Biology 102

Dr. Brundage

Fall 2001

1. The lymph system is important for

A) Returning extracellular fluid to the blood stream
B) Protecting the body form bacterial infrections
C) "Educating" some of the cells of the immune system
D) Carrying lipids from the digestive system
E) All of the above

2. What type of antibacterial enzyme is found in many of the bodies fluids?

A) Pepsin
B) Lysozyme
C) Lipase
D) Amylase
E) None of the above

3. What product is secreted by mast cells during the inflamatory response to infection?

A) Lysozyme
B) Epinephrine
C) Histamine
D) Antibodies
E) None of the above

4. Which type of lymphocyte secretes antibodies to fight infections?

A) T Cells
B) Cytotoxic T Cells
C) B Cells
D) Macrophages
E) Eosinophils

5. Which cells are responsible for maintaining immunological memory?

A) Cytotoxic T Cells
B) Macrophages
C) Megakaryocytes
D) Effector B Cells
E) None of the above

6. What surface proteins are used by macrophages to display the antigens of foreign cells?

A) MHC markers
B) T Cell receptors
C) Cytokine receptors
D) Complement receptors
E) None of the above

7. Which type of cell engulfs bacteria to destroy them?

A) Macrophages
B) Basophils
C) B Cells
D) T Cells

E) Eosinophils

8. What type of genome does the HIV virus have?

B) A DNA genome

C) A combination of RNA and DNA genome

D) As a virus HIV does not have its own genome

9. What is one of the major functions of the spleen?

A) It secretes hormones that regulate the immune system

B) It is part of the digestive system

D) It really has no function