Question 56
A 43 year old man with presents with an infective exacerbation of COPD Your consultant advises you to give IV hydrocortisone What best describes the mechanism of action of this treatment for this acute condition?
Question 57
A 48 year old man presents to the ED with sudden onset, severe abdominal pain His CT shows pneumoretroperitoneum. Which of these structures is most likely to have perforated?
Question 58
A 34 year old man presents wrth shortness of breath He has a normal alveolar-arterial <A-a) gradient What is the most likely diagnosis?
Question 59
A 23 year old presents with episodes of a painful left arm which becomes swollen and cyanosed after they have been kayaking Obstruction of which structure is most likely to cause these symptoms'?
Question 60
A 54 year old man presents with headaches, palpitations and diaphoresis Imaging findings are consistent with a phaeochromocytoma The cells affected in this condition are most likely to be found in which region?