Unit VI: The Hematologic System
Choose One:
1. Mr. S. has a platelet count of 50,000/mm3. What does this value indicate?
2. Albert is a 16-year-old who has been treated for the past year for acute lymphocytic leukemia. He arrives in the emergency department with an altered level of consciousness, low-grade fever, and purulent urine. His father states Albert reported pain on urination that morning. You require two attempts to start his intravenous catheter and detect that he continues to bleed from these needle sticks after 5 minutes with hematoma formation at the first site. You suspect that Albert has developed disseminated intravascular coagulation (DIC). What diagnostic tests would be required?
3. Howard, a 56-year-old smoker, has chronic obstructive pulmonary disease (COPD). He arrives at the clinic for a regular follow-up visit. His erythrocyte count, hemoglobin, and hematocrit are all elevated. What is the name of this type of disorder, and what is the likely cause?
4. Ms. Smith brings her 3-year-old son to the clinic with reports of lethargy, pallor, and fever. His hemoglobin is 6.8 gm/dL, and his white blood cell count is elevated. The physician requests you prepare him for a bone marrow aspiration, and Ms. Smith wants to know why her child has to have this test.
Each discussion posting must be professionally
referenced according to APA guidelines and include professional journal articles and may include professional websites.
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