A nurse determines that parents understood the teaching from the pediatric oncologist if the parents indicate that which test confirms the diagnosis of leukemia in children? a. Complete blood cell count (CBC) b. Lumbar puncture c. Bone marrow biopsy d. Computed tomography (CT) scan

ANS: C Feedback A A CBC may show blast cells that would raise suspicion of leukemia. It is not a confirming diagnostic study. B A lumbar puncture is done to check for central nervous system involvement in the child who has been diagnosed with leukemia. C The confirming test for leukemia is microscopic examination of bone marrow obtained by bone marrow aspiration and biopsy. D A CT scan may be done to check for bone involvement in the child with leukemia. It does not confirm a diagnosis. More test answers on https://studyhippo.com/chapter-48-the-child-with-cancer/

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What is Complete Blood Cell Count?

A complete blood cell count (CBC) is an essential part of a comprehensive health assessment. It is used to measure the number and types of different cells in the blood, including red blood cells, white blood cells, and platelets. This information helps doctors diagnose and treat a wide range of health problems.The CBC looks at the number, size, shape and color of the different cells that make up your blood. Red Blood Cells (RBCs), also known as erythrocytes, are responsible for transporting oxygen throughout your body. White Blood Cells (WBCs), also known as leukocytes, help fight infections and disease by attacking foreign bodies that enter the body. Platelets are responsible for helping to form clots when we have a cut or injury.When you have your CBC done by your doctor or at a lab they will look at several components of your CBC including: Hemoglobin levels this measures how much hemoglobin is in each red blood cell; Hematocrit this measures what percentage of total volume is made up of red blood cells; White Blood Cell Count this tells us how many white blood cells there are in one microliter (1/1 millionth) of our sample; Differential WBC Count this tells us what type and percentage each white cell makes up in our sample; Platelet Count this tells us how many platelets there are in one microliter (1/1 millionth) of our sample.In addition to these tests, doctors may order additional tests based on their findings from the initial CBC such as a reticulocyte count or peripheral smear if more information about red cell functioning is needed or a differential count if more information about white cell functioning is needed. A complete blood count can provide invaluable information about our overall health so it’s important to make sure you get yours done regularly.