ATI RN
ATI Perfusion Quizlet
1. Which assessment finding should the nurse caring for a patient with thrombocytopenia communicate immediately to the healthcare provider?
- A. The platelet count is 52,000/µL
- B. The patient is difficult to arouse
- C. There are purpura on the oral mucosa
- D. There are large bruises on the patient's back
Correct answer: B
Rationale: The correct answer is B. Difficulty in arousing the patient may indicate a cerebral hemorrhage, which is life-threatening and requires immediate action. While a low platelet count (choice A) is concerning in thrombocytopenia, it does not require immediate communication unless accompanied by active bleeding or other critical symptoms. Purpura on the oral mucosa (choice C) and large bruises on the patient's back (choice D) are important findings in thrombocytopenia but do not indicate an immediate life-threatening situation like a possible cerebral hemorrhage.
2. A patient who is receiving methotrexate for severe rheumatoid arthritis develops a megaloblastic anemia. The nurse will anticipate teaching the patient about increasing oral intake of
- A. iron.
- B. folic acid.
- C. cobalamin (vitamin B12).
- D. ascorbic acid (vitamin C).
Correct answer: C
Rationale: The correct answer is C: cobalamin (vitamin B12). Methotrexate can lead to a deficiency in cobalamin, resulting in megaloblastic anemia. Therefore, increasing the oral intake of cobalamin is essential to address this deficiency. Choice A, iron, is incorrect because megaloblastic anemia caused by methotrexate is not typically due to iron deficiency. Choice B, folic acid, is also incorrect as methotrexate does not directly cause folic acid deficiency. Choice D, ascorbic acid (vitamin C), is incorrect as it is not directly related to megaloblastic anemia caused by methotrexate; instead, cobalamin is the key vitamin that needs attention.
3. A patient with immune thrombocytopenic purpura (ITP) has an order for a platelet transfusion. Which information indicates that the nurse should consult with the healthcare provider before obtaining and administering platelets?
- A. Platelet count is 42,000/µL
- B. Petechiae are present on the chest
- C. Blood pressure (BP) is 94/56 mm Hg
- D. Blood is oozing from the venipuncture site
Correct answer: A
Rationale: The correct answer is A. Platelet transfusions are not usually indicated until the platelet count is below 10,000 to 20,000/µL unless the patient is actively bleeding. In this case, with a platelet count of 42,000/µL, the count is not critically low, and the patient is not actively bleeding. Therefore, the nurse should consult with the healthcare provider before giving the transfusion. Choices B, C, and D are incorrect because the presence of petechiae, low blood pressure, and oozing from the venipuncture site are common findings in patients with ITP and do not necessarily require immediate consultation before administering a platelet transfusion.
4. The nurse is caring for a patient who is being discharged after an emergency splenectomy following a motor vehicle crash. Which instructions should the nurse include in the discharge teaching?
- A. Check frequently for swollen lymph nodes.
- B. Watch for excessive bleeding or bruising.
- C. Take iron supplements to prevent anemia.
- D. Wash hands regularly and avoid individuals who are ill.
Correct answer: D
Rationale: The correct answer is D: 'Wash hands regularly and avoid individuals who are ill.' After a splenectomy, the patient is at an increased risk of infection, particularly from gram-positive bacteria. Proper hand hygiene and avoiding contact with sick individuals are crucial to prevent infections. Choices A, B, and C are incorrect because checking for swollen lymph nodes, watching for excessive bleeding or bruising, and taking iron supplements are not specifically related to the increased infection risk post-splenectomy.
5. A 62-year-old man with chronic anemia is experiencing increased fatigue and occasional palpitations at rest. The nurse would expect the patient's laboratory test findings to include
- A. an RBC count of 4,500,000/μL.
- B. a hematocrit (Hct) value of 38%.
- C. normal red blood cell (RBC) indices.
- D. a hemoglobin (Hgb) of 8.6 g/dL.
Correct answer: B
Rationale: The correct answer is B. In chronic anemia, the hematocrit (Hct) value is a crucial indicator of the proportion of red blood cells in the blood. A hematocrit value of 38% indicates a lower than normal level of red blood cells, which aligns with the patient's symptoms of fatigue and palpitations. Choices A, C, and D are incorrect because a low RBC count, normal RBC indices, and a hemoglobin level of 8.6 g/dL do not specifically address the decreased red blood cell mass associated with chronic anemia.
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