Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Med Micro Exam 2 > Chapter 13 > Flashcards

Chapter 13 Flashcards

1
Q

What are the 3 types of viruses?

A

bacterial, animal, plant

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What does Rhinovirus cause?

A

the flu

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What are two general characteristics of obligate intracellular parasites?

A
  1. they contain a single type of nucleic acid (EITHER RNA or DNA)
  2. they multiply in living cells only
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is an example of helical viruses?

A

ebola

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

example of polyhedral viruses?

A

adenovirus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

example of enveloped-helical virus?

A

influenza

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

example of enveloped-polyhedral virus?

A

herpes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

example of a complex virus?

A

poxvirus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what are the two ways to classify a virus?

A
  1. type of nucleic acid (RNA or DNA)

2. mechanism of NA replication

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What are 3 things to classify a virus based off of?

A

morphological class, presence of envelope, size of capsid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

what is a retrovirus?

A

reverse transcription virus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

growth of animal viruses in the lab include what 3 things?

A

living animals, embryionated chicken eggs, cell culture

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

what is the cytopathic effect?

A

the characteristic changes that occur in a virally infected cell during tissue culture that provides a means of identifying the virus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What are 3 main ways to identify a virus?

A

morphology, serological methods, and polymerase chain reactor or DNA hybridization

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Morphology is done with what kind of microscope?

A

an electron microscope

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Serological methods include what kind of microscope?

A

an ultraviolet microscope used to do a fluorescent antibody test

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What is polymerase chain reaction?

A

a test used to amplify or multiply samples of DNA or RNA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

what are the 6 steps in virus multiplication?

A
  1. attachment
  2. penetration
  3. uncoding
  4. biosynthesis of viral components
  5. maturation
  6. release of virus
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

In ___% of Caucasians the receptor is defective so the virus cannot get into the cell.

A

1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What is provirus (created by lysogenic)?

A

the genetic material of a virus as incorporated into and able to replicate with the genome of a host cell; intergration

21
Q

What does HHV 1 cause?

A

cold sores/fever blisters

22
Q

What does HHV 2 cause?

A

genital herpes

23
Q

What does HHV 3 cause?

A

chicken pox

24
Q

What does HHV 5 cause?

A

Epstein barr virus

25
Q

What does HHV 6 cause?

A

roseola

26
Q

What does HHV 8 cause?

A

Kappsi sarcoma

27
Q

What is papillomavirus and what does it cause?

A

HPV; causes warts and even cervical cancer

28
Q

What is a retrovirus, and two examples of it?

A

reverse transcription; HIV and HIV2

29
Q

__________ is acquired during release of virus from cells.

A

envelope

30
Q

Interferons do what?

A

block virus infection to adjoining cells.

31
Q

What kind of cancer can the virus Epstein Barr cause?

A

cervical carcinoma (papillomavirus)

32
Q

What kind of cancer can the virus HTLV1 & 2 cause?

A

leukemia in adults

33
Q

____% of cancer is caused by a virus

A

10

34
Q

Cellular ________ are put under viral gene controls.

A

oncogenes

35
Q

What is a latent virus infection?

A

the virus remains latent by integrating in the host cells, then becomes reactivated by stress or other stimulant such as herpes or shingles

36
Q

What is a slow viral infection?

A

the virus infection and multiplication continues until a high titre is attained to cause disease. (Example : Measles Virus)

37
Q

What are prions?

A

proteins

38
Q

It takes ____lbs of pressure and ____ degrees Celsius for more than _____mins to kill a prion.

A

20 lbs, 126 degrees, 30 mins

39
Q

What disease is associated with prions?

A

Mad cow disease (bovine spongiform encephalopathy BSE)

40
Q

Which is the only single stranded DNA virus?

A

parvoviridae (causes fetal death and gastroenteritis)

41
Q

What are the 5 double stranded DNA viruses?

A

Adenoviridae (upper resp infection), Papovaviridae (genital warts), Poxviridae (small pox), Herpes viridae (herpes chicken pox), Hepadnaviridae (hepatitis)

42
Q

What is the only double stranded RNA virus?

A

Reoviridae (rotavirus; infantile diarrhea)

43
Q

What is retroviridae?

A

A virus that produces DNA from RNA; have reverse transcriptase enzyme (HIV)

44
Q

What is Orthamyxoviridae?

A

a single stranded RNA virus that causes swine flu (H1N1), bird flu (H5N1), and influenzavirus

45
Q

What are diseases associated with the RNA virus Picornaviridae?

A

Enterovirus, rhinovirus

46
Q

What is flavivirus?

A

a single stranded RNA virus that causes liver damage, yellow fever

47
Q

What is coronaviridae?

A

a single stranded RNA virus that causes SARS

48
Q

What disease is caused by Rhabdoviridae?

A

causes rabies

49
Q

What disease is caused by paramyxoviridae?

A

causes measles

Med Micro Exam 2 (8 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions