Chapter 8

What percentage of whole blood is plasma?

• 45%

• 55%

• 65%

• 75%

Which component of whole blood carries oxygen?

• Thrombocytes

• Erythrocytes

• Leukocytes

• Plasma

What is the average life span of a red blood cell?

• 30 days

• 60 days

• 90 days

• 120 days

What is the function of white blood cells?

• Carry oxygen

• Provide infection protection

• Aid in blood clotting

• Repair blood vessels

Which type of white blood cells increase during a viral infection?

• Lymphocytes

• Neutrophils

• Monocytes

• Eosinophils

What is the liquid portion of anticoagulated blood called?

• Plasma

• Serum

• Thrombocytes

• Erythrocytes

What is the normal pH range of arterial blood?

• 6.0-6.5

• 6.5-7.0

• 7.0-7.5

• 7.5-8.0

How many major blood groups are there?

• 2

• 3

• 4

• 5

What is the protein that may or may not be present on all red blood cells' surfaces called?

• Antigen

• Antibody

• Rhesus factor

• Hemoglobin

Which blood type is considered the 'universal donor'?

• A+

• B-

• O-

• AB+