Introduction Flashcards

1
Q

Variolation

A

Method first used to immunize an individual against Small Pox with material taken from a patient or a recently variolated individual in the hope that a mild but protective infection would result

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2
Q

Largest Virus

A

Pox Virus

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3
Q

Viruses were propagated in _______ before cultures became available.

A

Viruses were propagated in eggs before cultures became available.

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4
Q

Studing veterinary virology is important because

A
  1. Viruses cause high rates of mortality and morbidity in animals
  2. Viral diseases in animals cause financial loss
  3. Zoonosis
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5
Q

Edward Jenner

A

Inoculated cowpox matter repeatedly into arms of healthy 8 year old boys who became immune and did not succumb to small pox

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6
Q

First discovered viral disease

A

Foot and Mouth Disease

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7
Q

Friedrich Loeffler and Paul Frosch

A

Passed the first animal virus through a filter - first evidence of animal viruses

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8
Q

Pandemic

A

Infectious diseases that are spread globally

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9
Q

Virion

A

Complete virus particle that consists of an RNA or DNA core with a protein coat sometimes with external envelopes and that is the extracellular infective form of a virus

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10
Q

T/F: Viruses contain nucleic acid genome surrounded by a protein coat.

A

True

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11
Q

Virologist

A

Someone who studies viruses

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12
Q

T/F: Viruses are living entities

A

False

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13
Q

Virology

A

The study of viruses and viral diseases

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14
Q

What effect did Rinderpest have on humans?

A

Led to starvation resulting in the death of an estimated third of the human population of Ethiopia and two-thirds of the Maasai people of Tanzania.

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15
Q

Dr. Walter Reed

A

Known internationally for his discovery that yellow fever was spread through mosquito

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16
Q

Dmitri Ivanovski

A

Used the Chamberland Filter to isolate Tobacco Mosaic Virus

17
Q

_____________ - killed more thatn 5.2 million cattle south of Zambenzi River, Africa.

A

Rinderpest - killed more thatn 5.2 million cattle south of Zambenzi River, Africa.

18
Q

Smallest Virus

A

Parvovirus

19
Q

Louis Pasteur

A

Injected dried, potassium hydroxide treated, infected rabbit brain material into two boys bitten by rabid dogs and both recovered

20
Q

Explain the process of virus replication

A

Resembles an assmbly line in which various parts of the virus come together from different parts of the host cell to form a new virus particle

21
Q

Charles Chamberland

A

Invented filter with pores smaller than bacteria - discovery of viruses began with the filter

22
Q

Virus

A

Broad general terminology used to describe any aspect of the infectious agent and includes the infectious or inactivated virus particle, or viral nucleic acid and protein in the infected cell.

23
Q

Martinus Beijerinck

A

Called filtered, infectious substance a virus - considered to be the beginning of virology

24
Q

Viroid

A

Infectious particle smaller than any of the known viruses, an agent of certain plant diseases. Particle consists only of an extremely small circular RNA molecue, lacking the protein coat of a virus.

25
Q

Oncogenic Viruses

A

Viruses that cause cancer

26
Q

Peyton Rous

A

Isolated the first tumor-causing animal virus

27
Q

Eradication of infectious diseases involves

A

Eradication of infectious diseases involves the complete elimination of the pathogen or diseas causing agent from a defined geograpic region.

28
Q

Zoonosis

A

Infectious diseases transmitted from animals to people

29
Q

T/F: Viruses can make energy and proteins by themselves

A

False

_____________________

Viruses are obligate intracellular parasites

30
Q

Ernst Ruska and Max Knoll

A

Invented the electron microscope