which lab value is critical for a patient on heparin therapy
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Nursing Elites

ATI RN

ATI RN Exit Exam

1. Which lab value is critical for a patient on heparin therapy?

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. A nurse is caring for a client who is in labor and has an external fetal monitor in place. The nurse observes late decelerations in the fetal heart rate. Which of the following findings should the nurse identify as the cause of late decelerations?

Correct answer: B

Rationale: Late decelerations in the fetal heart rate are caused by uteroplacental insufficiency, which results from inadequate blood flow to the placenta. This leads to reduced oxygen and nutrients reaching the fetus during contractions. Choice A, fetal head compression, does not typically cause late decelerations but can result in variable decelerations. Choice C, umbilical cord compression, usually leads to variable decelerations. Choice D, fetal hypoxia, is a broad term and not the direct cause of late decelerations, which are specifically linked to uteroplacental insufficiency.

3. A nurse is assessing a client who has acute pancreatitis. Which of the following findings should the nurse expect?

Correct answer: A

Rationale: Corrected Rationale: The correct answer is A, left upper quadrant pain. In acute pancreatitis, inflammation of the pancreas commonly causes pain in the left upper quadrant of the abdomen. This pain can be severe and radiate to the back. Periumbilical pain (choice B) is more indicative of acute appendicitis. Rebound tenderness (choice C) is associated with peritoneal inflammation, not specifically pancreatitis. Flank pain (choice D) is more characteristic of conditions involving the kidneys or ureters, such as renal colic.

4. A nurse is reviewing the medical record of a client who is scheduled for surgery. Which of the following findings should the nurse report to the provider?

Correct answer: A

Rationale: The correct answer is A. Warfarin is an anticoagulant that increases the risk of bleeding during surgery. It is crucial for the provider to be informed about the client taking warfarin to adjust the treatment plan accordingly. Choices B, C, and D are not as critical to report for surgical planning. A history of hypertension (B) is important but may not require immediate intervention for surgery. Eating a light breakfast 2 hours prior (C) is a normal preoperative instruction. Smoking history (D) is relevant for overall health assessment but is not as urgent as the use of warfarin before surgery.

5. A nurse is providing teaching to a client who is at 28 weeks of gestation and is scheduled for a glucose tolerance test. Which of the following instructions should the nurse include?

Correct answer: A

Rationale: Clients should avoid consuming any food or drink for 8 hours before the glucose tolerance test to ensure accurate results. Choice A is the correct instruction for the client preparing for a glucose tolerance test. Drinking water, taking an antacid, or consuming milk before the test can interfere with the accuracy of the results. Water or any other substance might affect the concentration of glucose in the blood, leading to inaccurate test results. Antacids and milk can also interfere with the test outcome. Therefore, the client should follow the instruction to fast for 8 hours before the test.

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