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Protist, Bacteria And Viruses Test Review 2
Test Description: Use this to review for the Protist, Bacteria and Viruses Test.
Instructions: Answer all questions to get your test result.
1) Plasmodium is a protozoan that carries malaria. Which organism is known to carry this protozoan?
A
mosquito
B
rodent
C
tick
D
flea
2) Why can a person catch a cold many times?
A
There are many kinds of viruses that cause colds and the person may be infected by different viruses each time.
B
Changes in weather conditions can cause a person to get a cold.
C
People do not develop an immunity to viruses and can be infected by the same virus again and again.
3) Which best describes the size of a virus compared to the size of bacteria?
A
Bacteria are small, while viruses are larger.
B
Bacteria are small, while viruses are smaller.
C
Bacteria are large, while viruses are larger.
4) Which epidemic could best be treated by antibiotics?
A
flu
B
AIDS
C
smallpox
D
cholera
5) Why is the prevention of epidemics usually easier than the prevention of a pandemic?
A
Affected individuals in epidemics are usually more concentrated in one area than in pandemics.
B
The diseases in an epidemic are less severe than in a pandemic.
C
Diseases causing pandemics are more contagious than diseases in an epidemic.
6) Which best describes how an outbreak of cholera begins?
A
An infected mosquito penetrates the skin of several humans, causing them to contract the disease.
B
A bacterial organism contaminates the drinking water of a community.
C
Fleas bite animals and humans causing the disease to spread.
7) If a monkey is a vector for an infectious disease, which best describes how it transmits into the human population and becomes an epidemic?
A
The monkey shares food.
B
The monkey inhales contaminated drops from the air.
C
The monkey bites a human.
8) Which is the best requirement for viruses to reproduce?
A
The virus must be a pathogen.
B
The virus must be inside a living cell.
C
The virus must produce a toxin.
9) Which has had the greatest impact on preventing epidemics in the twenty-first century?
A
immunizations
B
good hygiene
C
new medicines
10) Which best explains why a contagious disease is likely to become an epidemic?
A
creation of supergerms due to the overuse of antibiotics
B
failure to follow safety rules when handling bacteria
C
lack of understanding as to how the disease is spread
11) Why is antimicrobial resistance a serious public health issue?
A
because of the increasing cases of antibiotic-resistant microbes related to hospital stays
B
because of the limited availability of antibiotics to the public
C
because of the difficulty in educating the public on the topic of proper medication use
12) What is most unique about E. coli?
A
It is harmless in animals’ intestines, but if ingested may cause illness.
B
It is a bacteria that has caused outbreaks through contaminated food.
C
It is a bacteria that causes illness in humans.
*select an answer for all questions
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