This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S, Subject name: Medicine
Carcinoid syndrome produces valvular disease primarily of the - 
Select and explain. 
A. Venous valves, B. Tricuspid valve, C. Mitral valve, D. Aoic valve
B: Tricuspid valve
Answer: B: Tricuspid valve 
Explanation: Carcinoid hea disease, also known as Hedinger syndrome, is rare affecting at least 20% of patients with carcinoid syndrome. Cardiac involvement in carcinoid disease generally results in right-sided valvular lesions, accompanied by tricuspid insufficiency and pulmonary stenosis. Ref Davidson 23rd edition pg 560