gram negative

Question 1

what are the two gram negative aeorobic cocci?

Answer 1

-Neisseria spp
-Moraxella Catarrhalis

Question 2

what are the two major subtypes of Neisseria spp?

Answer 2

neisseria gonorrhoae
neisseria menigiditis

Question 3

What does neisseria meningitidis cause?

Answer 3

meningitis ( can be life threatening)

Question 4

What kind of samples can neisseria meningitidis be grown from/ diagnosed with?

Answer 4

blood cultures and CSF samples

Question 5

What does neisseria gonorrhoeae cause in men & women?

Answer 5

men - urethritis
women -pelvic inflammatory disease

Question 6

How is neisseria Gonorrhoeae spread?

Answer 6

sexual contact

Question 7

what does moraxella catarrhalis cause?

Answer 7

respiratory tract infections

Question 8

to whom are moraxella catarrhalis infections most prevalent to?

Answer 8

those with lung problems

Question 9

state the 3 main types of LARGE aeorbic gram negative bacilli

Answer 9

-escherchia coli (E.coli)
-salmonella spp
-shigella

Question 10

How many E. Coli types are there?& what is this based on

Answer 10

over 160 based on their O antigen

Question 11

What do E.coli strains commonly cause?

Answer 11

neonatal sepsis and UTI

Question 12

name two important strains of E.coli

Answer 12

-enterotoxogenic E.Coli

-enterohaemorrhagic E.coli

Question 13

what does enterotoxogenic escherchia coli cause ?

Answer 13

travellers diarrhoea

Question 14

what does enterohaemorrhagic Escherichia coli. cause?

Answer 14

bloody diarrhoea

Question 15

How does Escherichia Coli affect Lactose?

Answer 15

it causes fermentation of lactose

Question 16

How does Salmonella spp affect lactose?

Answer 16

it doesnt , (unlike escherchia coli which ferments lactose )

Question 17

what are the two main subtypes of salmonella spp (LARGE aerobic bacilli)

Answer 17

salmonella typhi
salmonella entercia

Question 18

what does salmonella typhi cause ?

Answer 18

typhoid fever & constipation

Question 18

does shigella ferment lactose?

Answer 18

no

Question 19

what does salmonella entercia cause?

Answer 19

-bloody & bacterial diarrhoea
-enterocolitis

Question 20

how is salmonella typhi diagnosed?

Answer 20

organism is isolated from the blood

Question 21

what does shigella cause?

Answer 21

bloody diarrhoea

Question 22

what is meant by coliform?

Answer 22

group belonging to bacilli family
(e.g e.coli,shigella,salmonella)

Question 23

are microaerophilic gram negative bacteria cocci or bacilli

Answer 23

microaerophilic are bacilli

Question 24

what are the two shapes of microaerophilic bacilli

Answer 24

spiral bacilli
curved bacilli

Question 25

example of spiral microaerophilic bacilli

Answer 25

heliobacter species

Question 25

example of curved microaerophilic bacilli

Answer 25

cambylobacter species

Question 26

Other than coliforms (large bacilli) whats the other subtype of aerobic gram -ve bacilli?

Answer 26

small

Question 27

examples of small aerobic bacilli

Answer 27

bordetella
haemophilus influenzae

Question 28

example of gram negative anaerobic bacilli

Answer 28

bacteroides species

Question 29

what causes whoopin cough?

Answer 29

bordetella

Question 30

What does bordetella pertussis cause?

Answer 30

whooping cough

Question 31

what causes COPD

Answer 31

Haemophilus influenzae