Innate immune Function Pre-Questions 1. Which of the following DO NOT form part of physical barriers? a. sweat b. sebaceous secretions c. unbroken skin d. mucous membrane e. T cells 2. The term is given to any foreign substance that stimulates a specific immune system response. a. Antigen 3. The immune defenses are divided into how many basic categories. a. five b. four c. two d. three 4. Chemical barriers include: (Select all that apply) a. Mucous b. Food c. Hydrochloric acid d. Sweat 5. Monocytes differentiate into when the cells migrate to tissues. a. macrophages b. neutrophils c. lymphocytes d. basophils In between study questions 6. Nonspecific chemical defenses include: a. lysozyme b. stomach hydrochloric acid c. All of the answers are correct d. lactic acid and electrolytes of sweat e. the skin's acidic pH and fatty acids 7. Which of the following is not an event of phagocytosis? a. Phagolysosome formation b. Chemotaxis c. Diapedesis d. Ingestion e. Destruction