BIOL 238

Sample Questions

Lymphatic System

1 through 5 Matching: Answers may be used more than once or not at all.

(A) Cytotoxic T-Cells, (B) memory cell, (C) Helper T-Cells, (D) Complement protein,

(E) Immunocompetent B-cells, (F) IgG,

1. The presence of this confers passive immunity against an antigen.

2. The presence of this confers active immunity against an antigen

3. These cells are activated by direct contact with an antigen.

4. Theses cells have CD4 receptor proteins which are the invasion route for HIV.

5. This can invade the cell membrane to cause cell lysis.

-----------------------------------------------------------------------------------------------------------------------------------------

6 through 10 Matching: Answers are each used once.

(A) lymph capillaries, (B) blood capillaries, (C) lymphatic veins, (D) large systemic veins,

(E) chyle cistern.

6. The lowest fluid pressure is found here.

7. This is the beginning point of the thoracic duct.

8. The muscular pump acts to produce lymphokinetic motion here.

9. These have one-way minivalves to prevent backflow of lymph.

10. This highest pressure in the above structures is seen here.