Gram negative bacilli (non-enterics)

Question 1

Haemophilus influenza Morphology/Structure

Answer 1

Gram negative
coccobacillus, facultative
anaerobe

Question 2

Haemophilus influenza Virulence Factors

Answer 2

b polysaccharide
capsule, adhesion
proteins

Question 3

Haemophilus influenza Diseases/Symptoms

Answer 3

Acute bacterial meningitis,
Symptoms include: fever,
stiff neck, vomiting,
neurological impairment

Question 4

Haemophilus influenza Diagnostics

Answer 4

H. influenzae
cultured from
usually sterile
sites (e.g.,
cerebrospinal
fluid)

Question 5

Haemophilus influenza Prevention/Treatment

Answer 5

Vaccine (Hib)
vaccine is against
b polysaccharide
capsule.
Amoxicillin and
cephalosporin.

Question 6

Haemophilus influenza Immune Response

Answer 6

Can be part of
normal flora that
crosses bloodbrain barrier

Question 7

Haemophilus influenza Modes of Transmission

Answer 7

Upper respiratory
tract of humans
form that has
capsule is
pathogenic

Question 8

Pseudomonas
aeruginosa Morphology/structure

Answer 8

Gram negative rod, flagella,
aerobic

Question 9

Pseudomonas
aeruginosa Modes of Transmission

Answer 9

Many people can
be asymptomatic
carrier, People in
hospitals,
swimming pools,
moist environments

Question 10

Pseudomonas
aeruginosa Virulence Factors

Answer 10

Exotoxins, biofilms,
pyocyanin kills nasal
cilia, pyoverdin steals
host iron

Question 11

Pseudomonas
aeruginosa Diseases/symptoms

Answer 11

UTI, bed sores,
Opportunistic and
nosocomial of
immunocompromised.
Can also lead to jacuzzi
rash (usually self limiting)

Question 12

Pseudomonas
aeruginosa Diagnostics

Answer 12

Mac Conkey
agar - nonlactose
fermentor.
Oxidase positive,
rotting fruit odor

Question 13

Pseudomonas
aeruginosa Prevention/Treatment

Answer 13

Multi drug
resistant.
Aminoglycosides
and
cephalosporins
have been known
to be effective,
some strains need
to use Imipenem

Question 14

Pseudomonas
aeruginosa Immune Response

Answer 14

Opportunistic,
nosocomial
pathogen of
immunocompromi
sed. Also, people
with cystic
fibrosis can live in
excess mucus
and cause death.

Question 15

Bordetella pertussis Morphology/structure

Answer 15

Gram negative, Coccobacillus, aerobic

Question 16

Bordetella pertussis Modes of Transmission

Answer 16

Not normal flora of
human respiratory
tract, true
pathogen

Question 17

Bordetella pertussis Virulence Factors

Answer 17

Capsule, Pertussis
toxin

Question 18

Bordetella pertussis Diseases/Symptoms

Answer 18

Whooping Cough; mostly in
children, symptoms inc
lude: runny nose,
sneezing, fever, dry cough
makes whooping sound

Question 19

Bordetella pertussis Diagnostics

Answer 19

Gram negative,
cocobacili,
diplococci
arrangement on
gram stain.
Cephalosporin
sensitive

Question 20

Bordetella pertussis Prevention/Treatment

Answer 20

Cephalosporin,
Azithromycin,
Vaccine DTP or
DTPH

Question 21

Bordetella pertussis Immune Response

Answer 21

Infants younger
than 12 months
have highest risk
for severe or life
threatening
conditions