1. What is a significant cause of morbidity and mortality worldwide?
a. Starvation
b. Traumatic injury
c.Cardiovascular disease
d. Infectious disease
2. What is the first stage in the infectious process?
a. Invasion
b. Colonization
c. Spread
d. Multiplication
3. Which type of microorganism reproduces on the skin?
a. Viruses
b. Bacteria and fungi
c. Protozoa and Rickettsiae
d. Mycoplasma
4. Phagocytosis involves neutrophils actively attacking, engulfing, and destroying which
microorganisms?
a. Bacteria
b. Fungi
c. Viruses
d. Yeasts
5. Once they have penetrated the first line of defense, which microorganisms do natural killer
(NK) cells actively attack?