Infectious diseases

Question 1

Appendectomy

Answer 1

Requires prophylactic antibiotics

Question 2

Jarisch-Herxheimer reaction

Answer 2

Occurs in response to treatment of syphilis presenting as a fever, rash and tachycardia that requires paracetamol

Question 3

Tatenus

Answer 3

If all 5 vaccines in last 10 years no further management is needed

Question 4

Malaria

Answer 4

• fever on alternating days
• hepatomegaly
• muscle aches
• headache

Question 5

Chlamydia

Answer 5

Manage with doxycycline

Question 6

Bacillus cereus

Answer 6

Shortest incubation time and causes vomiting and diarrhoea within 6 hours

Question 7

Asymptomatic bacteriuria

Answer 7

• in pregnant woman this needs immediate antibiotics

- in catheterised patients do not treat

Question 8

HPV vaccine

Answer 8

Offered to girls and boys aged 12-13

Question 9

Staphylococcal toxic shock syndrome

Answer 9

• nausea and vomiting
• collapse
• tampon use
• fever
• rash on palms of hands and soles of feet

Question 10

Necrotising fasciitis

Answer 10

Immediate surgical debridement and IV antibiotics

Question 11

TB

Answer 11

• consolidation of the upper lobe

- calcified granulomas

Question 12

Meningococcal meningitis contacts

Answer 12

Should be given prophylactic ciprofloxacin or rifampicin

Question 13

E.coli

Answer 13

Most common cause of travellers diarrhoea

Question 14

NAAT

Answer 14

Used to diagnose chlamydia

Question 15

Hookworms

Answer 15

Can cause iron deficiency anaemia and should be suspected with travel to endemic areas such as India

Question 16

Hepatitis B

Answer 16

Increased risk of developing hepatocellular carcinoma

Question 17

Herpes simplex

Answer 17

Causes painful genital ulcers, lymphadenopathy and malaise

Question 18

Post splenectomy infection

Answer 18

• streptococcus pneumoniae
• haemophilus infleunzae
• meningococci

Question 19

Lyme disease

Answer 19

In asymptomatic patients bitten by a tick there is no need to treat

Question 20

Leptospirosis

Answer 20

Caused by spirochaete leptospira interrogans

• sewage workers at risk due to rat urine
• back pain, fever, jaundice, subconjunctival haemorrhage
• doxycycline

Question 21

Croup

Answer 21

Causing barking cough in children and is due to parainfluenza virus

Question 22

Pneumonia in HIV

Answer 22

Commonly pneumocystis jirovecci

Question 23

Influenza virus

Answer 23

• headache
• fever
• malaise
• myalgia
• cough

Question 24

Neisseria meningitis

Answer 24

Gram negative diplococci that commonly causes meningitis

Question 25

Streptococcus pneumonia

Answer 25

Commonly causes meningitis and is a gram positive diplococci

Question 26

Streptococcus pyogenes

Answer 26

• rheumatic fever
• scarlet fever
• cellulitis
• necrotising fasciitis
• tonsillitis

Question 27

Mycoplasma pneumoniae

Answer 27

• worsening flu like symptoms
• dry cough
• erythema multiforme rash (pink ring with pale centre)