 5,000 Questions with answers
  • All ATI courses Coverage
  • 30 days access

Other Courses