4-3 Paramyxo Flashcards

(63 cards)

0
Q

Slam is also known as

A

Cd150

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1
Q

Measles H can bind to what cell?

A

Cd46 and cd150

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2
Q

Slam regulates _______ responses

A

TH1 and TH2

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3
Q

Major internal protein

A

Nucleoprotein

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4
Q

Associated with NP

A

L and P ( polymerase phosphoprotein)

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5
Q

Transmembranous envelope glycoprotein

A

F and H

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6
Q

Inside virion envelope

A

Matrix

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7
Q

Part of trabscription complex

A

Phosphoprotein polymerase

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8
Q

Measles Rash is caused by what cells?

A

T cells

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9
Q

Sequelae in cns resulting frkm development of defective mutants

A

Sspe

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10
Q

Persistent infection w/o lysis can occur in what cells?

A

Human brain cells

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11
Q

What happens after inoculation in the respi tract

A

Local replication

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12
Q

Acts as a slow virus and causes sx and cytopath effect in neurons years after

A

Sspe

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13
Q

T cell deficient children have atypical presentation

A

Giant cell pneumonia w/o rash

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14
Q

Interferon a and b activates what?

A

NK cells

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15
Q

What IL is depressed in measles?

A

IL12

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16
Q

Can be administered after exposure

A

Immmunoglobulin

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17
Q

Transmission of measles

A

Large droplets

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18
Q

Measles most infectious at what stage

A

Prodrome

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19
Q

Prodrome starts w?

A

High fever
4Cs
Photophobia

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20
Q

Most commonly seen in the buccal mucosa, other mucous membranes

A

Koplik spots

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21
Q

Clinical consequences of measles

A
MAPS:
Measles
Atypical
PME
SSPE
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22
Q

Rashes prominent in distal areas

A

Atypical measles

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23
Q

Serious complication of measles accounts for 60% deaths

A

Pneumonia

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24
Occured in people who recrived older inactivated vaccines
Atypical
25
Recommended specimens for measles
Respi secretions Urine Blood Brain
26
What Ig is detected greatly at prodrome
IgM
27
Current vaccine used
Schwart or moraten
28
People who should not receive mmr?
Pregnant Immunosuppresed Gelatin/myocin
29
Reduces high risk of measle mortality
Vit A
30
Mumps vaccine?
Jeryl lynn strain
31
Mild coldlike symptoms
Para influenza virus
32
Types 1-3 causes?
Second only to rsv to cause severe lower rti
33
Type 4 causes?
Mild UPPER respi infection
34
Para influenza especially assoc with
CROUP
35
Unlike measles parainfluenza rarely cause
Viremia
36
CMI in parainfluenza causes what?
Both cell damage and protection
37
T or f? Reinfection in parainfluenza
True, milder
38
T or f? Parainf induced protective immunity that is long lived
False
39
A para influenza in infants most notably cause
Croup
40
Subglottal swelling which may close the airway
Croup
41
Principal ddx is epiglotitis by Hib
Parainfluenza
42
Specimen for parainfluenza
Nasal washings and respi secretions
43
To determine specific serotype of parainfluenza
HIB test
44
Method of choice to detect parainfluenZa
Rt pcr
45
Mumps most closely associated to?
Parainf type 2
46
How is the parotid gland infected?
Way of stensens duct | Viremia
47
T or f? In mumps, viremia occurs.
T
48
Where are the sites of viremia
``` Testes Ovary Pancreas Thyroid Etc ```
49
Transmission of mumps?
Direct person to person; | Rspiratory droplets
50
T or f? Swelling of other glands may occur without parotitis
T
51
Virus may cause asymptomatic shedding
Mumps
52
How to confirm diagnosis of mumps?
Serology, 4fold increase in igM
53
Rsv is the Most common cause of
Fatal acute respiratory infrction
54
T or F? Maternal antibody protects infant from infection
F
55
Necrosis of bronchi which leads to formation of plugs
Rsv
56
T or F? Rsv epidemic occur every year
True!! Unlike influenza!!
57
Can also be transmitted by fomites
RSv
58
Infants w rsv
Lrti
59
Modes of control of rsv
Immuno globulin; | Aerosol ribavirin
60
Clinical cnsequence of rsv
Bronchiolitis/pneumonia; Febrile rhinitis and pharyngitis; Common cold
61
Only virus diff to culture
RSv | And metapneumo
62
New paramyxo
Nipah and hendra