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Clin Lab IV > Virology > Flashcards

Virology Flashcards

1
Q

Example of a large virus

A

Pox virus

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2
Q

Example of a small virus

A

Parvovirus

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3
Q

A virus like protein
AKA spongiforms
Ex: Mad Cow Dz

A

Prions

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4
Q

A protective protein coating that all viruses have

A

Capsid

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5
Q

Infect bacteria ONLY

A

bacteriophage

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6
Q

Lipid membrane surrounds the virus and readily absorbed by cells
Cause persistent infxs
Ex: chicken pox, herpes, flu, rabies,

A

Envelope viruses

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7
Q

Do not possess an envelope
More difficult to disinfect (steam sterilization is needed)
Ex: parvovirus

A

Naked viruses

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8
Q

4 stages of virus replication

A
  1. Attachment
  2. Penetration/Uncoating
  3. Replication and synthesis
  4. Assembly and release
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9
Q

Most common mucosal surface viruses enter through

A

Respiratory system

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10
Q

Which step of virus replication does the virus attach to a host cell?

A

Attachment

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11
Q

Which step of virus replication does the virus produce enzymes to break down the host cell membrane and the genome enters the host cell?

A

Penetration/Uncoating

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12
Q

Which step of the viral cycle is when the virus replicates itself to ensure it’s survival where the DNA or RNA redirects the host cell DNA to ignore it’s own needs?
The prodromal period (immune system is activated)

A

Replication

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13
Q

Which step of the viral cycle is where the viral components come together to form virons, the cell ruptures and dies, and the virons are released into the environment?

A

Assembly/Release

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14
Q

Virus particles

A

virons

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15
Q

Systemic viral infx

A

Viremia

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16
Q

Type of viral infx that produces C/S (can be acute or chronic)

A

Apparent

17
Q

Type of viral infx where there is no outward C/S

Ex: AIDS, FIV

A

Non-apparent/Sub clinical/Silent

18
Q

HIGHLY contagious feline virus that cats will have their whole life
C/S: S+, conjunctivitis, rhinitis, F+, anorexia, corneal ulcers (in severe cases)

A

Feline Herpes Virus

19
Q

Supplement given to cats for management of herpes

A

Lysine

20
Q

Caused by a retrovirus that affects bone marrow
Transmitted by close contact
C/S: repro problems, F+, D+, susceptible to other infections

A

Feline Leukemia Virus (FeLV)

21
Q

Caused by a lentivirus
AKA Feline AIDS
Transmitted via bites and severely compromises immune system

A

Feline Immunodeficiency Virue (FIV)

22
Q

Caused by a parvovirus
AKA Feline Distemper
C/S: abortion in queens, cerebellar hypoplasia in neonates, GI symptoms, dehydration

A

Panleukopenia

23
Q

Rhabdovirus causes

A

rabies

24
Q

Causes “Fading Puppy Syndrome”
C/S: ADR, crying, abdominal pain, acute death
Adult K9 usually show no signs, but can pass to neonates

A

Canine Herpesvirus

25
Q

Warts that resolve on their own

1-2 mos incubation and INCREDIBLY contagious

A

Canine Oral Papilloma Virus

26
Q

Caused by a paramyxovirus
AKA “Hard Pad Dz”
C/S: dehydrated foot pads, F+, lethargy, anorexia, C+, d+, v+

A

Canine Distemper Virus

27
Q

Causes canine hepatitis

Similar to Parvo in C/S

A

Canine Adenovirus

28
Q

Causes explosive, bloody D+ especially in young pups
Dehydration is a concern, so treated with IV fluids and pepsid
Naked virus that is hard to kill on an inanimate surface

A

Canine Parvovirus

29
Q

Attacks the intestinal villi of dogs

A

Canine Coronavirus

30
Q

Enveloped virus that causes Gastroenteritis in pups

A

Canine Rotavirus

31
Q

Viruses are best cultured before ______ show

A

C/S

32
Q

You should try not to send samples to the lab on which days?

A

weekends

33
Q

When should you recheck serum/plasma of infected animals?

A

2-6 weeks

34
Q

Tissue samples should be at least _______mm thick and fixed in 10% formalin

A

3-5

35
Q

Formulated to maintain viability of microorganism in a sample

A

Charcoal

36
Q

Type of lab test that utilizes antigen-antibody bond through luminescence

A

Fluorescent Antibody Test

37
Q

Type of lab test that indicates a color change for a antigen-antibody test

A

ELISA

38
Q

Same principles of ELISA test but uses microscopic beads that stick together when positive

A

Latex Agglutination Test

Clin Lab IV (5 decks)

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