test 1: lecture 3

Question 1

impact of diseases

Answer 1

economic impact
other countries have to do surveillance
local, industry, national, trade

human factor- suicide from loss

Question 2

economic impact to consumer

Answer 2

trade restrictions and increased cost of products

Question 3

what types of flu can mutate and requires depopulation

Answer 3

H5, H7

Question 4

avian influenze will attack

Answer 4

respiratory
GI
nervous system

(viral disease)

Question 5

how can H5 and H7 change pathogenicity

Answer 5

Multiple basic amino acids at cleavage site of the hemagglutinin molecule

avian influenze (orthomyxovirus) type A influenza virus

Question 6

what type of disease causes shell less eggs

Answer 6

avian influenze

shell membrane but no shell

can also be caused by too much potasium in the diet

Question 7

respiratory disease, listless birds, decreased drinking, shell-less eggs

Answer 7

avian influenza

Question 8

highly pathogenic avian influenza causes —-

Answer 8

Cyanosis and edema of head
vesicles and ulceration of comb

Edema of feet

Blotchy discoloration of shanks

Petechiae of mucosal, serosal surfaces and abdominal fat

Question 9

Answer 9

highly pathogenic avian influenza

Question 10

true or false

avian influenza infections do not cause clinical signs in wild birds

Answer 10

false

newer outbreak can cause clinical signs

Question 11

normal cycle for avian influenza

Answer 11

rare to transfer to humans