Block 1 Flashcards

(40 cards)

1
Q
Who is the father of microbiology?
o	Jenner
o	Pasteur
o	Virchow
o	Koch
A

Pasteur

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2
Q
Who created the smallpox vaccine?
o	Jenner
o	Pasteur
o	Virchow
o	Koch
A

Jenner

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3
Q

All of Koch’s postulates apply to viruses. True or False?

A

False

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4
Q
What is a bacteriophage?
o	A bacteria that parasitizes a virus
o	A phagocyte that engulfs bacteria
o	A virus that parasitizes a bacterium
o	None of the above
A

A virus that parasitizes a bacterium

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5
Q
What are the largest of the viruses?
o	Herpesviruses
o	Poxviruses
o	Influenza viruses
o	Foot and Mouth Disease viruses
o	Retroviruses
A

Poxviruses

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6
Q

When a disease exists permanently in a particular region or population it’s called a _____.
o Endemic
o Epidemic
o Pandemic

A

Endemic

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7
Q

When there’s a disease outbreak that attacks many individuals at the same time and may spread through several communities it’s called a ______.
o Endemic
o Epidemic
o Pandemic

A

Epidemic

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8
Q

When a disease spreads throughout the world it’s called a ______.
o Endemic
o Epidemic
o Pandemic

A

Pandemic

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9
Q

A virus can only contain either DNA or RNA. True or False?

A

True

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10
Q

A virus contains a capsule. True or False?

A

False

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11
Q

All DNA viruses replicate in the nucleus. True or False?

A

False

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12
Q

The dose of a virus that causes infection in 50% of animals is called what?

A

ID50

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13
Q

The dose of a virus required to cause death in 50% of animals is called what?

A

LD50

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14
Q

Regarding the lysogenic and lytic cycles, which causes cell death?

A

Lytic Cycle

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15
Q
The ability to cause disease is referred to as what?
o	Virulence
o	Pathogenicity
o	All of the above
o	None of the above
A

Pathogenicity

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16
Q
The accumulation of multinucleated giant cells is called what?
o	CPE
o	Coagulation 
o	Syncytia
o	None of the above
A

Syncytia

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17
Q
Which interferon do virus infected leukocytes produce?
o	INF-α
o	INF-β
o	INF-δ
o	INF-γ
18
Q
Antigen stimulated T cells are a major source of which interferon?
o	INF-α
o	INF-β
o	INF-δ
o	INF-γ
19
Q
Which interferon do virus infected fibroblasts produce?
o	INF-α
o	INF-β
o	INF-δ
o	INF-γ
20
Q
NK cells produce which interferon?
o	INF-α
o	INF-β
o	INF-δ
o	INF-γ
21
Q
A gene that has the potential to convert a normal cell into a cancerous/transformed cell is referred to as what?
o	Oncogene
o	Viral oncogene
o	Cellular oncogene
o	Proto-oncogene
22
Q
Which of the following is an oncogenic DNA virus?
o	Herpesvirus
o	Papillomavirus
o	Adenovirus
o	Polyomavirus
o	Hepadnavirus
o	All of the above
A

All of the above

23
Q

A virus that doesn’t have an envelope is referred to as “naked”. True or False?

24
Q
What is the most abundant immunoglobulin in the body of a dog
o	IgA
o	IgD
o	IgE
o	IgG 
o	IgM
25
All herpes viruses…
Reactivate and cause disease
26
Alpha herpes viruses are…
Neurotropic
27
Gamma herpes viruses are…
Lymphotropic
28
``` CPE causes which of the following? o Ballooning o Syncytia o A morphological change o Any or All of the Above ```
Any or all of the above
29
``` Which type of immunity would occur if you were to administer immunoglobulins against a viral infection? o Artificial passive immunity o Natural passive immunity o Artificial active immunity o Natural active immunity ```
Artificial passive immunity
30
``` The passing of immunoglobulins from mother to fetus is which type of immunity? o Artificial active immunity o Artificial passive immunity o Natural active immunity o Natural passive immunity ```
Natural passive immunity
31
``` Vaccinations are an example of which type of immunity? o Artificial active immunity o Artificial passive immunity o Natural active immunity o Natural passive immunity ```
Artificial active immunity
32
Naturally acquired active immunity occurs with the exposure to pathogens. True or False?
True
33
Administering anti-venom is an example of artificially acquired passive immunity. True or False?
True
34
The tegument or a virus is… o Also known as the envelope o The space between the nuclear capsid and envelope o The space between the nuclear capsid and the capsule o None of the above
The space between the nuclear capsid and envelope
35
``` Where is RNA transcribed by ribosomes? o Cytoplasm o Nucleus o Tegument o Capsid ```
Cytoplasm
36
HSV-2 is associated with STDs. True or False.
True
37
HSV-1 only causes lesions at the mucocutaneous junction of the lips. True or False?
False
38
Performing a c-section on a HSV-2 positive mother will prevent the transmission of the virus to their baby. True or False?
True
39
Latency leads to life-long infection. True or False.
True
40
Reactivation causes recurrent shedding of infectious viruses (transmission). True or False?
True