What does the root word "Cardio" mean?

• Heart

• Cell

• Red

• Lung

Blood is (a)   when it leaves the lungs.

• Dark red
• Bright red
• Blue
• Green

Where are red blood cells produced?

• Liver

• Spleen

• Bone marrow

• Heart

Which leukocyte has a kidney-shaped nucleus?

• Neutrophils

• Monocytes

• Basophils

• Eosinophils

Which leukocyte is the most numerous?

• Neutrophils

• Monocytes

• Lymphocytes

• Basophils

Match the following leukocytes with their characteristics.

• Rarest leukocyte

• Monocytes

• Largest type of leukocyte

• Neutrophils

• Most abundant leukocyte

• Lymphocytes

• Key player in the immune response

• Basophils

(a)   releases histamine.

• Eosinophils
• Neutrophils
• Lymphocytes
• Basophils

How many major blood types are there?

• 8

• 4

• 6

• 2

The 3 possible antigens/proteins are (a)   , (b)   , and (c)   .

• A, B, Rh
• X, Y, Z
• M, N, O
• P, Q, R

A person has Type A+ blood. They receive Type B+ blood. Which antigen/s on the B+ blood cause a problem?

• A antigen

• B antigen

• Rh antigen

• None