BLOOD

Which of the following blood components provide the major defense for our bodies against invading bacteria and viruses?

• Platelets

• Red Blood Cells

• White Blood Cells

Which of the following are likely to increase in quantities when the body is under attack from bacteria?

• Leukocytes

• Thrombocytes

• Erythrocytes

Antigens are:

• found on the surface of red cells

• kinds of red cells that identify a blood type

• relatively large carbohydrate molecules

Is it possible for a man with type A blood and a woman with type B blood to have a baby that has type O blood?

• Yes

• No

Which of the following cells do NOT have a nucleus?

• Erythrocytes

• Leukocytes

• Thrombocytes

The Scientific name for platelets

• Erythrocytes

• Thrombocytes

• Leukocytes

Erythrocytes transport oxygen and carbon dioxide. How many oxygen atoms can one erythrocyte transport?

• 4

• 250 million

• 1 billion

The process of blood clotting is called __________

• Agglutination

• Hemostasis

• Homeostasis

Most of the volume of normal human

blood is composed of:

• hemoglobin

• red blood cells

• plasma

• white cells

Which one of these blood alleles is recessive?

• A

• o

• B