Medical Office Administration
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2. Which of the following statements is true? A. CBC with differential tells a physician the number and percentage of WBCs in the blood B. A differential must be performed manually by making and staining a slide. C. A differential is only performed on patients with leukemia. D. None of these statements are true. att man 10. Which of the following statements is true? A. Hemoglobin is a measure of oxygen carrying capacity and hematocrit is the size of the RBCs. B. Hemoglobin is a measure of oxygen carrying capacity and hematocrit measures the percentage of RBCs in whole blood. C. Hemoglobin measurements must be performed in a hospital or reference lab. D. Hemoglobin and hematocrit levels will always be elevated in patients with anemia. 13. Which of the following statements is true? A. CBC performed on sodium citrate whole blood; coagulation studies are performed on EDTA plasma. B. CBC is performed on EDTA whole blood, coagulation studies are performed on sodium citrate plasma. C. CBC performed on EDTA whole blood; coagulation studies are performed on sodium citrate whole blood. D. CBC is performed on sodium citrate plasma; coagulation studies are performed on sodium citrate plasma. 16. Which of the following statements is true? A. White blood cells protect against pathogens by producing antibodies. B. White blood cells defend against pathogens via phagocytosis. C. White blood cells can produce enzymes that can destroy pathogens. D. All of the above statements are true. 6. What is the number one function of red blood cells? A. Carry CO2 to the tissues and return 02 to the lungs. B. Carry 02 to the heart and return CO2 to the lungs. C. Carry to the tissues and return to the lungs D. Produce antibodies.
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