Infectious Diseases

Question 1

What colour do the following stain:

1. gram-negative
2. gram-positive

Answer 1

1. pink

2. purple

Question 2

What are some gram negative bacilli? (6)

Answer 2

E coli
Salmonella
Klebsiella
Campylobacter

Pseudomonas
Legionella

Question 3

What are some gram negative cocci? (2)

Answer 3

Neisseria meningitidis

Gonorrhoea

Question 4

What are some gram positive bacilli?

Answer 4

Listeria

Question 5

What are some gram positive cocci?

Answer 5

Staphyloccus (clusters)

Streptococci (chains)

Question 6

Which antibiotic covers for:

1. Pseudomonas
2. ESBL
3. MRSA
4. Atypical bacteria

Answer 6

1. Tazocin
2. Meropenem
3. Teicoplanin
4. Clarithromycin or doxycycline

Question 7

Gastroenteritis

1. Most common type? Incubation?
2. Causes mesenteris adenitits?
3. Watery diarrhoea?
4. Must avoid antibiotics?
5. A rare cause of HUS? Incubation?
6. Resolves in 24h?
7. Causes chronic diarrhoea?

Answer 7

1. Campylobacter - 2 to 5 days
2. Yersinia
3. Salmonella
4. E coli 0157
5. Shigella - 1 to 2 days
6. Bacillus cereus
7. Giardia lamblia

Question 8

How can CMV present in a transplant patient?

Answer 8

Vomiting, bloody diarrhoea, pyrexia, dehydration

Can also present as hepatitis or pneumonia

Question 9

What is the test for a systemic fungal infection?

Answer 9

Beta D glucan test

Question 10

What are some complications of influenza? (4)

Answer 10

Primary viral pneumonia
Secondary bacterial pneumonia
Myositis
CNS infection e.g. encephalitis, GBS, meningitis, transverse myelitis