Blood and Immunity Quiz

What is the main function of hemoglobin in the blood?

• Fight infections

• Transport oxygen

• Produce hormones

• Clot blood

What does hematocrit measure?

• The number of white blood cells

• The percentage of red blood cells

• The amount of platelets

• Blood sugar level

Which test measures the rate at which red blood cells settle at the bottom of a test tube?

• Hematocrit

• Platelet count

• ESR (Erythrocyte Sedimentation Rate)

• WBC count

What does a high ESR typically indicate?

• Dehydration

• Inflammation

• High oxygen levels

• Low white blood cell count

Where does hematopoiesis primarily occur in adults?

• Liver

• Bone marrow

• Lymph nodes

• Spleen

Tags

NGSS.HS-LS1-4

Which white blood cell type is mainly involved in controlling allergic reactions?

• Basophils

• Neutrophils

• Eosinophils

• Lymphocytes

What is another term for the packed RBC volume?

• Hematocrit

• Hemoglobin

• ESR

• Platelet count

Which hormone triggers the production of new RBCs?

• Insulin

• Erythropoietin

• Hemoglobin

• Fibrinogen

What happens to red blood cells in sickle cell anemia?

• They lose their nucleus

• They become sickle-shaped

• They increase in number

• They have more hemoglobin

Tags

NGSS.HS-LS3-2

What do MCV, MCH, and MCHC measure?

• RBC shape

• Platelet count

• RBC size and hemoglobin content

• WBC differential