ATI RN · ATI Medical Surgical · Anatomy of Hematologic System
Full Question & Rationale Repository
Showing all 5 practice questions with expert explanatory rationales.
Cooley's anemia is:
Expert Explanatory Rationale
Correct Answer: thalassemia major
A 14-year-old male patient is diagnosed with very high risk acute lymphoblastic leukemia and is likely going to require an allogeneic hematopoietic stem cell transplant to cure his leukemia. Prior to going to transplant, he is likely to require multiple blood transfusions. Which of the following products or component modifications is the best way to prevent him from developing alloimmunization due to anti-HLA antibodies prior to transplant?
Expert Explanatory Rationale
Correct Answer: Leukoreduced blood products
A 13-year-old boy presents to the emergency department with complaints of headache and visual changes. History reveals progressive dyspnea on exertion, generalized fatigue, and increased bruising. His labs are significant for a WBC of 350,000/mcL, of which 80% are reported to be blasts and appear to be myeloblasts without the presence of Auer rods. His hemoglobin is 7.2 g/dL, and his platelets are 18,000/mcL. A CT scan of the head shows a small intracerebral hemorrhage. His coags are normal. Which of the following is the most appropriate therapy?
Expert Explanatory Rationale
Correct Answer: Perform emergent leukapheresis plus hydroxyurea.
A patient shows prolonged prothrombin time and activated partial thromboplastin time. Blood test otherwise is normal. Which of the following is the most probably diagnosis for this patient's condition?
Expert Explanatory Rationale
Correct Answer: Vitamin K deficiency
You have a new patient consult in clinic this morning. The referral packet includes the newborn screen report, which is flagged abnormal hemoglobinopathy screen, F, A, Bart's, refer to hematology, and a complete blood count done at 4 years of age with a hemoglobin of 10 g/dL and an MCV of 68. The pediatrician has informed the parents the child has some form of alpha thalassemia. The older brother had the same newborn screen results but had a normal complete blood count when checked. The mother wants to know why her second child has an abnormal complete blood count when she and her husband do not have any blood problems. How would you respond to the child's mother?
Expert Explanatory Rationale
Correct Answer: The mother and father are both silent carriers and each passed a deleted alpha globin allele to their child. The child inherited a trans-deletion genotype alpha thalassemia trait.
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