ATI RN
ATI Perfusion Quizlet
1. The nurse is reviewing laboratory results and notes a patient's activated partial thromboplastin time (aPTT) level of 28 seconds. The nurse should notify the health care provider in anticipation of adjusting which medication?
- A. Aspirin
- B. Heparin
- C. Warfarin
- D. Erythropoietin
Correct answer: B
Rationale: The correct answer is B: Heparin. An activated partial thromboplastin time (aPTT) level of 28 seconds indicates a prolonged time, which is associated with heparin administration. Heparin is an anticoagulant medication that affects the intrinsic pathway of the coagulation cascade, leading to an increased aPTT. Aspirin (choice A) affects platelet aggregation and does not directly impact aPTT. Warfarin (choice C) affects the extrinsic pathway of the coagulation cascade and is monitored using the international normalized ratio (INR), not aPTT. Erythropoietin (choice D) is not related to coagulation parameters.
2. A patient's complete blood count (CBC) shows a hemoglobin of 19 g/dL and a hematocrit of 54%. Which question should the nurse ask to determine possible causes of this finding?
- A. Have you had any recent weight loss?
- B. Do you have any history of lung disease?
- C. Have you noticed any dark or bloody stools?
- D. What is your dietary intake of meats and proteins?
Correct answer: B
Rationale: The correct answer is B: "Do you have any history of lung disease?" The elevated hemoglobin and hematocrit levels suggest polycythemia, which can be seen in conditions like chronic obstructive pulmonary disease (COPD). Option A is less relevant as weight loss is not typically associated with these blood count findings. Option C is more indicative of gastrointestinal bleeding rather than a respiratory issue. Option D focuses on dietary factors, which are less likely to cause such significant elevations in hemoglobin and hematocrit levels as seen in this case.
3. Which action will the admitting nurse include in the care plan for a patient who has neutropenia?
- A. Avoid intramuscular injections
- B. Check temperature every 4 hours
- C. Omit fruits or vegetables from the diet
- D. Place a 'No Visitors' sign on the door
Correct answer: B
Rationale: The correct answer is B: 'Check temperature every 4 hours.' Neutropenic patients have a weakened immune system due to low levels of neutrophils, which are a type of white blood cell that helps fight infections. Monitoring the patient's temperature every 4 hours is crucial because the earliest sign of infection in a neutropenic patient is often a fever. This allows for early detection of any potential infections. Choices A, C, and D are incorrect because avoiding intramuscular injections, omitting fruits or vegetables from the diet, and placing a 'No Visitors' sign on the door are not specific actions directly related to managing neutropenia or monitoring for signs of infection.
4. Which task for a patient with neutropenia is appropriate for the registered nurse (RN) to delegate to a licensed practical/vocational nurse (LPN/LVN)?
- A. Assessing the patient for signs and symptoms of infection
- B. Teaching the patient the purpose of neutropenic precautions
- C. Administering subcutaneous filgrastim (Neupogen) injection
- D. Developing a discharge teaching plan for the patient and family
Correct answer: C
Rationale: The correct answer is C because administering subcutaneous medications falls within the education and scope of practice of an LPN/LVN. Assessing the patient for signs and symptoms of infection, teaching the patient, and developing a discharge plan are tasks that require an RN level of education and scope of practice. LPN/LVNs can assist in patient care, but tasks that involve assessment, teaching, and care planning are typically the responsibility of an RN.
5. After a patient with pancytopenia undergoes a bone marrow aspiration from the left posterior iliac crest, which action would be important for the nurse to take?
- A. Elevate the head of the bed to 45 degrees.
- B. Have the patient lie on the left side for 1 hour.
- C. Apply a sterile 2-inch gauze dressing to the site.
- D. Use a half-inch sterile gauze to pack the wound.
Correct answer: B
Rationale: After a bone marrow aspiration, it is important to have the patient lie on the left side for 30 to 60 minutes to decrease the risk of bleeding. Elevating the head of the bed to 45 degrees does not directly address the risk of bleeding. Applying a sterile 2-inch gauze dressing to the site is important for wound care but does not specifically address post-procedural positioning. Using a half-inch sterile gauze to pack the wound is not necessary after a bone marrow aspiration.
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