Medical Quiz

Viruses Quiz


Which of the following is one important difference between a virus and a bacterial cell?

A. a virus is much larger in size than a bacterial cell

B. a virus always causes more severe disease than a bacterial cell

C. a virus can never reproduce on its own, but a bacterial cell can

D. a virus does not contain genetic material, but a bacterial cell does

The single deadliest entity on Earth is the ______________.

A. bacteria

B. bacteriophage

C. antibiotic

Why is it that a virus that infects a human is not likely to infect a dog or a cat?

A. viruses only infect humans

B. viruses are specific to a host

C. dogs and cats do not get diseases

D. viruses do not infect living things

A virus is made up of

A. cells

B. protein coat

C. genetic material and protein coat

D. bricks

What type of cells are infected by viruses?

A. bacteria

B. plant

C. animal

D. all of these

cell in which a virus reproduces

A. endospore

B. host cell

C. bacteriophage

D. plasmid

Viruses are considered nonliving because they

A. contain too much protein

B. do not have a specific shape

C. cannot be exposed to light

D. do not have ALL of the characteristics of living things

Vaccines are produced by using _____ from another organism.

A. cells


C. antibodies

D. a nucleus

A disease that occurs over a wide geographical area and affects a large proportion of the population is a(n)

A. pandemic

B. epidemic

C. natural disaster

D. plague

Which of the following is a true statement about viruses?

A. viruses are smaller than bacteria

B. viruses are only treated with antibiotics

C. most viruses are saprotrophs

D. all viruses are multicellular

A/an ________ is an injection of a weakened form of a pathogen to help the individual gain immunity from a disease.

A. Virus

B. Vacuum

C. Vaccine

D. Antibiotic

You are a doctor and Little Billy is in your office with the flu. His mother wants you to prescribe an antibiotic. Which would be the best response?

A. “Absolutely, get that kid an antibiotic!”

B. “Actually, he just needs to take a painkiller.”

C. “Unfortunately, antibiotics do not work against viruses like the flu.”

D. “Give him a vaccine and he will feel better right away!”

Which statement about viruses is true?

A. all viruses are latent

B. viruses are considered living things

C. all viruses contain DNA

D. viruses do not contain organelles

Spherical, complex, cylindrical, and polyhedral are all

A. types of viruses

B. life cycles of viruses

C. viruses that infect only animals

D. shapes of viruses

What are viruses made of?

A. fat molecules


C. eukaryotic cells

D. bacteria

______________________________ doses of the flu vaccine in the United States has been given (October 2019).

A. 16 Million

B. 6 Million

C. 116 Million

___________________________ develops when a mother passes antibodies to her unborn baby.

A. natural immunity

B. codependency

C. natural selection

Influenza is caused by a ___________________.

A. virus

B. bacteria

C. prion

Viruses are difficult to treat because they

A. take too long to reproduce

B. are constantly changing

C. are too big

D. have a cell wall

When a virus enters a cell and it immediately makes copies of itself this is called _______________________________.

A. remediation

B. replica

C. replication

Viruses are _______.

A. producers

B. consumers

C. parasites

D. decomposers

The head of the bacteriophage sits on a long ____________.


B. tail fibers

C. tail

The organization in the United States that tracks diseases and vaccinations is called the

A. CFC — Combined Federal Campaign

B. CDC — Center for Disease Control and Prevention

C. NACDP — National Association for Control of Disease & Prevention

Viruses can affect which types of organisms? Except:

A. plants

B. animals

C. bacteria

D. bricks

Antibiotics only work against what organisms ?

A. viruses

B. bacteria

C. prions


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