ATI RN
ATI RN Exit Exam
1. Which lab value is critical for a patient on heparin therapy?
- A. Monitor aPTT
- B. Monitor INR
- C. Monitor platelet count
- D. Monitor sodium levels
Correct answer: A
Rationale: The correct answer is to monitor aPTT. Activated Partial Thromboplastin Time (aPTT) is crucial for patients on heparin therapy as it helps determine the clotting ability of the blood. By monitoring aPTT, healthcare providers can adjust the dosage of heparin to maintain therapeutic levels and prevent bleeding complications. Monitoring INR is more commonly associated with warfarin therapy, not heparin. Monitoring platelet count is important for assessing the risk of bleeding or clotting disorders but is not specific to heparin therapy. Monitoring sodium levels is not directly related to assessing the effectiveness or safety of heparin therapy.
2. How should a healthcare professional care for a patient with a central line?
- A. Flush the line daily
- B. Monitor for infection
- C. Change the dressing weekly
- D. Replace the central line every week
Correct answer: B
Rationale: When caring for a patient with a central line, monitoring for infection is crucial. This is because central lines can introduce bacteria into the bloodstream, leading to serious infections. While flushing the line daily and changing the dressing weekly are important aspects of central line care, monitoring for infection takes precedence. Infections can occur rapidly and have severe consequences, so early detection through vigilant monitoring is key. Replacing the central line every week is not a standard practice and should only be done when clinically indicated, such as in cases of infection or malfunction.
3. A nurse is reviewing the medical record of a client who is receiving heparin to treat deep vein thrombosis (DVT). Which of the following findings should the nurse report to the provider?
- A. aPTT of 38 seconds
- B. Hemoglobin of 15 g/dL
- C. Platelet count of 80,000/mm3
- D. INR of 1.0
Correct answer: C
Rationale: A platelet count of 80,000/mm3 is below the normal range and should be reported to the provider due to the risk of bleeding. Heparin can cause a rare but serious side effect known as heparin-induced thrombocytopenia, leading to a decrease in platelet count and an increased risk of bleeding. The aPTT of 38 seconds, hemoglobin of 15 g/dL, and an INR of 1.0 are within normal ranges and not directly concerning in this scenario. Platelet count is crucial to monitor in clients receiving heparin therapy to ensure adequate clotting function and prevent bleeding complications.
4. A nurse is caring for a client who has a history of alcohol use disorder and is experiencing withdrawal. Which of the following medications should the nurse expect to administer?
- A. Metoclopramide
- B. Lorazepam
- C. Haloperidol
- D. Methadone
Correct answer: B
Rationale: Lorazepam is the correct medication to administer in this situation. It is used to manage the symptoms of alcohol withdrawal and prevent complications like seizures and delirium tremens. Metoclopramide is primarily used to treat gastrointestinal issues, Haloperidol is an antipsychotic medication used for conditions like schizophrenia, and Methadone is typically used in managing opioid dependence. These medications are not the first-line treatment for alcohol withdrawal.
5. A client has had vomiting and diarrhea for the past 3 days. Which of the following findings indicates the client is experiencing fluid volume deficit?
- A. Jugular vein distention
- B. Bradycardia
- C. Increased respiratory rate
- D. Bounding pulses
Correct answer: C
Rationale: An increased respiratory rate is a sign of fluid volume deficit as the body attempts to compensate for decreased blood volume. Jugular vein distention, bradycardia, and bounding pulses are not typical findings of fluid volume deficit. Jugular vein distention is more commonly associated with fluid volume overload, bradycardia can be a sign of fluid volume excess or other issues, and bounding pulses are not typically seen in fluid volume deficit.
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