© 2013 Pearson Education, Inc. Chapter 13: Viruses, Viroids, and Prions $100 $200 $300 $400 $500...

© 2013 Pearson Education, Inc.

Chapter 13: Viruses, Viroids, and Prions

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Viral Characteristics

Viral Cultivation

Viral Infections

Viruses and Cancer

Prions/Viroids

FINAL ROUND


Topic 1: Viral Characteristics

$100 Question

Viruses differ from bacteria in that viruses

a. do not have any nucleic acid.

b. are obligate intracellular parasites.

c. are filterable.

d. are not composed of cells.

ANSWER

BACK TO GAME



$100 Answer

Viruses differ from bacteria in that viruses

a. do not have any nucleic acid.

b. are obligate intracellular parasites.

c. are filterable.

d. are not composed of cells.

BACK TO GAME



$200 Question

Which of the following statements about spikes is FALSE?

a. They are used for absorption.

b. They are used for nucleic acid replication.

c. They are found only on enveloped viruses.

d. They may cause hemagglutination.

BACK TO GAME

ANSWER



$200 Answer

Which of the following statements about spikes is FALSE?

a. They are used for absorption.

b. They are used for nucleic acid replication.

c. They are found only on enveloped viruses.

d. They may cause hemagglutination.

BACK TO GAME



$300 Question

Viruses that infect bacteria are called

a. bacteriophages.

b. prions.

c. viroids.

d. complex viruses.

BACK TO GAME

ANSWER



$300 Answer

Viruses that infect bacteria are called

a. bacteriophages.

b. prions.

c. viroids.

d. complex viruses.

BACK TO GAME



$400 Question

Viruses range in size from

a. 10 to 100 nm in length.

b. 10 to 1000 nm in length.

c. 20 to 100 nm in length.

d. 20 to 1000 nm in length.

BACK TO GAME

ANSWER



$400 Answer

Viruses range in size from

a. 10 to 100 nm in length.

b. 10 to 1000 nm in length.

c. 20 to 100 nm in length.

d. 20 to 1000 nm in length.

BACK TO GAME



$500 Question

Which of the following is NOT used as a criterion to classify viruses?

a. biochemical tests

b. size

c. morphology

d. number of capsomeres

BACK TO GAME

ANSWER



$500 Answer

Which of the following is NOT used as a criterion to classify viruses?

a. biochemical tests

b. size

c. morphology

d. number of capsomeres

BACK TO GAME


What is the most common method used to identify viruses?

a. serological methods

b. observation of cytopathic effects

c. PCR

d. morphology

Topic 2: Viral Cultivation

$100 Question

BACK TO GAME

ANSWER



$100 Answer

What is the most common method used to identify viruses?

a. serological methods

b. observation of cytopathic effects

c. PCR

d. morphology

BACK TO GAME


Viruses CANNOT be cultured in

a. laboratory animals.

b. cell culture.

c. embryonated eggs.

d. culture media.


$200 Question

BACK TO GAME

ANSWER


Viruses CANNOT be cultured in

a. laboratory animals.

b. cell culture.

c. embryonated eggs.

d. culture media.


$200 Answer

BACK TO GAME


What is cell deterioration due to viral infections termed?

a. transformation

b. transduction

c. cytopathic effect

d. plaques


$300 Question

BACK TO GAME

ANSWER


What is cell deterioration due to viral infections termed?

a. transformation

b. transduction

c. cytopathic effect

d. plaques


$300 Answer

BACK TO GAME



$400 Question

BACK TO GAME

ANSWER

Continuous cell lines are

a. transduced cells.

b. cancerous cells.

c. developed from human embryos.

d. derived from tissue slices.



$400 Answer

BACK TO GAME

Continuous cell lines are

a. transduced cells.

b. cancerous cells.

c. developed from human embryos.

d. derived from tissue slices.



$500 Question

A plaque is theoretically formed by

a. a single virus.

b. viruses infecting primary cell lines.

c. viruses injected into the yolk sac.

d. viruses injected into the amniotic cavity.

BACK TO GAME

ANSWER



$500 Answer

A plaque is theoretically formed by

a. a single virus.

b. viruses infecting primary cell lines.

c. viruses injected into the yolk sac.

d. viruses injected into the amniotic cavity.

BACK TO GAME


Topic 3: Viral Infections

$100 Question

Which of the following is an example of a persistent viral infection in humans?

a. cold sores

b. cervical cancer

c. shingles

d. leukemia

BACK TO GAME

ANSWER



$100 Answer

Which of the following is an example of a persistent viral infection in humans?

a. cold sores

b. cervical cancer

c. shingles

d. leukemia

BACK TO GAME



$200 Question

Which of the following is an example of a latent viral infection in humans?

a. smallpox

b. polio

c. shingles

d. mumps

BACK TO GAME

ANSWER



$200 Answer

Which of the following is an example of a latent viral infection in humans?

a. smallpox

b. polio

c. shingles

d. mumps

BACK TO GAME


How is a persistent viral infection different from a latent viral infection?

a. It remains in equilibrium with the host.

b. It can be reactivated by immunosuppression.

c. The infectious virus appears suddenly.

d. The infectious virus gradually builds up over a long period of time.


$300 Question

BACK TO GAME

ANSWER



$300 Answer

How is a persistent viral infection different from a latent viral infection?

a. It remains in equilibrium with the host.

b. It can be reactivated by immunosuppression.

c. The infectious virus appears suddenly.

d. The infectious virus gradually builds up over a long period of time.

