Flashcards in Virus, Hepatitis and Herpes (complete) Deck (51)
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1
What is the classification for Herpesviridae
DNA
Icosahedral
Enveloped
Double Stranded (linear)
2
What are the strains of Herpes virus found in the oral cavity
HSV-1 (Herpes Simplex Virus)
HSV-2
EBV (Epstein-Barr virus)
CMV (Cytomegalo Virus)
3
Where are HSV-`1 infections usually found
in HSV infections above the waist
4
where are HSV-2 infections usually found
in HSV infections below the waist
5
Are Herpes infections often latent infections
yes
6
What are the 8 human herpes viruses
Herpes Simplex Virus-1 (HSV-1) HHV-1
Herpes Simplex Virus-2 (HSV-2) HHV-2
Varicella zoster Virus (VZV) HHV-3
Epstein-Barr Virus (EBV) HHV-4
Cytomegalo Virus (CMV) HHV-5
Herpes Simplex Virus-6 HHV-6
Herpes Simplex Virus-7 HHV-7
Herpes Simplex Virus-8 HHV-8
7
Where are HSV-1 and HSV-2 located in the human body
in the nerve ganglia
8
where is EBV found in the human body
in resting B cells
9
Where is CMV found in the human body
in the salivary glands??
10
Who is most susceptible to primary herpes
6 month to 6 year old children (adults are not very susceptible, except as STD)
11
What is caused by primary herpes
Gingivostomatitis
12
how many adults are Ab + to primary herpes
80%
13
how is primary herpes transmitted
saliva, kissing, close contact, fomites (toys)
14
how does primary herpes express on skin
excema, whilow, herpes gladitorum
15
how does primary herpes express on the cornea
keratojunctivitis
16
What type of herpes causes cold sores and fever blisters
HSV-1
17
Is ocular herpes primary herpes, or reactivation of latent herpes
reactivation of latent herpes
18
What happens to Herpes viridae after primary gingivostomatitis
the virus hangs out in the Trigeminal ganglion, then can be reactivated in the maxillary, mandibular and opthalmic branches of the nerve
19
What causes Herpes to reactivate
stress, excessive sunlight, fever, trauma, immunosuppression
20
What is the main difference between the infection steps of Herpesviridae and other viruses
Herpes viridae blocks the
21
What can secondary herpes virus cause
Blindness
Meningoencephalitis
Fulminant HSV
Transfer to fetus upon birth
whitlow
herpes gladitorum
pharyngitis, autoinoculation
loss of bladder control
pyschological trauma
interrupted personal relationship
stillbirths, spontaneous abortions
22
What does EBV cause
burkitt's lymphoma
hodgkins disease
23
how does an EBV infection differ from first to third world countries
in third world it is mostly asymptomatic
in the first world it is a delayed infection, infectious mononucleosis
24
How does EBV get transmitted
salivary droplets, oral-respiratory
25
where does the EBV replicate
in nasopharynx and salivary glands
26
What are the symptoms of an EBV? (mono)
Sore throat, malaise, fever-chills, headache, anorexia, profound fatigue
27
What is the most susceptible age group to EBV infection
18-22 years old
28
What do we do for EBV infections
we don't have a vaccine, and it is not sensitive to chemotherapy
29
What causes chicken pox
HHV-3 (VZV)
30
