Brianna Murphy
Quiz by , created more than 1 year ago

A quiz related to the Infectious Diseases section of the NATS1670 course at York.

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Brianna Murphy
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Infectious Diseases

Question 1 of 25

1

Viruses affect only humans.

Select one of the following:

  • True
  • False

Explanation

Question 2 of 25

1

Viruses are the most common cause of acute infections in humans.

Select one of the following:

  • True
  • False

Explanation

Question 3 of 25

1

In 1892, Dimitri Iwanowski did a study with diseased tobacco plants that was very important for virology. This study showed that:

Select one of the following:

  • Diseases could be transmitted from one plant to another by an infectious agent smaller than bacteria.

  • Plants can also be hosts to viruses.

  • Viruses within a plant host can survive deeply sub-zero temperatures.

  • Viruses are living, much like their plant hosts.

Explanation

Question 4 of 25

1

Viruses are cellular organisms.

Select one of the following:

  • True
  • False

Explanation

Question 5 of 25

1

Viruses could be considered "Darwinian Machines" because:

Select one of the following:

  • They were discovered by Charles Darwin.

  • They operate only on 'survival of the fittest' principles.

  • Darwin invented viruses.

  • They focus mostly on their kill potential.

Explanation

Question 6 of 25

1

There is evidence suggesting that polio has been around as far back as:

Select one of the following:

  • 2000.

  • 1790.

  • 0820.

  • 3700 BC.

Explanation

Question 7 of 25

1

Viruses are naturally set to evolve best when they maximize:

Select one of the following:

  • Spreading potential.

  • Lethality.

  • Severe symptoms.

Explanation

Question 8 of 25

1

Severe viral diseases are a failure of the virus to adapt to its host.

Select one of the following:

  • True
  • False

Explanation

Question 9 of 25

1

Select from the dropdown lists to complete the text.

A virus has two phases. In the first stage, ( the virus is on its own, as a virion, the virus is in its original host cell, the virus eats a hole in your skin ). In the second phase, ( the virus has entered an infected cell, the virus is mutated, the virus kills the host ).

Explanation

Question 10 of 25

1

All cellular life has the following characteristics in common (Check ALL that apply):

Select one or more of the following:

  • DNA and RNA (genetic material).

  • Makes proteins.

  • Converts chemicals to energy.

  • Reproduction by division.

  • A cell membrane for regulation.

  • A host for compounds.

  • No more than 50 nano meters in size.

  • Has a virion.

Explanation

Question 11 of 25

1

There are two main types of replication cycles for viruses. , the viral genome enters the host cell. , the viral genome is replicated, viral proteins are created, and the viruses assemble inside the cell then exit. , the genome is integrated into the host DNA and transmitted to the host's daughter cells.

Drag and drop to complete the text.

    In both cycles
    In neither cycle
    In the Lytic Growth Cycle cycle
    In the Circle Cycle
    In the Lysogenic cycle
    In the Cell Cycle

Explanation

Question 12 of 25

1

When washing your hands, you are more likely to destroy:

Select one of the following:

  • An enveloped virus.

  • A non-enveloped virus.

  • Your knuckles.

  • Proteins.

Explanation

Question 13 of 25

1

Zoonotic viruses are primarily hosted by:

Select one of the following:

  • Animals.

  • Humans.

  • Fresh fruit.

  • Zebras.

Explanation

Question 14 of 25

1

Which of the following is NOT a factor affecting host range?

Select one of the following:

  • Cell surface receptors and viral attachments and proteins.

  • Availability of replication machinery.

  • Availability to leave the cell and spread.

  • Host anti-viral responses.

  • Lethality.

Explanation

Question 15 of 25

1

Rabies can be an extremely slow virus, taking up to over a year to kill its host. This is because the virus:

Select one of the following:

  • Is sluggish.

  • Targets neurons, which have long axons slowing the process.

  • Travels through the blood stream, but slowly.

  • Isn't very dangerous, and takes multiple bites to really be dangerous.

Explanation

Question 16 of 25

1

Bats and raccoons should not be handled with direct contact because:

Select one of the following:

  • They might host rabies.

  • They're furry.

  • They can cause pertussis.

  • They're endangered.

Explanation

Question 17 of 25

1

Which of the following is NOT something we need to know to control a viral disease?

Select one of the following:

  • Reservoirs.

  • Modes of transmission.

  • Methods of inactivation.

  • Likelihood of back-mutation.

Explanation

Question 18 of 25

1

Herpes viruses can be considered like the diamonds in the movie "Diamonds are Forever" because:

Select one of the following:

  • Herpes viruses remain in your system - they will be with you forever.

  • James Bond has contributed heavily to the study of herpes viruses.

  • Like the diamonds in the movie, herpes are traded rapidly from person to person.

  • Herpes are extremely valuable.

Explanation

Question 19 of 25

1

Cytomegalovirus is a common form of herpes that commonly has no side effects. In this group of people, however, cytomegalovirus can cause blindness.

Select one of the following:

  • Children.

  • AIDS patients.

  • Elderly.

  • People with rabies.

Explanation

Question 20 of 25

1

Which of the following are true of Epstein Barr Virus, or infectious mononucleosis? (Check ALL that apply)

Select one or more of the following:

  • ~90% of people have been infected by this.

  • It is also called 'The Kissing Disease'.

  • ~1% of the population has this virus.

  • It is almost always lethal.

  • It's an airborne virus.

Explanation

Question 21 of 25

1

Some herpes viruses have oncogenic (tumor-causing) properties.

Select one of the following:

  • True
  • False

Explanation

Question 22 of 25

1

Which of the following is NOT a potentially oncogenic virus?

Select one of the following:

  • Human Papiloma Virus.

  • Epstein-Barr Virus.

  • Herpes virus type 8.

  • Hepatitis B and C.

  • Hepatitis A.

Explanation

Question 23 of 25

1

Match the forms of cancer to the areas of the body they primarily affect.

Burkitt's Lymphoma -
Nasoparyngeal carcinoma -
Cervical Carcinoma -
Kaposi's sarcoma -

Drag and drop to complete the text.

    The lymphatic system.
    Hands.
    Head and neck.
    The cervix.
    Blood vessels.

Explanation

Question 24 of 25

1

Lysis is a process in which non-enveloped viruses exit their host cell once they've multiplied enough. They do this by:

Select one of the following:

  • Breaking open the cell, killing it and exiting.

  • Hollowing out the inside of the host cell to kill it and infecting other cells from the inside.

  • Exiting from a small hole in the cell that doesn't harm it.

  • Diffusing through the cell wall.

Explanation

Question 25 of 25

1

Which type of viral infection is the most common?

Select one of the following:

  • Asymptomatic.

  • Persistent/chronic.

  • Suffering, followed by recovery.

  • Death of the infected.

  • Congenital disease.

  • Contributory factor in several other diseases.

Explanation

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