Infectious Disease

Question 1

Antibiotics for campylocbacter

Answer 1

Clarithromycin

Question 2

List the live attenuated vaccines

Answer 2

Yellow fever
Polio
Intranasal influenza
Varicella
MMR
BCG

Question 3

Most common cause of travellers diarrhoea

Answer 3

E Coli

Question 4

What is a chancroid?

Answer 4

Disease causes by haemophilus ducreyi. Causes painful genital ulcers associated with unilateral, painful inguinal node enlargement. Ulcer tends to be deep with a ragged border

Question 5

Treatment of chlamydia in pregnancy

Answer 5

Azithromycin

Question 6

Treatment of chlamydia (not pregnant)

Answer 6

Doxycycline

Question 7

What is the longest after the exposure event that HIV PEP can be started

Answer 7

72 hours

Question 8

Management of toxoplasmosis in immunosupressed patients

Answer 8

Pyrimethamine + sulphadiazine for at least 6 weeks

Question 9

What does an aspergilloma look like on a CXR?

Answer 9

A rounded opacity
Crescent sign may be present

Question 10

Antibiotics for campylobacter

Answer 10

Clarithromycin

Question 11

Antibiotic that causes orange tears and urine

Answer 11

Rifampicin

Question 12

Main side effect of ethambutol

Answer 12

Optic neuritis

Question 13

Side effects of isoniazid

Answer 13

Hepatitis, peripherall neuropathy and agranulocytosis

Question 14

Side effects of pyrazinamide

Answer 14

Myalgia arthralgia, hepatitis and hyperuricaemia

Question 15

Treatment fo syphillis

Answer 15

IM benzathine penicillin

Question 16

Treatment for latent TB

Answer 16

3 months of isoniazid ( + Pyridoxine) and rifampicin OR
6 months isoniazid with pyridoxine

Question 17

What medication is given with isoniazid and why

Answer 17

Pyridoxine (vitamin B6) to prevent peripheral neuropathy

Question 18

What are the 3 stages of lyphgranuloma venereum

Answer 18

1. Small painless pustule which later forms and ulcer
2. Painful inguinal lymphadenopathy
3. Proctocolitis

Question 19

Treatment of bacterial vaginosis in patients who are allergic to metronidazole

Answer 19

Clindamycin

Question 20

What is the decolonisation regime for MRSA

Answer 20

Nasal mupirocin + chlorhexidine for skin

Question 21

How many doses of tetanus give you lifelong protection

Answer 21

5

Question 22

Treatment of legionella

Answer 22

Erythromycin/clarithromycin

Question 23

Needlestick from a patient with hepatitis B

Answer 23

Booster dose of vaccine (if responder)
Hep B immunoglobulin if non responder

Question 24

Needlestick for a patient with hepatitis C

Answer 24

Monthly PCR - if seroconversion then interferon + Ribavarin

Question 25

How long is post exposure prophylaxis for HIV taken

Answer 25

4 weeks

Question 26

What is the standard test for HIV?

Answer 26

Combination of p24 antigen and HIV antibody test

Question 27

When does the p24 antigen become positive

Answer 27

Becomes positive from about 1 week to 3/4 weeks after infection

Question 28

First line for malaira prophylaxis

Answer 28

Atovaquone - proquanil (Malarone)

Question 29

First line treatment for uncomplicated falciparum malaria

Answer 29

artemesinin combination therapy

Question 30

First line treatment for severe falciaparum malaria

Answer 30

IV artesunate

Question 31

Organism that causes malignant ottitis externa

Answer 31

Pseudomonas

Question 32

What is the aim CD4 count on anti retroviral medication

Answer 32

Over 350