BACK TO GAME



$400 Question

What is the primary effect of HTLV-1?

a. decreased CD4+ T cells

b. rapid mental deterioration

c. increased white blood cell growth

d. skin and mucous membrane lesions

BACK TO GAME

ANSWER



$400 Answer

BACK TO GAME

What is the primary effect of HTLV-1?

a. decreased CD4+ T cells

b. rapid mental deterioration

c. increased white blood cell growth

d. skin and mucous membrane lesions



$500 Question

SSPE is a type of _____ infection and is caused by the _____ virus.

a. latent; herpes simplex virus

b. latent; echovirus

c. persistent; measles

d. persistent; rubella

BACK TO GAME

ANSWER



$500 Answer

SSPE is a type of _____ infection and is caused by the _____ virus.

a. latent; herpes simplex virus

b. latent; echovirus

c. persistent; measles

d. persistent; rubella

BACK TO GAME


Topic 4: Viruses and Cancer

$100 Question

Cancer-causing alterations to cellular DNA affect parts of the genome called

a. introns.

b. oncogenes.

c. exons.

d. sense strand.

BACK TO GAME

ANSWER



$100 Answer

Cancer-causing alterations to cellular DNA affect parts of the genome called

a. introns.

b. oncogenes.

c. exons.

d. sense strand.

BACK TO GAME



$200 Question

Sarcoma is a cancer of _____ tissue.

a. nervous

b. epithelial

c. muscular

d. connective

ANSWER

BACK TO GAME



$200 Answer

Sarcoma is a cancer of _____ tissue.

a. nervous

b. epithelial

c. muscular

d. connective

BACK TO GAME



$300 Question

Which of the following viruses have reverse transcriptase?

a. Hepadnaviridae and Retroviridae

b. bacteriophage families

c. Herpesviridae and Retroviridae

d. Retroviridae and Picornaviridae

BACK TO GAME

ANSWER



$300 Answer

Which of the following viruses have reverse transcriptase?

a. Hepadnaviridae and Retroviridae

b. bacteriophage families

c. Herpesviridae and Retroviridae

d. Retroviridae and Picornaviridae

BACK TO GAME



$400 Question

a. T antigens appear in the nucleus of the cell.

b. Cells lose their ability to divide.

c. Cells tend to exhibit chromosomal abnormalities.

d. Tumor-specific transplantation antigens appear on the cell.

BACK TO GAME

ANSWER

Which of the following is NOT an effect of transformation?



$400 Answer

a. T antigens appear in the nucleus of the cell.

b. Cells lose their ability to divide.

c. Cells tend to exhibit chromosomal abnormalities.

d. Tumor-specific transplantation antigens appear on the cell.

BACK TO GAME

Which of the following is NOT an effect of transformation?



$500 Question

After being transformed by viruses, what do many tumor cells contain on their cell surface?

a. TSTA

b. PrP

c. PFU

d. ICTV

BACK TO GAME

ANSWER



$500 Answer

After being transformed by viruses, what do many tumor cells contain on their cell surface?

a. TSTA

b. PrP

c. PFU

d. ICTV

BACK TO GAME


Topic 5: Prions/Viroids

$100 Question

A viroid is a

a. provirus.

b. naked, infectious piece of RNA.

c. capsid without a nucleic acid.

d. complete, infectious virus particle.

BACK TO GAME

ANSWER



$100 Answer

A viroid is a

a. provirus.

b. naked, infectious piece of RNA.

c. capsid without a nucleic acid.

d. complete, infectious virus particle.

BACK TO GAME



$200 Question

Viroids infect

a. animals.

b. insects.

c. plants.

d. bacteria.

BACK TO GAME

ANSWER



$200 Answer

Viroids infect

a. animals.

b. insects.

c. plants.

d. bacteria.

BACK TO GAME



$300 Question

Scrapie is an example of an infection caused by a

a. prion.

b. viroid.

c. difficult-to-detect virus.

d. difficult-to-grow bacterium.

BACK TO GAME

ANSWER



$300 Answer

BACK TO GAME

Scrapie is an example of an infection caused by a

a. prion.

b. viroid.

c. difficult-to-detect virus.

d. difficult-to-grow bacterium.



$400 Question

One human disease caused by a prion is

a. mad cow disease.

b. Creutzfeldt-Jakob disease.

c. scrapie.

d. tularemia.

BACK TO GAME

ANSWER



$400 Answer

One human disease caused by a prion is

a. mad cow disease.

b. Creutzfeldt-Jakob disease.

c. scrapie.

d. tularemia.

BACK TO GAME



$500 Question

It is hypothesized that viroids evolved from

a. viruses.

b. exons.

c. introns.

d. prions.

BACK TO GAME

ANSWER



$500 Answer

It is hypothesized that viroids evolved from

a. viruses.

b. exons.

c. introns.

d. prions.

BACK TO GAME


FINAL ROUND Question

Which type of viral nucleic acid functions as mRNA?

a. RNA, double-stranded

b. RNA, – strand

c. RNA, + strand

d. RNA, reverse transcriptase

BACK TO GAME

ANSWER


FINAL ROUND Answer

Which type of viral nucleic acid functions as mRNA?

a. RNA, double-stranded

b. RNA, – strand

c. RNA, + strand

d. RNA, reverse transcriptase

BACK TO GAME

© 2013 Pearson Education, Inc. Chapter 13: Viruses, Viroids, and Prions $100 $200 $300 $400 $500...

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Transcript of © 2013 Pearson Education, Inc. Chapter 13: Viruses, Viroids, and Prions $100 $200 $300 $400 $500...