ATI RN
ATI Hematologic System Test Questions
Question 1 of 5
A nurse is preparing to assist with a bone marrow biopsy. Which anatomical site should the nurse anticipate will be used to obtain the specimen?
Correct Answer: C
Rationale: The correct answer is C: Posterior iliac crest. This site is commonly used for bone marrow biopsies due to its accessibility and abundance of red bone marrow. The iliac crest is a flat bone, making it easier to access for the procedure compared to the round shape of other bones listed. Ribs (A) are not commonly used due to the risk of pneumothorax. The humerus (B) is not an ideal site as it contains mostly yellow bone marrow. Long bones in the legs (D) are not typically used for bone marrow biopsies due to the difficulty in accessing and the higher risk of complications.
Question 2 of 5
The nurse is staying with a patient who has been started on a blood transfusion. Which assessment should the nurse perform during a blood product infusion to detect a reaction?
Correct Answer: A
Rationale: Correct Answer: A (Vital signs) Rationale: Monitoring vital signs during a blood transfusion is crucial to detect any adverse reactions promptly. Changes in blood pressure, pulse rate, temperature, and respiratory rate can indicate a potential reaction. By assessing vital signs, the nurse can intervene promptly if there is any sign of an adverse reaction, such as fever, hypotension, tachycardia, or shortness of breath. Summary of Incorrect Choices: B: Skin turgor is not directly related to detecting a reaction during a blood transfusion. C: Bowel sounds are not indicative of a reaction during a blood transfusion. D: Pupil reactivity is not relevant for monitoring during a blood transfusion.
Question 3 of 5
The nurse is caring for a patient who has a white blood cell (WBC) count of 8000/mm³. What concern should the nurse have about this finding?
Correct Answer: D
Rationale: The correct answer is D because a WBC count of 8000/mm³ falls within the normal range of 4000-11000/mm³. The normal WBC count indicates the body's ability to fight infections and maintain immunity. The other choices are incorrect because: A: The patient does not necessarily have an infection based solely on the WBC count. B: The patient is not necessarily at risk for infection with a normal WBC count. C: There is no indication of a hematological disorder based on the WBC count within the normal range.
Question 4 of 5
The nurse is reviewing the activated partial thromboplastin time for a patient receiving heparin. Which value indicates that the medication is within the therapeutic range?
Correct Answer: C
Rationale: The correct answer is C (1.5 to 2.0 times normal) because the therapeutic range for heparin therapy is typically considered to be 1.5 to 2.0 times the normal control value for activated partial thromboplastin time (aPTT). This range ensures adequate anticoagulation to prevent clot formation without increasing the risk of bleeding. Options A, B, and D are incorrect because they provide ranges that are either too short or too long for the therapeutic goal of heparin therapy. Option A (2.5 to 9.5 minutes) and Option D (2.0 to 3.0 times normal) are outside the typical therapeutic range for heparin, indicating subtherapeutic and supratherapeutic levels, respectively. Option B (9.5 to 11.3 seconds) is also incorrect as it reflects a range for prothrombin time (PT) rather than aPTT.
Question 5 of 5
The nurse assesses a patient who has numerous petechiae on both arms. Which question should the nurse ask the patient?
Correct Answer: A
Rationale: The correct answer is A: Do you take salicylates? Petechiae can be a sign of salicylate use, which can cause bleeding disorders. By asking about salicylates, the nurse can determine if the petechiae are related to medication. Choice B is not directly related to petechiae. Choice C is more specific to antiseizure drugs and not commonly associated with petechiae. Choice D is unrelated to petechiae and focuses on hypertension management. Asking about salicylates is the most appropriate to assess potential medication-induced petechiae.