Microbiology pathology

Question 1

Gram positive bacteria stain

Answer 1

Thicker cell walls - darker stain

Question 2

Dark field stain

Answer 2

Syphilis

Question 3

Giemsa stain

Answer 3

Chlamydia

Question 4

Acid-fast stain

Answer 4

TB

Question 5

Staph aureus virulence

Answer 5

Protein A - inhibits phagocytosis

Question 6

Most common organism to cause infected heart valves

Answer 6

Staph epidermis

Question 7

2nd most common organism causing UTI in women

Answer 7

Staph saprophyticus

Question 8

Cancer associated with strep bovis

Answer 8

Colorectal cancer

Question 9

Where is Neisseria Meningitidis most commonly found?

Answer 9

Nasal cavity

Question 10

Exostosis

Answer 10

Cold water swimmer
Unable to visualise tympanic membrane

Question 11

Pseudomonas aeruginosa

Answer 11

Swimmers ear
Cipro drops

Question 12

Most common organism in otitis media

Answer 12

Strep pneumoniae

Question 13

Actinomyces

Answer 13

Bacteria
Yellow - sulphur

Question 14

Bacillus cereus gastroenteritis

Answer 14

Rice
30 mins
Exotoxin

Question 15

Staph aureus gastroenteritis

Answer 15

Garden party, salad
3 hrs

Question 16

Salmonella enterica

Answer 16

Eggs and meat
6 hrs

Question 17

Causes of watery diarrhoea

Answer 17

• C. Difficile
• C. Perfringens
• E.coli
• Rota/Norovirus

Question 18

Causes of bloody diarrhoea

Answer 18

• Salmonella (motile)
• Campylobacter (meat)
• Entamoeba Histolytica
• E.coli

Question 19

C Perfringes

Answer 19

Undercooked meat
< 2 days

Question 20

C botulinum

Answer 20

Canned food
< 2 days

Question 21

C diff

Answer 21

Abe
> 2 days

Question 22

Campylobacter

Answer 22

Spiral shaped
Undercooked meat
> 2 days

Question 23

Treatment of amoebic dysentry

Answer 23

Mebendazole

Question 24

Most common STI < 35 yo

Answer 24

Chlamydia

Question 25

Most common STI > 35 yo

Answer 25

Gonorrhoea

Question 26

C perfinges toxin

Answer 26

Alpha toxin

Question 27

Eaton lambert

Answer 27

Pre synaptic Calcium channels blocked

Question 28

Myasthenia gravis

Answer 28

Post synaptic ACh

Question 29

Purple urine in catheter

Answer 29

Pseudomonas aeruginosa

Question 30

Most common causative organism in osteomyelitis

Answer 30

Staph aureus

Question 31

Most common causative organism in osteomyelitis in sickle cell patients

Answer 31

Salmonella

Question 32

Most common causative organism in osteomyelitis in spine

Answer 32

TB

Question 33

Most common causative organism in osteomyelitis in IVDU

Answer 33

Pseudomonas

Question 34

Most common organism causing diverticulitis/appendicitis

Answer 34

Bacteroides fragilis

Question 35

Cat scratch

Answer 35

Bartonella henselae

Question 36

Human bite

Answer 36

Eikenella corrodens

Question 37

Yersinia enterocolitis

Answer 37

RIF pain Erythema nodosum

Question 38

Sporotrichosis

Answer 38

No fever/pain Gardening Lymphatic nodules

Question 39

Bacilus antracis

Answer 39

Sheep farmer Painless black ulcer Government notifiable

Question 40

Enterobius vermicularis

Answer 40

Threadworms Mebendazole

Question 41

1-2 day post op fever

Answer 41

Atelectasis/pneumonia

Question 42

3-5 day post op fever

Answer 42

UTI

Question 43

5-7 days post op fever

Answer 43

Surgical site infection

Question 44

5+ days post op fever

Answer 44

DVT/PE

Question 45

Chemical used to sterilise scopes

Answer 45

Ethylene oxide

Question 46

Macrolides

Answer 46

Attack 50s subunit Macro = big

Question 47

Aminoglycosides

Answer 47

Attack 30s subunit Mini = small

Question 48

Vancomycin

Answer 48

Attack cell wall

Question 49

Quinolones

Answer 49

Tendon rupture Attack DNA gyrase - gyrate on dance floor with Achilles heel

Question 50

Penicillins

Answer 50

Attack cell wall

Question 51

Trimethoprim

Answer 51

Prevents folate synthesis

Question 52

Amoxicillin

Answer 52

Rash with EBV

Question 53

Trimethoprim

Answer 53

Causes irreversible pancytopenia when give with methotrexate

Question 54

Nitrofurantoin

Answer 54

Can cause pulmonary fibrosis

Question 55

Ciprofloxacin

Answer 55

Achilles tendonitis QT interval prolongation