Which practice contributes to the antibiotic resistance of bacteria?

taking only part of a prescribed antibiotic

completing an entire antibiotic prescription

storing medicine and antibiotic products improperly

What is the main purpose of hand sanitizer?

to decrease the bacteria found on one’s hands

to reduce the number of virus strands

to increase cell production on one’s hands

How does the structure of a virus compare to that of a bacterium?

The virus is nonliving so it has no cells, whereas the bacterium is single-celled.

They are both multicellular and living.

They are both single-celled and nonliving.

The bacterium is nonliving, so it has no cells, whereas the virus is single-celled.

Which is the best way to prevent the spread of pathogens?

Wash hands frequently with antibacterial soap.

Educate the public about disease transmission.

Stay at home during flu season whenever possible.

Why do some antibiotics become ineffective over time?

because they are overused for treatments

because they only kill certain viruses

because they mutate before being used

because they only work for a few hours a day

How are viruses different from most other microbes?

They are only seen with a microscope.

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

Viruses can mutate from year to year.

Viruses replicate more rapidly over time.

Vaccines are absorbed by the body after a year.

Vaccines get stronger over time.

Ten people became sick with the flu after attending a school dance. What is the scenario that could best explain how the people got sick?

contact with an infected person

contact with environmental sources

contact with an infected animal

contact with a contaminated object

Which best describes the size of a virus compared to the size of bacteria?

Bacteria are small, while viruses are smaller.

Bacteria are small, while viruses are larger.

Bacteria are large, while viruses are larger.

Which best describes how athlete’s foot is spread to other individuals?

having contact with fungus on a shower floor

inhaling fungal spores in the air

eating food contaminated with fungus

swimming in a lake that has a large amount of algae

A student sorted a list of diseases and conditions into two groups.

caused by environmental conditions.

not treatable with medications.

Which best explains why antibiotics are ineffective in treating viral infections?

Antibiotics only kill living cells.

Viruses destroy the antibiotic.

Antibiotics increase the rate of viral growth.

Viruses escape antibiotics by hiding in cells.

Which is the best requirement for viruses to reproduce?

The virus must be inside a living cell.

The virus must produce a toxin.

How can the rate of an infectious disease be drastically reduced?

by preventing transmission between people

by wearing clean clothing daily

by performing dental hygiene three times each day

Which will most likely occur when the quality of sanitation in an area improves?

The number of infectious disease cases will decrease.

The number of disease carriers will increase.

The amount of available food resources will decrease.

The amount of necessary medical treatment will increase.

Which would most likely prevent a cold virus from spreading through a classroom?

Have all students wash their hands regularly with soap.

Have a large supply of tissues on the teacher’s desk.

Have all students shake hands regularly with all students.

Have all students wipe desk with dry paper towel at end of class.

How are an epidemic and pandemic alike?

Both involve an outbreak of a disease.

Both involve a viral infection.

Both involve a bacterial infection.

Both involve small numbers of infected individuals.

8.L.1.1 & 8.L.1.2 Assessment

Authored by Eric Loveday

Other Sciences, Biology

8th Grade

Used 798+ times

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40 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Health department officials are trying to identify the source of an outbreak of an intestinal virus. Which is the most likely source of the virus?

polluted air

lack of exercise

contaminated water

poor nutritional habits

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which best compares bacteria and viruses?

Bacteria are smaller than viruses.

Bacteria cause disease, but viruses do not.

Bacteria are living organisms, but viruses are not.

Bacteria have genetic material, but viruses do not.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which pair correctly matches a vector and the infectious disease it carries?

human – influenza

opossum – rabies

mosquito – malaria

flea – Lyme disease

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which environmental conditions contribute most to the spread of bacteria?

cold temperatures and low humidity

warm temperatures and low humidity

cold temperatures and high humidity

warm temperatures and high humidity

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which best explains why viruses are dangerous to humans?

They are all airborne.

They are easily spread.

They are better suited to live in cold environments.

They cannot be treated for several months after infection.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which best explains how a nonliving virus is able to reproduce?

A virus becomes living when in contact with a host organism.

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

A virus infects a host organism by pulling the DNA from the cells of the host organism into itself.

A virus becomes living when a sufficient number of viruses invade a host organism and cause an infection.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which disease can be transmitted by casual contact between two individuals?

influenza

malaria

kidney disease

Lyme disease

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