Review Questions EXAM 1

Question 1

t/f sheep pox is systemic

Answer 1

true

Question 2

which form of BHV1 (bovine herpes) associated with genital infections

Answer 2

Bhv1.2

Question 3

Equine Herpes can establish latency in:

Answer 3

lymphocytes

Question 4

t/f the mild enzootic form of infectious laryngotracheitis is more common in modern poultry industries

Answer 4

true

Question 5

kittens with panleukopenia are also susceptible to 2’ bacterial infections t/f

Answer 5

true

Question 6

necropsy on dead Cow
zebra stripes on colon mucosa
erosion on tongue and hard palate
what dz?

Answer 6

malignant catarrhal fever

Question 7

Edward Jenner

Answer 7

cowpox –> small pox vaccine

Question 8

which dz of animals has been eradicated

Answer 8

rinderpest

Question 9

Louis pasteur

Answer 9

rabies

Question 10

Filamentous virus

Answer 10

ebola

Question 11

suffix for family of virus

Answer 11

viridae

Question 12

virus that can infect various organs

Answer 12

pantropic

Question 13

first virus inoculated in eggs

Answer 13

fowl pox

Question 14

test that does not help morphologically ID virus

Answer 14

agglutination

Question 15

t/f. IFN-Y is specific for viruses

Answer 15

false

Question 16

IFN-Y is what type of IFN

Answer 16

IFN II

Question 17

t/f: herd immunity is achieved by vaccinating small percent of herd

Answer 17

false

Question 18

what is utilized to detach cells in order to create subcultures

Answer 18

trypsin

Question 19

which one is iatrogenic

Answer 19

infected needle

Question 20

smallest virus in animals

Answer 20

porcine circovirus 1

Question 21

icosahedral

Answer 21

triangular number

Question 22

t/f: naked virus are relatively more stable in the environment than enveloped

Answer 22

true

Question 23

mosquito inoculated virus- active or passive?

Answer 23

passive

Question 24

Bio Safety Level 4

Answer 24

high individual dz

high herd dz

Question 25

virions definition

Answer 25

mature form of virus, extra cellular infectious

Question 26

T/f: budding is a way for a virus to penetrate a cell

Answer 26

false

Question 27

T/f: conjugation is not a strategy of genetic diversity of a virus

Answer 27

true

Question 28

complement fixation test: if there is hemolysis it is ____negative or positive?___

Answer 28

negative

Question 29

comparative Elisa

low response = __high or low?__ antigen count

Answer 29

high

Question 30

capsases

Answer 30

method of apoptisus of virus infected cell

Question 31

true or false: TEM is high res

Answer 31

true

Question 32

RATE ZONAL CENTRIFUGATION: separates based on ______

Answer 32

mass

Question 33

Vesicles are

Answer 33

fluid filled cavity

Question 34

Which has a simple genome

Answer 34

parvo

Question 35

long incubation = fast/slow? incubation

Answer 35

slow

Question 36

Lethal dose 50 of a virus:

true or false: a virus with one of 30 is more virulent than 90

Answer 36

true

Question 37

true or false: dna doesn’t cause cancer in a permissive cell

Answer 37

true

Question 38

true/false: droplet transmission in less than 1 meter distance is considered indirect trans

Answer 38

false

Question 39

true or false: a viroid is a complete virus particle

Answer 39

false

Question 40

largest virus

Answer 40

pox

Question 41

what shape is rabies

Answer 41

bullet

Question 42

which is more detailed electron microscopy or NMR

Answer 42

nmr

Question 43

what factor is constant through all viruses with icosahedral symmetry

Answer 43

number of pentons

Question 44

triangulation number of icosahedral viruses:

Answer 44

T= h2 +hk +k2

Question 45

+ sense viruses directly/indirectly? synth proteins

Answer 45

directly

Question 46

pseudovirion

Answer 46

during viral replication, the capsid sometimes encloses host nucleic acid rather than viral nucleic acid

look like normal viruses but cannot replicate