HESI LPN · HESI LPN Medical Surgical Nursing · HESI The Hematologic System ATI

Several gene mutations have been associated with juvenile myelomonocytic leukemia (JMML), and they may or may not have prognostic implications. A gene expression–based classification system has been found to be an independent predictor of clinical outcome in these patients. What is the disease signature that predicts a poor outcome?

A client is having a radioisotopic imaging scan. What action by the nurse is most important?

The nurse is concerned that a patient is demonstrating signs of red blood cell production. What laboratory value did the nurse most likely use to make this decision?

An 18-year old male patient presents with bruising, fatigue, and diffuse extremity pain. He is noted to be tachypneic and hypoxic and has a diffuse interstitial infiltrate on chest x-ray. CBC reveals a WBC count of 285,000/mm3 (85% myeloblasts, with monocytic morphology), hemoglobin of 7.9 g/dL, and platelet count of 36,000/mm3. What is the most likely cause of the infiltrate and respiratory symptoms and the most appropriate initial treatment?

Plat. Transfusion is not indicated in: