Blood and Circulatory System Quiz

What is the main function of erythrocytes?

• Fight infections

• Transport oxygen

• Produce hormones

• Aid in digestion

What percentage of blood is plasma?

• 25%

• 45%

• 55%

• 75%

What color is oxygen-rich blood?

• Blue

• Dark red

• Bright red

• Yellow

What type of blood can a person with type O blood receive?

• Only O

• A and O

• B and O

• Any blood type

The SA node is also known as:

• The heart's pacemaker

• The heart’s valve

• The heart’s pump

• The heart’s chamber

What is the function of leukocytes?

• Clot blood

• Carry oxygen

• Fight infections

• Regulate blood pressure

What is the universal blood donor type?

• A

• B

• AB

• O

What is the universal blood recipient type?

• A

• B

• AB

• O

What blood disorder is caused by a lack of clotting factors?

• Sickle-cell anemia

• Hemophilia

• Anemia

• Leukemia

What condition is defined by high blood pressure?

• Hypotension

• Hypertension

• Arrhythmia

• Anemia