3 8-year-old male presents with episodic wheeze and non-productive cough which occurs particularly at night. He has been employed in the plastics industry. He is worried about relation of these symptoms to his work. Which of the following confirms his worries?

A 48-year-old woman presented with shortness ofbreath, productive cough with white sputum  in the morning and low grade fever. She used to smoke 20 cigarettes per day for 30 years.

What is the most likely diagnosis?

A 97-year-old woman is admitted to accident and emergency with pyrexia (38.1°C) and a cough productive of green sputum. The observations show a pulse rate of 101, BP 80/60 and respiratory rate of 32. Blood results reveal a WCC of 21,respiratory rate and chest x-ray shows a patch of consolidation in the lower zone of the right lung. She is treated for severe community-acquired pneumonia. Which of the following is the correct?

A 56 year-old woman presented with shortness ofbreath, productive cough with white sputum  in the morning andShe used to smoke 40cigarettes per day for 26years. Oxygen decrease and carbon dioxide increase

What is the most likely diagnosis?

In addition to chest x-ray and pulmonary function testing, which of the following studies is most appropriate for patients < 50 yr who have symptomatic COPD?

Which of the following statements about COPD is NOT true?

 Which does not belong to the clinical manifestation of bronchial asthma:

You see a 68-year-old man in clinic, with a 40 (cigarette) pack year history, who has been experiencing breathlessness on exertion and a productive cough of white sputum over the last four months.  For 3 years Cardiological investigations are normal.

Which of the following is the most likely diagnosis?

An asymptomatic 19-year-old student with a murmur is found to have mitral regurgitation on echocardiogram. The physical findings might include 

A 73-year-old man has angina pectoris on exertion, but an angiogram reveals noncritical stenosis of the coronary arteries. This occurs most frequently with