Communicable Disease

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1.
1 point
antibiotics work against viruses
2.
1 point
Active immunity develops when the body is exposed to antigens from invading pathogens
3.
1 point
An example of transmission by direct contact is
4.
1 point
During the immune response, certain types of white blood cells react to
5.
1 point
memory cells circulating in the bloodstream give the body long-term protection against many diseases
6.
1 point
Which of these is an example of a chemical barrier?
7.
1 point
Plasma cells releases macrophages into the bloodstream as part of the immune response
8.
1 point
Which type of lymphocyte attacks and destroys infected body cells
9.
1 point
Rickettsias enters humans through
10.
1 point
The most effective way a person can protect himself or herself from disease on a daily basis is
11.
1 point
A bacterial disease that usually attacks the lungs is
12.
1 point
A vaccine, such as that against hepatitis A that is made from inactivated pathogens, is called
13.
1 point
single-celled organisms that are larger and more complex than bacteria are
14.
1 point
Some infections can be transmitted through sneezing and coughing
15.
1 point
An antigen cannot trigger an immune response
16.
1 point
Which of the following diseases is caused by a virus?
17.
1 point
Helper T cells coordinate the activities of other T cells
18.
1 point
The immune response begins when a pathogen invades the body.
19.
1 point
Passive immunity usually lasts for only a short period of time
20.
1 point
Changes in the production and distribution of food can play a major role in the spread of emerging infections