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Viruses
Test Description: Please complete the review game about viruses.
Instructions: Answer all questions to get your test result.
1) Vaccines prevent disease by
A
preparing the immune system to recognize and destroy pathogens.
B
bringing bacteria to infect healthy cells
C
containing specific T lymphocytes
D
combining with pathogens to inactivate them
2) Which event listed is most likely to cause a widespread influenza outbreak?
A
Winter precipitation is increased due to global warming.
B
The influenza virus is recognized by host immune systems.
C
The northern portion of the country is affected by winter-like weather patterns.
D
People do not have immunity to a new strain of the influenza virus.
3) How might a disease-causing virus be similar to a computer virus?
A
neither are dangerous
B
both are small
C
it is difficult for them to spread
D
neither impact humans
4) Viruses have a core made up of everything listed here except
A
DNA
B
RNA
C
plasmids
D
genetic material
5) All of the following are considered classification groups of viruses except
A
RNA viruses
B
lysogenic viruses
C
retroviruses
D
DNA viruses
6) When a virus invades a host the most common threat is
A
production of viral fluids in the bloodstream.
B
destruction of cells by viral reproduction.
C
fermentation of acids in the digestive system.
D
stimulation of muscle tone in the heart.
7) Viruses and bacteria are both microscopic and can both cause disease. Viruses differ from bacteria in that all viruses
A
can be destroyed by antibiotics
B
need a living host cell to reproduce
C
cause insect transmitted diseases
D
have cell walls
8) Some diseases are caused by bacteria, protists, invertebrates or viruses. How do diseases caused by bacteria and diseases caused by viruses react to antibiotics?
A
Both respond to antibiotics
B
Neither responds to antibiotics
C
Bacterial disease respond to antibiotics, viral disease do not.
D
Viral diseases respond to antibiotics, bacterial diseases do not.
9) Some viruses are responsible for cancer in humans. This is due to
A
production of viral fluids in the bloodstream.
B
fermentation of acids in the digestive system.
C
stimulation of muscle tone in the heart.
D
destruction of cells by viral reproduction.
10) Some viruses must insert their genetic material into the host cell's DNA. This is accomplished thanks to enzymes. The virus benefits from this action by
A
causing the host cell to produce new viruses
B
acquiring the traits of the host cell
C
introducing random deadly mutation into the host cell
D
changing the host cell into a virus
*select an answer for all questions
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