Respiratory Pathogens

Question 1

Bronchiolitis

Answer 1

Respiratory syncytial virus

Question 2

Croup

Answer 2

Parainfluenza

Question 3

Rhinovirus

Answer 3

Common Cold

Question 4

Most common cause of CAP

Answer 4

Strep. pneumoniae

Question 5

CAP and most common cause of bronchiectasis exacerbations
and acute epiglottitis

Answer 5

Haemophilus influenzae

Question 6

Cause of pneumonia after flu infection

Answer 6

Staph aureus

Question 7

Atypical pneumonia with Flu-like symptoms classically preceding a dry cough.

Complications include haemolytic anaemia and erythema multiforme

Answer 7

Mycoplasma

Question 8

Atypical pneumonia classically spread by air-conditioning systems.

Causes dry cough, lymphopenia, deranged LFTs and hyponatraemia.

Answer 8

Legionella

Question 9

Common cause of pneumonia in HIV patients.

Typically very few chest signs and develop exertional dyspnoea

Answer 9

PJP

Question 10

Causes tuberculosis.

Wide range of presentations from asymptomatic to disseminated disease.

Cough, night sweats and weight loss may be seen

Answer 10

Mycobacterium tuberculosis