ATI RN
ATI Perfusion Quizlet
1. A patient who has 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 scenario, the platelet count of 42,000/µL is not significantly low to warrant a platelet transfusion without active bleeding. Consulting with the healthcare provider is essential before giving the transfusion to ensure the appropriateness of the treatment. Choices B, C, and D are not directly related to the need for consulting before a platelet transfusion. Petechiae, low blood pressure, and oozing from the venipuncture site are common findings in patients with ITP and may not necessarily contraindicate a platelet transfusion at this platelet count.
2. A patient with pancytopenia of unknown origin is scheduled for the following diagnostic tests. The nurse will provide a consent form to sign for which test?
- A. Bone marrow biopsy
- B. Abdominal ultrasound
- C. Complete blood count (CBC)
- D. Activated partial thromboplastin time (aPTT)
Correct answer: A
Rationale: In the case of a patient with pancytopenia of unknown origin, a bone marrow biopsy is usually indicated to determine the cause. A bone marrow biopsy is a minor surgical procedure that requires the patient or guardian to sign a surgical consent form. Abdominal ultrasound (Choice B) is not typically used to diagnose pancytopenia. A Complete Blood Count (CBC) (Choice C) is a routine blood test and does not require a specific consent form. Activated Partial Thromboplastin Time (aPTT) (Choice D) is a coagulation test and not typically performed to diagnose pancytopenia.
3. A healthcare provider reviews the laboratory data for an older patient. The healthcare provider would be most concerned about which finding?
- A. Hematocrit of 35%
- B. Hemoglobin of 11.8 g/dL
- C. Platelet count of 400,000/μL
- D. White blood cell (WBC) count of 2800/μL
Correct answer: D
Rationale: A low white blood cell (WBC) count in an older patient is concerning as it indicates a potential compromise in the patient's immune function. White blood cells are crucial for fighting infections and a low count could lead to an increased risk of infections. Hematocrit, hemoglobin, and platelet count are important parameters to assess, but a low WBC count takes priority in this case due to its direct impact on immune health.
4. The nurse assesses a patient with pernicious anemia. Which assessment finding would the nurse expect?
- A. Yellow-tinged sclerae
- B. Shiny, smooth tongue
- C. Numbness of the extremities
- D. Gum bleeding and tenderness
Correct answer: C
Rationale: The correct answer is C: Numbness of the extremities. Numbness of the extremities is a common finding in patients with pernicious anemia, which is caused by cobalamin (vitamin B12) deficiency. This deficiency affects the peripheral nervous system, leading to neurological symptoms like numbness and tingling in the extremities. Choices A, B, and D are incorrect: Yellow-tinged sclerae is more indicative of jaundice or liver dysfunction, a shiny smooth tongue is seen in conditions like glossitis, and gum bleeding and tenderness are associated with periodontal disease or vitamin C deficiency, not pernicious anemia.
5. The nurse is caring for a patient in the cardiac unit recovering from a cardiac bypass graft procedure. The patient's spouse comes out to the hallway and expresses concern about the patient's confusion since surgery was 3 days ago. An appropriate response by the nurse would be:
- A. Let me call the doctor right away.
- B. What specific concerns do you have?
- C. It is common for confusion to occur after this procedure.
- D. I'll have the counselor come meet you in the room.
Correct answer: C
Rationale: Choice C is the correct answer because confusion can be a common occurrence after cardiac surgeries due to factors such as anesthesia, medication, and the stress of the procedure. By acknowledging the spouse's concern and explaining that confusion is a known potential outcome, the nurse provides reassurance and education. Choices A, B, and D are incorrect because they do not directly address the spouse's concern about the patient's confusion or provide appropriate information about the situation.
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