Match the following:
| 1. Mucus coating | A. Prevent Microbial growth |
| 2. Interferons | B. Phagocytosis by neutrophils and macrophages |
| 3. Polymorpho-nuclear leukocytes | C. Traps microbes in respiratory, gastrointestinal, and urogenital tracts |
| 4. Acid in the stomach | D. Protect non-infected cells |
1
1-C, 2-D, 3-B, 4-A
2
1-D, 2-B, 3-C, 4-A
3
1-D, 2-C, 3-B, 4-A
4
1-B, 2-D, 3-C, 4-A