AMC MCQ Respiratory Medicine 2

Question 1

A 24-year-old with known asthma presents with a silent chest, exhaustion, and SpO2 of 88% on air. What is the most appropriate immediate management?

Accepted Answer

Nebulised salbutamol, oxygen, IV hydrocortisone and call for senior/ICU help

Answer

Oral prednisolone and discharge

Answer

Reassurance and peak flow diary

Answer

IV antibiotics alone

Question 2

Which finding on arterial blood gas is most concerning in an acute severe asthma attack?

Accepted Answer

A normal or rising PaCO2

Answer

A low PaCO2

Answer

A high PaO2

Answer

A mild respiratory alkalosis

Question 3

A patient with COPD has chronic CO2 retention. What is the recommended target oxygen saturation range during an exacerbation?

Accepted Answer

88–92%

Answer

94–98%

Answer

100%

Answer

Below 85%

Question 4

Which organism is the most common cause of community-acquired pneumonia?

Accepted Answer

Streptococcus pneumoniae

Answer

Staphylococcus aureus

Answer

Legionella pneumophila

Answer

Mycoplasma pneumoniae

Question 5

A CURB-65 score of 4 in a patient with pneumonia indicates which management approach?

Accepted Answer

Consideration of ICU admission

Answer

Home treatment with oral antibiotics

Answer

No antibiotics needed

Answer

Outpatient follow-up only

Question 6

Which feature most strongly suggests Legionella pneumonia rather than typical pneumonia?

Accepted Answer

Hyponatraemia with confusion and diarrhoea

Answer

Productive rusty sputum

Answer

Localised pleuritic chest pain only

Answer

Rapid response to penicillin

Question 7

What is the first-line investigation when pulmonary embolism is suspected in a haemodynamically stable patient with normal renal function?

Accepted Answer

CT pulmonary angiography

Answer

Bronchoscopy

Answer

Sputum culture

Answer

Spirometry