Question

1. the best way to prevent tapeworms is to:

a. cook all meats adequately
b. avoid drinking contaminated water
c. wash their hands after using the toilet
d. protect oneself against insect bites

1. which statement describes the chain of infection?

a. the process the body uses to fight infection
b. the transmission of disease by insects
c. an interactive process by which infections are transmitted
d. a series of steps developed to control the transmission of infection

1. which of the following is the definition of a fomite?

a. bacterial infection transmitted through contaminated water.
b. nonliving object that is contaminated with an infectious agent.
c. person who experiences no symptoms, but can transmit an infection.
d. small worm that may be present in meat and which infects the intestinal tract.

1. which of the following is an example of an agent in the chain of infection?

a. proper nutrition
b. a virus
c. a contaminated pillowcase
d. handwashing

1. in the chain of infection, which of the following would most likely serve as a portal of exit?

a. hair
b. ear
c. nose
d. fingernail

1. which of the following is an example of a host in the chain of infection?

a pathogen
b. pesticide
c. insect bite
d. human body

Explanation:

1. Tapeworms are often found in under - cooked meats. Cooking meats adequately kills tapeworm larvae.
2. The chain of infection is an interactive process by which infections are transmitted, involving elements like the infectious agent, reservoir, portal of exit, mode of transmission, portal of entry, and host.
3. A fomite is a non - living object contaminated with an infectious agent.
4. In the chain of infection, an agent is the infectious organism. A virus is an example of an infectious agent.
5. The nose can be a portal of exit for pathogens through nasal secretions.
6. A host is an organism that harbors an infectious agent. The human body can be a host.

Answer:

1. A. Cook all meats adequately
2. C. An interactive process by which infections are transmitted
3. B. Nonliving object that is contaminated with an infectious agent.
4. B. A virus
5. C. Nose
6. D. Human body