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Microbiology > Chapter 24 > Flashcards

Chapter 24 Flashcards

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Biology 101 flashcards
1
Q

DNA viruses are characterized on what type of _a__ they contain, the presence or absence of a __b__ , their _c___, and the host cells they _d__

A

a-dna
b-envelope
c-size
d-attack

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2
Q

__DNA and __DNA are the two types

A

dsDNA

ssDNA

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3
Q

Poxviruses herpesviruses, papillomaviruses, and Adenovirus are what tyoe of DNA?

A

dsDNA

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4
Q

Hepadnavirus is what type of DNA?

A

both dsDNA and ssDNA

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5
Q

Parvovirus is what type of DNA?

A

ssDNA

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6
Q

dsDNA have complex ___ and ___

A

capsids and envelopes

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7
Q

dsDNA is the second ____ virus

A

largest

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8
Q

Poxviruses hosts are

A

mammals

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9
Q

Cowpox and smallpox is a poxvirus that can infect humans. T/F?

A

true

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10
Q

Infection of poxviruses mainly through

A

inhalation

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11
Q

poxviruses are stable/unstable outside of hosts bodies?

A

unstable

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12
Q

smallpox commonly known as variola, infects ___ ___

A

internal organs

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13
Q

Herpesviruses have envelopes?

A

yes

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14
Q

Which is the most prevalent of the DNA viruses?

A

herpesviruses

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15
Q

HHV indicates a ___ virus?

A

herpesvirus

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16
Q

Human herpesvirus 1 is ___ the waist

human herpesvirus 2 is __ the waist

A

above

below

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17
Q

Whitlow can be caused by both HHV viruses? t/f?

A

true

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18
Q

HHV-3 AKA Varicella-Zoster Virus

causes which two diseases?

A

Varcicella and herpes zoster

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19
Q

varicella = ____ and herpes zoster= ______

A

chicken pox & shingles

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20
Q

Reyes syndrome cause is ____ and associated with treatment of diseases with ___

A

unknown

aspirin

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21
Q

Infectious malignant neoplasm of jaw
Primarily African boys with immune systems weakened by malaria
First cancer known to be caused by a virus is indicative of which virus? Oral Hairy Leukoplakis or Burkitt’s Lymphoma?

A

Burkitts

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22
Q

Precancerous change in mucous membrane of the tongue
Causation implicated
Patients with severely depressed cellular immunity: indiciative of which virus? Oral Hairy Leukoplakis or Burkitt’s Lymphoma?

A

Oral Hairy

23
Q

Treatable cancer of B lymphocytes
Spreads from one lymph node to another lymph node
Causation implicated
Patients with poor immune systems is indicative of which virus? Hodgkins Lymphoma or Chronic Fatiqgue Syndrome?

A

Hodgkins

24
Q

Burkitts, Oral Hairy, Hodgkins are all ___ viruses?

A

herpesviruses

25
Q

Most americans over 3o have antibodies to HHV-___?

A

HHV 4

26
Q

HHV-4 transmitted mainly through___

A

saliva

27
Q

HHV5 is AKA CMV =____?

A

Cytomegalovirus

28
Q

Over 50% of adults in US have this?

A

Cytomegalovirus (CMV)

29
Q

CMV occurs largely through ?

A

sexual intercourse

30
Q

HHV6 causes ____

A

roseola

31
Q

HHV6 causes roseola which may be linked to ?

A

MS

32
Q

HHV8 aka-

A

Rhadinovirus

33
Q

Rhadinovirus HHV8 is associated with which disease? Pappiloma/ Kaposi’s Sarcoma

A

Karposi

34
Q

Which type of virus has a small naked icosahedral capsid?

A

pappilomavirus

35
Q

Pappilomavirus cause papillomas commonly known as ____

A

warts

36
Q

warts linked to cancer?

A

yes

37
Q

Papilloma infections are stable/unstable outside the body?

A

stable

38
Q

Autoinoculation (of papillomavirus) spreads from one ____ to another on ____ _____

A

location

same person

39
Q

naked polyhedral capsid with spikes belongs to ___viruses

A

adenoviruses

40
Q

adenoviruses are one of many causitive agents of the __ ____

A

common cold

41
Q

Adenoviruses spread via ____ _____

A

respiratory droplets

42
Q

Are adenoviruses stable/unstable outside the body?

A

stable

43
Q

adenoviruses cause ___ infections

A

respiratory

44
Q

Hepadnaviruses composed of ___ DNA?

A

both ds and ss

45
Q

hepadnaviruses have capsules?

have envelope?

A

yes

yes

46
Q

which type of virus has a unique replication pattern?

A

hepadnaviruses

47
Q

Only DNA virus that causes hepatitis?

A

Hep B

48
Q

Parvoviruses are the only human _____ among ssDNA viruses

A

pathogen

49
Q

Paroviruses capsid?

A

yes

50
Q

Paroviruses envelope?

A

no

51
Q

Paroviruses is the ___ of DNA viruses

A

smallest

52
Q

B19 Virus infection is the primary (which tyoe of virus) of humans

A

parvovirus

53
Q

B19 Virus is the causitve agent for Erythema infectiosum? T/F?

A

true

Microbiology (10 decks)

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