chapter 4

4. disease, a chronic disease characterized by damage to blood vessels of the brain resulting in disruption of circulation to the brain
6. the separation of infected persons from those who are susceptible
8. prevention, preventive measures that forestall the onset of illness or injury during prepathogenesis period
11. of infection, a model to conceptualize the transmission of a communicable disease from its source to a susceptible host
13. immunity, occurs when exposure to a disease-causing organism prompts the immune system to develop antibodies against disease
14. the planning for and taking of action to forestall the onset of a disease or other health problems
16. the ability of a biological agent to enter and grow in a host
18. a communicable disease transmissible under natural conditions from vertebrate animals to humans
19. the cause of a disease
20. the capability of a communicable disease agent to cause disease in a susceptible host

1. the complete elimination or uprooting of a disease
2. the killing of communicable disease agents outside the host, on countertops, for example
3. pathogens, disease agents, such as HIV, that are transmissible in blood and other body fluids
4. heart disease, a chronic disease characterized by damage to the coronary arteries in the heart
5. a disease that infects only humans
7. efforts to control a disease in progress
9. limitation of freedom of movement of those who have been exposed to a disease and may be incubating
10. transmission, the immediate transfer of an infectious agent by direct contact between infected and susceptible individuals
12. transmission, communicable disease transmission involving an intermediate step
15. the spread of cancer cells to distant parts of the body by circulatory or lymphatic system
17. a person or other living organism that affords subsistence or lodgment to a communicable agent under natural conditions