PBT - Ch. 7

Deoxygenated blood moves from the __________ to the __________ to receive oxygen.

• Lungs, heart
• Arteries, heart
• Heart, lungs
• Torso, extremities

What is conducted by the network of specialized tissue in the cardiac conduction system?

• Deoxygenated blood

• Oxygenated blood

• Pain signals

• Electrical impulses

Exchanges of oxygen and carbon dioxide and of nutrients and waste take place in areas called

• Capillary beds

• Purkinje fibers

• Bundle branches

• Oxygenation centers

Systemic circulation carries blood

• Throughout the body

• From the heart to the lungs and back

• Through the heart in an organized pattern

• From the aorta to the chambers of the heart

Formed elements make up ______________ of the blood volume.

• About 9%
• About a quarter
• Just under a half
• Just over a half

Which type of blood cell is the most common among the formed elements?

• Neutrophils

• Monocytes

• Granulocytes

• Erythrocytes

B cells and T cells are varieties of

• Thrombocytes

• Megakaryocytes

• Lymphocytes

• Monocytes

Blood types are classified as

• A, B, C, and O

• O, X, and Y

• A, B, and AB

• A, B, AB, and O

A person who has A-positive blood has

• A antigens, anti-B antibodies, and Rh factor

• A antibodies, B antigens, and Rh factor

• B antigens, anti-A antibodies, and Rh factor

• A antigens, anti-B antibodies, and no Rh factor

Who is considered to be a universal blood donor?

• A person with type A, Rh-positive blood

• A person with type AB, Rh-negative blood

• A person with type AB, Rh-positive blood

• A person with type O, Rh-negative blood