Infectious Diseases

Question 1

Which bacteria causing diarrhoea has the shortest incubation period?

Answer 1

Bacillus cereus

Question 2

Abx in cellulitis for penicillin allergic

Answer 2

Ciprofloxacin
Erythromycin if pregnant
Doxycycline

Question 3

HPV strains causing genital warts

Answer 3

6 & 11

Question 4

Live attenuated vaccines

Answer 4

BIP MYT

BCG
MMR
oral polio
yellow fever
oral typhoid
Oral influenza

Question 5

Toxin associated with severe vomiting and short incubation period

Answer 5

Staph aureus

Question 6

lumbar puncture show a yeast and a capsule in the CSF stained with India ink.

Answer 6

Cryptococcal meningitis

Question 7

First line investigation and tx for Lyme disease

Answer 7

ELISA blood serum test

Doxycycline
If allergic, amoxicillin

Question 8

Tx for pelvic inflammatory disease

Answer 8

Doxycycline + metronidazole + ceftriaxone 6

Question 9

Treatment for PID

Answer 9

Ceftriaxone, metronidazole and doxycycline

Question 10

Cervical lymphadenopathy and grey coating on tonsils, what disease and what treatment

Answer 10

Diptheria

IM penicillin

Question 11

Treatment of acute prostatitis

Answer 11

Ciprofloxacin for 28 days

Pro in both words

Question 12

Trichomonas vaginalis treatment

Answer 12

oral metronidazole

Question 13

Anti malarial to avoid in epilepsy

Answer 13

Chloroquine

Question 14

Weekly anti malarials

Answer 14

Chloroquine

Mefloquine

Question 15

Anti malarial can be stopped 1 week after

Answer 15

Malarone (Atovaquone and proguanil)

Question 16

When to provide tetanus vaccine in trauma

Answer 16

If patient had tetanus <10 years ago or did not have all 5 doses

Question 17

Most common cause of diarrhoea in HIV patients

Answer 17

Cryptosporidium

Question 17

LRTI in COPD patients, which organism

Answer 17

Pseudomonas

Question 18

Tx for genital warts

Answer 18

Single: cryotherapy
Multiple: podophyllum

Question 19

Animal bite antibiotics

Answer 19

Co-amoxiclav

Question 20

Treatment of latent TB

Answer 20

3 months of isoniazid (with pyridoxine) and rifampicin, or

6 months of isoniazid (with pyridoxine)

Question 21

Treatment of chlamydia and follow up TOC

Answer 21

Doxycycline

Azithromycin/erythromycin if pregnant

TOC at 6 weeks

Question 22

Prophylactic Abx for meningitis contacts

Answer 22

Oral ciprofloxacin

Question 23

Campylobacter treatment

Answer 23

If mild, supportive

If severe, clarithromycin

Question 24

Pneumonia with hypoNa, which organism?

Answer 24

Mycoplasma pneumonia

Question 25

EBV associated malignancies

Answer 25

Burkitt’s lymphoma
Hodgkin’s lymphoma
nasopharyngeal carcinoma

Question 26

Causative organism Kaposis sarcoma

Answer 26

HHV 8

Question 27

Pneumonia following influenza. Which organism?

Answer 27

Staph aureus

Question 28

Treatment of pneumocystis pneumonia

Answer 28

Co trimoxazole

Question 29

Most common site of nec fasc

Answer 29

Perineum

Question 30

Influenza vaccine in children

Answer 30

Age 2-3
Intranasal
Live attenuated

Question 31

Presentation of shigella

Answer 31

Bloody diarrhoea
Vomiting
Abdo pain

Question 32

Chancroid presentation and organism

Answer 32

Painful penile ulcer

Haemophilus Ducreyi

Question 33

Ragged, painful genital ulcer and lymphadenopathy

Answer 33

Chancroid

Question 34

India ink stain

Answer 34

Cryptococcal meningitis

Question 35

+ve Paul Bunnell

Answer 35

Glandular fever/infectious mononucleosis

Question 36

Owl’s eye

Answer 36

CMV

Question 37

Hepatitis transmitted faecal orally

Answer 37

E A

Question 38

Features of salmonella typhi

Answer 38

High fever
Relative bradycardia
Rose spots

Question 39

Dysentery, liver abscess

Answer 39

Entamaeoba hystolica

Question 40

swimmer’s itch

Answer 40

Schistosomiasis