Ch 18 Practice Test

Doctors can say that a patient has an infection, if there are a lot of _________ in his blood.

• erythrocytes

• leukocytes

• thrombocytes

• plasma

• oxygen

Why we need Erythrocytes?

• they destroy bacteria and viruses

• they provide blood clotting

• they carry oxygen

• they digest the food

Which cells make blood clotting?

• thrombocytes

• leukocytes

• erythrocytes

• clotting cells

How long do erythrocytes live?

• forever
• 100-120 days
• 2 weeks only
• a year

What is the oxygen carrying pigment in blood?

• hematocrit
• hemopoesis
• hemoglobin
• hemostasis

Rh+ blood types are less common than Rh- blood types.

• true
• false

WBC that phagocytizes allergens and parasitic worms.

• lymphocyte
• eosinophil
• monocyte
• neutrophil

WBC that serves as an anticoagulant and intensifies inflammatory response

• neutrophil
• monocyte
• eosinophil
• basophil

Most common WBC; serve as phagocytes

• neutrophils
• monocyte
• lymphocyte
• basophil

B cells, T cells, and natural killer cells are ______.

• monocytes
• basophils
• eosinophils
• lymphocytes