Brianna Murphy
Quiz por , criado 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

Questão 1 de 25

1

Viruses affect only humans.

Selecione uma das opções:

  • VERDADEIRO
  • FALSO

Explicação

Questão 2 de 25

1

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

Selecione uma das opções:

  • VERDADEIRO
  • FALSO

Explicação

Questão 3 de 25

1

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

Selecione uma das seguintes:

  • 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.

Explicação

Questão 4 de 25

1

Viruses are cellular organisms.

Selecione uma das opções:

  • VERDADEIRO
  • FALSO

Explicação

Questão 5 de 25

1

Viruses could be considered "Darwinian Machines" because:

Selecione uma das seguintes:

  • 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.

Explicação

Questão 6 de 25

1

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

Selecione uma das seguintes:

  • 2000.

  • 1790.

  • 0820.

  • 3700 BC.

Explicação

Questão 7 de 25

1

Viruses are naturally set to evolve best when they maximize:

Selecione uma das seguintes:

  • Spreading potential.

  • Lethality.

  • Severe symptoms.

Explicação

Questão 8 de 25

1

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

Selecione uma das opções:

  • VERDADEIRO
  • FALSO

Explicação

Questão 9 de 25

1

Selecione das listas do Menu para completar o texto.

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 ).

Explicação

Questão 10 de 25

1

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

Selecione uma ou mais das seguintes:

  • 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.

Explicação

Questão 11 de 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.

Arraste e solte para completar o texto.

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

Explicação

Questão 12 de 25

1

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

Selecione uma das seguintes:

  • An enveloped virus.

  • A non-enveloped virus.

  • Your knuckles.

  • Proteins.

Explicação

Questão 13 de 25

1

Zoonotic viruses are primarily hosted by:

Selecione uma das seguintes:

  • Animals.

  • Humans.

  • Fresh fruit.

  • Zebras.

Explicação

Questão 14 de 25

1

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

Selecione uma das seguintes:

  • Cell surface receptors and viral attachments and proteins.

  • Availability of replication machinery.

  • Availability to leave the cell and spread.

  • Host anti-viral responses.

  • Lethality.

Explicação

Questão 15 de 25

1

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

Selecione uma das seguintes:

  • 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.

Explicação

Questão 16 de 25

1

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

Selecione uma das seguintes:

  • They might host rabies.

  • They're furry.

  • They can cause pertussis.

  • They're endangered.

Explicação

Questão 17 de 25

1

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

Selecione uma das seguintes:

  • Reservoirs.

  • Modes of transmission.

  • Methods of inactivation.

  • Likelihood of back-mutation.

Explicação

Questão 18 de 25

1

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

Selecione uma das seguintes:

  • 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.

Explicação

Questão 19 de 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.

Selecione uma das seguintes:

  • Children.

  • AIDS patients.

  • Elderly.

  • People with rabies.

Explicação

Questão 20 de 25

1

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

Selecione uma ou mais das seguintes:

  • ~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.

Explicação

Questão 21 de 25

1

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

Selecione uma das opções:

  • VERDADEIRO
  • FALSO

Explicação

Questão 22 de 25

1

Which of the following is NOT a potentially oncogenic virus?

Selecione uma das seguintes:

  • Human Papiloma Virus.

  • Epstein-Barr Virus.

  • Herpes virus type 8.

  • Hepatitis B and C.

  • Hepatitis A.

Explicação

Questão 23 de 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 -

Arraste e solte para completar o texto.

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

Explicação

Questão 24 de 25

1

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

Selecione uma das seguintes:

  • 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.

Explicação

Questão 25 de 25

1

Which type of viral infection is the most common?

Selecione uma das seguintes:

  • Asymptomatic.

  • Persistent/chronic.

  • Suffering, followed by recovery.

  • Death of the infected.

  • Congenital disease.

  • Contributory factor in several other diseases.

Explicação