1. 1. A factor or agent which increases the risk of cancer is known as a
a. teratogen
b. mutagen
c. carcinogen
d. fomite: Answer- carcinogen
2. 2. The four major causes of death among all age groups of
Americans include all of the following
except.
a. homicide
b. accidents
c. malignant neoplasms
d. heart disease: Answer- homicide
3. 3. In recent years, the largest number of rabies cases were associated
with
a. skunks
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,b. bats
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,c. dogs
d. raccons.: Answer- skunks
4. 4. Asbestosis is caused by fine silicate fibers retained in the
a. kidneys
b. lungs
c. colon
d. abdomen: Answer- lungs
5. 5. An illness due to a specific infectious agent or its toxic product
which is transmitted from a
reservoir to a susceptible host either directly or indirectly is called
a. an infectious disease
b. a communicable disease
c. a genetic disease
d. a noncommunicable disease: Answer- a communicable disease
6. 6. Rocky mountain spotted fever is spread by
a. flies
b. spiders
c. cockroaches
d. ticks: Answer- ticks
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, 7. 7. Mycotoxins are poisonous chemicals produced by
a. bacteria
b. vertebrates
c. viruses
d. fungi: fungi
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