Microbes
Disease
Spread & Prevention
Modern Advances
Grab Bag
100

Why are viruses not considered alive according to the cell theory?

They can't reproduce without a host.

100

Influenza, AIDS, and Smallpox are all caused by ______________.

viruses

100

What is the vector for Malaria?

mosquitoes

100

What do doctors prescribe to help with a bacterial infection?

antibiotic

100

Antibiotics only work on bacteria.

True or False

True

200

Which is true of both bacteria and viruses? They both______________.

are living, are nonliving, contain DNA

contain DNA

200

If you get strep throat, your doctor will likely prescribe Penicillin, which is an _________________ made from the Penicillum fungus.

antibiotic

200

What is the point of frequently washing your hands with soap and water?

To remove germs from your skin

200

Louis Pasteur studied how food spoiled. What did he learn when he investigated "spontaneous generation"--the belief that food just went bad all by itself?

-microorganisms in the air caused food spoilage, parasites cause disease, fermentation makes wine

microorganisms in the air caused food spoilage

200

Why are viruses not considered alive?

They need a host to reproduce.

300

If a bacteria can split into 2 cells in 20 minutes, how many bacterial cells would there be after 3 hours had passed?

~100, ~250, ~500, ~650

~500

300

Which of the following is most likely to spread an illness among people?

(a playground accident, acid rain, genetic mutation, a virus suspended in the air)

a virus suspended in the air

300

What is your best line of defense against spreading germs from one person to another?  (Meaning: What is the best way to protect yourself from germs)

Wash your hands with soap and water.

300

How can a disease spread around the globe in 24 hours?

air travel

300

Why do people tend to get sick when it is cold outside?

People tend to stay inside around other people which can spread germs.
400

What is the main limiting factor to bacterial reproduction?

(antibiotics, fungal creams, availability of resources)

availability of resources

400

An infection caused by a cut in the skin is the direct result of ____________.

(gene mutation, foreign cell invasion, allergic reaction)

foreign cell invasion

400

Humans with HIV can transmit the HIV virus to others even when they show no symptoms. What word describes the unaffected person who spreads the disease?

Carrier

400

Why do researchers study drug-resistant microbes?

To lower the number of drug-resistant microbes 

OR
Find a drug that will work on those drug resistant microbes

400

After WWI, Spanish Flu killed over 50 million people worldwide. What word describes this occurance?

Pandemic

500

How do viruses affect other organisms?

They invade the cells of the host, using them to reproduce.

500

Why should you not take an antibiotic when you have the flu?

Antibiotics only work on bacteria, and flu is caused by a virus.
500

Why are diseases transmitted through animal bites not considered to be contagious?

Only the person bit is the one who gets infected.

500

What is the best explanation of Louis Pasteur's pasteurization of milk (heating it before placing it in sealed containers)?

The heat kills germs that could cause spoiling.

500

Damp conditions promote the growth of what 2 diseases?

(Strep throat, polio, athlete's foot, malaria)

Athlete's foot & Malaria

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