Bordetella

Question 0

This organism has bipolar metachromatic granules

Answer 0

B pertussis

Question 1

Describe bordetella pertussis

Answer 1

RENAN

ROD
ENCAPSULATED
NEGATIVE
AEROBIC
NONMOTILE

Question 2

Give some enriched media for b pertussis

Answer 2

Bordet-gengou

Potato-blood-glycerol agar

Question 3

B pertussis are grown in charcoal containing media

Answer 3

True

Question 4

B parapertusis are oxidase positive and urease positive

Answer 4

False. Urease positive. Negative oxidase

Question 5

B bronchoseptica are both urease and oxidase positive

Answer 5

True

Question 6

This bordetella sp causes subclinical infxn and has a silent copy of the pertussis toxin gene

Answer 6

B parapertusis

Question 7

This sp of bordetella causes infxns in animals

Answer 7

B bronchoseptica

Question 8

The highly infective stage of pertussis

Answer 8

Catarrhal stage

Question 9

Catarrhal has the highest amount of bacterial load

Answer 9

Catarrhal

Question 10

What phase are toxins produced and liberated

Answer 10

Produced - catarrhal
Liberated - paroxysmal

IPCPC q
7-10days
1-2
2-4
3-4

Question 11

This condition prediminates in infants

Answer 11

Whoop - convulsions

Question 12

This predominates in older children and adults

Answer 12

Paroxysmal coughing

Question 13

Fatal complication of pertussis though rare

Answer 13

Encephalitis

Question 14

Blood is invaded with pertusis

Answer 14

False

Question 15

Death usually occurs in the 3rd year of life

Answer 15

Under 1

Question 16

Cbc manifests leukemoid rxn

Answer 16

Pertusis

Question 17

Serologic testing is diagnostic of pertusis

Answer 17

No, antibodies do not increase until 3rd wk of illness. Already in paroxysmal. Abx not effective

Question 18

Vancomycin is given for pertussis

Answer 18

False. Erythromycin

Question 19

This toxin causes ischemia leading to tracheal necrosis

Answer 19

Dermonecrotic toxin

Question 20

This virulence factor mediates adhesion to ciliated epithelial cells

Answer 20

Filamentous hemagglutinin

Question 21

This toxin acts with dermonecrotix toxin in causing tracheal necrosis

Answer 21

Tracheal toxin

Question 22

This toxin causes pertussis by inhibiting DNA synthesis inhibiting non ciliated cell differentiation

Answer 22

Tracheal toxin

Question 23

Tracheal toxin is a peptidolglyan like molecule

Answer 23

True

Question 24

This exotoxin cholera like is responsible for paroxysmal coughing

Answer 24

Pertussis toxin or pertussigen Di porke p toxin ay ngkakacause ng pertussis

Question 25

This virulence factor is activated by calmodulin. Increases CAMP, increase h20, increase secretions

Answer 25

Adenylate cyclase toxin

Question 26

An oligopeptide

Answer 26

Pertussigen

Question 27

Promotes lymphocytosis and increases igE and LPS

Answer 27

Pertussigen