Valvular lesion in ankylosing spondylitis – MCQ

Which of the following valvular lesions is associated with ankylosing spondylitis?

a) Mitral stenosis
b) Mitral valve prolapse
c) Bicuspid aortic valve
d) Aortic regurgitation

Former Professor of Cardiology, Calicut Govt. Medical Kozhikode, Kerala, India. Editor-in-Chief, BMH Medical Journal