Past Papers Micro

Question 1

most common cause of traveller’s diarrhoea

Answer 1

Escherichia Coli

Question 2

foul-smelling diarrhoea and cramping pain 5 days after eating chicken at a barbecue

Answer 2

Campylobacter

+/- bloody diarrhoea

Question 3

food poisoning 7 days post meal

Answer 3

giardiasis or amoebiasis

Question 4

Food poisoning after Chinese/rice based dinner

Answer 4

Bacillus cereus

Question 5

Had surgery + antibiotics

now profuse watery diarrhoea

Answer 5

C. difficile

Question 6

Nurse gets diarrhoea, now others have it

Answer 6

Norovirus

Question 7

Common amongst travellers
Watery stools
Abdominal cramps and nausea

Answer 7

E. coli

Question 8

Prolonged, non-bloody diarrhoea

Answer 8

Giardiasis

Question 9

Profuse, watery diarrhoea
Severe dehydration resulting in weight loss
Not common amongst travellers

Answer 9

Cholera

Question 10

Bloody diarrhoea

Vomiting and abdominal pain

Answer 10

Shigella

Question 11

Severe vomiting

Short incubation period

Answer 11

S. aureus

Question 12

flu-like prodrome, usually followed by crampy abdominal pains,
fever and diarrhoea which may be bloody

Can be Guillain-Barre Sx

Answer 12

Campylobacter

Question 13

Gradual onset bloody diarrhoea, abdominal pain and tenderness
which may last for several weeks

Answer 13

Amoebiasis

Question 14

Tx for Listeria meningitis

Answer 14

Amoxicillin + Gentamycin
or
Ampicillin + Gentamycin

Question 15

Tx for mild CAP caused by Hib

Answer 15

Amoxicillin

Question 16

Young F

cystitis and fully sensitive E-Coli

Answer 16

Trimethoprim

Question 17

cellulitis with MRSA Tx

Answer 17

IV Vancomycin

Question 18

cellulitis with MSSA Tx

Answer 18

Flucloxacillin

Question 19

<3m bacterial meningitis Tx

Answer 19

IV cefotaxime (for GBS + E.coli)
plus amoxicillin or ampicillin (for Listeria)

Question 20

> 3 months or older suspected meningitis

Answer 20

IV Ceftriaxone (without delay)

Tria = over 3 months

Question 21

50/60 years bacterial meningitis Tx

Answer 21

IV cefotaxime plus amoxicillin or ampicillin

Question 22

Meningococcal meningitis Tx

Answer 22

Intravenous benzylpenicillin
or if in hospital cefTRIaxone

N. meningitidis commonest meningitis cause in >3m - 60 y/o

Question 23

Pneumococcal meningitis Tx

Answer 23

IV cefTRIaxone

Strep. pneumoniae 2nd commonest meningitis cause in >3m - 60 y/o

Question 24

Meningitis caused by Haemophilus influenzae

Answer 24

IV cefTRIaxone

Question 25

woman who is infected with herpes simplex/ HSV1 encephalitis

Answer 25

Aciclovir

Question 26

herpes zoster in pregnancy

Answer 26

Aciclovir

Question 27

Neonate with Cytomegalovirus Retinitis

Answer 27

(IV) Ganciclovir

Question 28

Tx viral syncytial virus (bronchiolitis) in a child

Answer 28

Ribavirin

Question 29

19 year old asthmatic, treat influenza A

Answer 29

Oseltamivir (aka Tamiflu) | Peramivir

Question 30

student acting strange lately LP - high lymphocytes,raised protein, normal glucose cause?

Answer 30

herpes

Question 31

18 year old student Gram Negative diplococci meningitis

Answer 31

Neisseria meningitidis

Question 32

smoker Gram Positive diplococci meningitis

Answer 32

Strep Pneumonia

Question 33

Gram negative rod causing sepsis in a neonate

Answer 33

E. Coli

Question 34

Gram positive rod | meningitis in a 72 year old

Answer 34

Listeria monocytogenes

Question 35

Gram positive rod sepsis baby <3m

Answer 35

Listeria Monocytogenes

Question 36

Gram negative rod causing sepsis | >3m

Answer 36

Haemophilus influenza (Hib)

Question 37

Gram positive cocci

Answer 37

staphylococci + streptococci

Question 38

Gram negative cocci

Answer 38

Start with N Neisseria meningitidis Neisseria gonorrhoeae Moraxella

Question 39

Meningitis causes | 0 - 3 months

Answer 39

Group B Streptococcus (most common cause in neonates) (Round or Coccus) E. coli (Rod or Bacillus) Listeria monocytogenes (Rod or Bacillus

Question 40

Meningitis causes | 3m- 60yr

Answer 40

``` Neisseria meningitidis Streptococcus pneumoniae (Round or Coccus) Haemophilus influenza (Coccobacillus) ```

Question 41

Meningitis causes | 6 years - 60 years

Answer 41

``` Neisseria meningitidis Streptococcus pneumoniae (Round or Coccus) ```

Question 42

Meningitis causes | > 60 years

Answer 42

Streptococcus pneumoniae Neisseria meningitidis Listeria monocytogenes

Question 43

Meningitis causes | Immunosuppressed

Answer 43

Listeria monocytogenes (Rod or Bacillus)

Question 44

two main types of Staphylococci

Answer 44

Staphylococcus aureus - Coagulase-positive, skin infections Staphylococcus epidermidis - Coagulase-negative, central line infections and infective endocarditis

Question 45

commonest cause jaundice/fever in returning traveller

Answer 45

malaria

Question 46

Middle aged lady. Liver biopsy, loss of bile ducts and granulomas present

Answer 46

PBC

Question 47

Jaundice + Ulcerative colitis

Answer 47

PSC suspicion, S in PSC for Suspicious Ulcerative colitis