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60 Cards in this Set

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  • Back

Give the laboratory diagnosis of viral infection

1-5

How do you collect in specimen collection

Aseptically collection

Delayed specimen temp

1-6°C

Delayed temp hour

Less than 24 hrs

Long storage temp

-70°C

Long temp sotrage:

Freezer

-70°C in long temp called

Cryoprecipitate

Refrain storage temp

-20°C

Wht refrain the temp bc

It may cause formation of crytals that will inactivaye the virus

swab Specimen collected by

Dacron


Rayon


Cotton


Polyester

Swab specimen examples!

TENS

Type of swab that is not allowed to to be used becayse it may cause damage or inactivate the virus

Calcium alginate

Specimen does not need transport mediym

Blood


Csf


Urine


Bonemarrow


Pericardial


Pleural


Synoviql

Vtm means

Viral Transport medium

If your specimen doesn't have vtm:

Centri - 3000rpm



15-30 mins

Specimen that needs VTM

-specimen collected by swab


- Respiratory specimen


-Tissue Biopsy


Examples of respiratory viruses

IAFCPR

In nasopharyngeal must use _____ swab insert _________ with ______

Flexible


2-3cm


NSS

Examples of respiratory specimen

Throat


Nasopharyngeal

VTM contains?

Trypticasw Soy Broth, NSS

VTM contain TSB and NSS


solution is

Avoiding drying of the specimen

Vtm also contain


Gelatin, serum, albumin protein

Vtm contains g.a.s.p



solution:

To protectthe less viable viruses

Vtm has ---- for inhibition of any growth

Antibiotic and Antifungal

Vtm has antibiotic and Adntifungal


solution

For inhibition of any bacterial and fungal growth

Methods of Viral isolation

Cell culture


Animal inoculation


Embryonated egg inoculation

In vitro is

Cell culture

In vivo is

animal inoculation


and


Embryonated egg inoculation

in cell culture if you dispense THE cell in tissue by----- using -----

Grind or mince



Mortar and Pestle

It is a Gold standard


and


presumptive test at the same time

Cell culture

Enumerate the categories of preparation of cell culture

Primary cell culture


Finite cell culture


Continuous cell culture

Deruved from an animal cell

Primary cell culture

In primary cell culture it has

Rk and pMk

A tissue is treated with enzyme to separate the cells what enzyme

Trypsin

Grow in monolayer across the glass

Normal cells and Primary cells

Do not grow in monolayer across the glass or plastic container

Transformed cells and Continuous cell culture

Cells are capable of

cell division and splitting and fasting

Transfer cell container to another to treat again with trypsin

Finite cell culture

50 generation

Finte cell culture

ex of finitecc

HUman diploid fibroblasts


Human neonatal lung

Heteroploid

Normal and abnormal tissue

Ex of continuous cell culture

A549


HEP2

what is a549


and HEP2

Human lung carcinoma cell line


Human Neonatal lung


Observation in cytophatic effect

Change in size


Change in shape


Syncytia

What is syncytia

fusion of 2 or more cell

Non culturable

Hepatitis B virus


culturable in tissue cells

M. leprae

HsV

- +++ +++ +++ +++

CMV

- +++ - - -

VZV

- +++ - - +/-

Enterovirus /mc

+ + ++ - +

RSV/ pauline

-/+ + +++ - ++

Influenza and Parainfluenza virus/ mama at papa

+++ +/- - - -

Adenovirus /lola at lolo

+ ++ +++ ++ ++

Large rounded cells

Hsv


cmv

Foci or rounded cells possible of syncytia

VZV

Refractile round cell in clusters

Enterovirus

Syncytia

rsv

Variiable no cp3

iP

Large rounded cell in clusters

adenovirus