8.L.1.1 Structure & Function CYU

Which of these diseases is caused by a bacterium?

• rabies

• influenza

• strep throat

• chicken pox

Diseases that can be transmitted between organisms are

• infectious

• inherited

• environmental

• congenital

A weakened or dead form of the pathogen that stimulates the immune system to make antibodies is called

• vaccine

• antiviral

• antibiotic

Drugs that slow down the rate at which the virus reproduces are often called

• antiviral

• vaccine

• antibiotic

_____ is immune to change.

• mutate

• resistant

• transmit

A doctor prescribed an antibiotic to treat an illness. Which type of illness did the doctor most likely?

• cancer

• heart disease

• viral infection

• bacterial infection

Which characteristic do all microbes share?

• They are all microscopic in size.

• They all need oxygen to survive

• They all exist in similar conditions

Which characteristic of bacteria makes it useful in producing medications?

• Bacteria have spiral shapes.

• Bacteria multiple very rapidly

• Bacteria are larger than viruses.

• Bacteria are rod-shaped structures

A tapeworm lives in the intestines of its host. Which example best describes the relationship between the tapeworm and its host?

• A tapeworm benefits from its host; however, the host is not affected.

• The tapeworm does not benefit from its host, but the host does benefit.

• The tapeworm benefits from its host, and the host is negatively affected.

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NGSS.MS-LS2-2

Why do doctors suggest that people get a flu vaccine each year?

• Viruses replicate more rapidly over time

• Viruses can mutate from year to year

• Vaccines are absorbed by the body after a year

• Vaccines get stronger over time

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NGSS.MS-LS4-4