Microbiology 3

Question 0

Diplococci G-

Answer 0

Neisseria meningitidis

N. Gonorrhoeae

Question 1

Oxidase +

Answer 1

Campylobacter jejuni

Vibrio cholerae

Question 2

Coccoid rods G-

Answer 2

Haemophilus influenza

Bordetella pertussis

Pasteurella

Brucella

Question 3

Fast lactose fermenters

Answer 3

Klebsiella
E. Coli
Enterobacter

Question 4

Slow lactose fermenter

Answer 4

Citrobacter

Serratia

Question 5

Lactose nonfermenters

Oxidase+

Answer 5

Pseudomonas

H. Pylori

Question 6

Lactose nonfermenters

Oxidase -

Answer 6

Shigella
Salmonella
Proteus

Question 7

MacConkey’s agar used to

Answer 7

Lactose fermenters are pink on MacConkey’s

macConKEE’S

Citrobacter
Klebsiella
E. coli
Enterobacter
Serratia

Question 8

Gram- resistant to

Answer 8

Penicillin G

Question 9

Neisseria that has polysaccharide capsule

Answer 9

Meningococci

Question 10

Neisseria that ferments maltose

Answer 10

Meningococci

MeninGococci ferment Maltose and Glucose
Gonococci ferments glucose

Question 11

Symptoms of Waterhouse Friderichsen syndrome

And cause

Answer 11

Massive bleeding into adrenal glands leading to organ failure, coma, low blood pressure, shock, DIC, adrenalcortical insufficiency

Caused by neisseria meningococci

Question 12

H influenza symptoms

Answer 12

Epiglottitis
Meningitis
Otitis media
Pneumonia

haEMOPhilus

Question 13

Chocolate agar grows

Answer 13

H. Influenza

But requires factors V(NAD+) and X(hematin) for growth

Or s. Aureus which produces V

Question 14

Most invasive capsular type B

Answer 14

H. Influenza

Question 15

Legionella pneumophila symptoms

Answer 15

Legionnaire’s disease: pneumonia, fever, GI, CNS

Pontiac fever

Question 16

Legionella stain, and medium for growth

Answer 16

Silver stain

Grow on charcoal yeast extract, with iron and cysteine

Question 17

Pseudomonas aeruginosa symptoms

Answer 17

1. Wound and burn infections

2. PSEUDOmonas
Pneumonia in cystic fibrosis
Sepsis
External otitis (swimmers ear)
UTI
Drug use
Diabetic osteomyelitis 

3. Hot tub folliculitis

Question 18

Traveler’s diarrhea

Pathogen?
Toxin?

Answer 18

ETEC

Labile and stabile toxin

Question 19

Name of most common serotype of E. coli

Answer 19

O157:H7 aka EHEC

Question 20

E. coli virulence factor that cause cystitis and pyelonephritis

Answer 20

Fimbriae

Question 21

E. coli virulence factor that causes pneumonia and neonatal meningitis

Answer 21

K capsule

Question 22

E. coli virulence factor that causes septic shock

Answer 22

LPS endotoxin

Question 23

Guillian-Barr syndrome

Symptoms?
Cause?

Answer 23

Acute polyneuropathy with symmetry in the limbs
Most common cause of non trauma paralysis

Autoimmune following campylobacter jejuni