Microbe/Disease Review

What is NOT an example of a contagious disease?

• Disease transmitted by insect bites (e.g. Lyme Disease)

• Disease transmitted by fluids (e.g. HIV)

• Disease transmitted by direct contact (e.g. Pink Eye, Chicken Pox)

Why are diseases transmitted through the bites of infected animals not considered

contagious diseases?

• humans do not become sick from animal diseases.

• Infected animals don't show symptoms

• The person in direct contact is the only one infected.

• The diseases are treatable with antibiotics.

What is a vector?

• an organism that transmits a disease/parasite from one animal/plant to another.

• a disorder of structure or function that produces specific signs or symptoms or that affects a specific location.

• a widespread occurrence of an infectious disease in a community at a particular time.

• an infective agent that is very small and is able to multiply only within the living cells of a host.

The bacteria that causes bubonic plague is transmitted to humans by

fleas. Which term best describes the role of the fleas in transmitting

bubonic plague?

• Vector

• Decomposer

• Parasite

• Disease

Which is NOT true about bacteria and viruses?

• Bacteria are larger than viruses

• Bacteria do not spread as easily as viruses

• Bacteria are nonliving, viruses are living

• Both bacteria and viruses contain genetic information

How are viruses (nonliving microbes) able to reproduce?

• A virus reproduces through a process called binary fission

• A virus infects a host organism by injecting its DNA into the cells of

  the host organism.

• A virus reproduces using a form of sexual reproduction

• A virus becomes living when it infects a host organism

What is a best practice during flu season?

• Stay home at all times

• Educate the public about the harmful effects of flu

• Wear gloves

• Frequently wash you hands

A large number of flu cases have developed quickly in North Carolina.

Health care professionals urge the population of North Carolina to receive

a flu vaccine. Which explains what they were trying to achieve?

• They were trying to prevent the spread of a bacterial pandemic.

• They were trying to prevent the spread of a viral epidemic

• They were trying to prevent the spread of a viral pandemic.

• They were trying to prevent the spread of a bacterial epidemic.

What term best describes a global outbreak of disease?

• Pandemic

• Epidemic

• Outbreak

How are viral diseases typically treated/prevented?

• Antifungals

• Antibiotics

• Vaccines

• Medicines