1) The dermis is composed of connective tissue and serves the primary purpose of providing direct protection from the external environment.

2) Microorganisms that are members of the normal microbiota are also known to cause disease.

3) Maturation of stem cells into mature blood cells occurs in the red bone marrow.

4) The inflammatory response can only be triggered by an infection.

5) Histamine and kinins cause increased blood flow and capillary permeability.

6) Aspirin alleviates pain, inflammation, and fever by inhibiting prostaglandins.

7) Complement proteins in their intact and unactivated form act as opsonins by binding to microorganisms and promoting phagocytosis.

8) Digestion of microorganisms occurs in phagosomes.

9) An example of a TLR would be peptidoglycan found in the cell wall of gram-positive bacteria.

10) Ingestion of certain lactic acid bacteria (LABs) has been shown to be beneficial for function and health of the intestinal tract.