Bacteria

Question 1

Comma shaped bacteria?

Answer 1

Vibrio Cholerae

Question 2

Alkaline media, Yellow on TCBS Agar

Answer 2

Vibrio Cholerae

Question 3

Who at risk of Salmonella?

Answer 3

Sickle Cell disease patients and reduced stomach acid

Question 4

2 groups of Salmonella?

Answer 4

Acute GE and Typhoid Fever group

Question 5

Which bacteria for Chocolate Agar?

Answer 5

H. Influenzae

Question 6

What vaccine for H. Influenzae?

Answer 6

Routine childhood vaccine

Question 7

PAE found where?

Answer 7

Soil and water

Question 8

What agar for PAE?

Answer 8

Cetrimide Agar, Blue/Green pigment

Question 9

What symptoms for PAE?

Answer 9

Contact-lens folliculitis
Endocarditis
HAI - pneumonia, UTI, cystic fibrosis patients at high risk
Otitis Externa
Hot-tub folliculitis
Ecthyma Gangrenosum

Question 10

ASO titre
Ab to hyaluronidase
DNAse B

Answer 10

Strep Pyogenes

Question 11

Toxic factors of Strep Pyogenes?

Answer 11

Streptolysin O&S
M protein - molecular mimicry in ARF
Streptococcal Pyrogenic Exotoxins

Question 12

What does GAS cause

Answer 12

Pharyngitis
Tonsilitis
SSTI
Scarlet Fever
ARF
TSS
Necrotizing Fasciitis

Question 13

Positive hippurate test?

Answer 13

Strep Agalactiae

Question 14

Positive cAMP test with arrowhead zone of hemolysis?

Answer 14

Strep Agalactiae

Question 15

Is GBS normal flora of GI and Colon?

Answer 15

Yes

Question 16

Strep Viridans

Answer 16

Subacute endocarditis
Adhere to platelets
Produce dextrans

Question 17

Streps cultured on what agar?

Answer 17

blood agar

Question 18

Draughtsman colonies on blood agar?

Answer 18

Strep Pneumoniae

Question 19

Virulence factors of Strep Pneumo?

Answer 19

Anti-phagocytic capsule
IgA protease
Pneumolysin

Question 20

Gram positive cocci in clusters?

Answer 20

Staph Aureus

Question 21

Virulence factors of Staph Aureus?

Answer 21

Protein A
TSST-1
Epidermolytic toxins A&B
Enterotoxins A-E

Question 22

Transported in Charcoal medium and chocolate agar. which bacteria?

Answer 22

N. Gonorrhoeae

Question 23

Describe N. Gonorrhoeae?

Answer 23

Gram Negative Intracellular diplococci, facultative intracellular

Question 24

Virulence factors of N. Gonorrhoae?

Answer 24

Lipooligosaccharide
Fimbriae

Question 25

Symptoms of N. Gonorrhoeae?

Answer 25

Asymmetric Arthritis, PID, Fitz-Hugh-Curtis syndrome

Asymptomatic in females but can have PID, endocervical infection

Question 26

Which Gram negative cocci ferments maltose?

Answer 26

N. Meningitidis

Question 27

Virulence factors of N. Meningitidis?

Answer 27

Lipooligosaccharide
Anti-phagocytic capsule

Question 28

N. Meningitidis symptoms?

Answer 28

Non-blanching petechial rash
Waterhouse-Friedchen syndrome

Question 29

Traveller’s Diarrhea in SEA

Answer 29

Campylobacter Jejuni

Question 30

Thermophilic
Gram Neg curved rod
Oxidase (+)

Answer 30

Campylobacter Jejuni

Question 31

Hutchinson’s Triad for congenital syphillis?

Answer 31

Notched Teeth
CN8 deafness
Corneal clouding

Question 32

Dark Ground illumination bacteria?

Answer 32

Treponema Pallidum

Question 33

Triad for Chylamdia Trachomatis STI?

Answer 33

Reactive arthritis
Urethritis
Conjunctivitis/Uveitis

Question 34

Symptoms of Staph Aureus?

Answer 34

Impetigo
Endocarditis (IVDA)
Pneumonia (Influenza)
Osteomyelitis
SSSS
SSTI

Question 35

Which Gram negative cocci ferments maltose?

Answer 35

N. Meningitidis

Question 36

Streps are Catalase what?

Answer 36

Catalase Negative

Question 37

What do all Enterobacteriae have in cell envelope?

Answer 37

Lipopolysaccharide