Answers to End-of-Chapter Questions
CHAPTER 14 Infection, Infectious Diseases, and Epidemiology
Multiple Choice
Fill in the Blanks
Short Answer
1. Four types of symbiotic relationships are mutualism (wood-digesting protozoa in termite
4. ostulates are (1) the suspected pathogen must be present in every case of the
disease; (2) that pathogen must be isolated and grown in pure culture; (3) the cultured
Microbiology with Diseases by Body System, 5e
8. Resident microbiota are microbes normally found growing in or on a body long term,
Visualize It!
2. The red epidemic affected more people during the first three days. The red epidemic has
Critical Thinking
1. One of the results of the hormonal changes during menopause is a thinning of mucous
4. Yes, this is an epidemic. Shigella is still relatively rare in the United States, and 44% is a
fairly high incidence even for Shigella. If possible, I would interview as many of the
Answers to End-of-Chapter Questions
6. Use a method that kills the zooxanthellae in the corals: if the corals do poorly or die, the
relationship is probably a mutual one; if the corals seem unaffected, it is a commensal
Concept Mapping
1. Contact Transmission