This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nutrition, Subject name: Medicine
What is the effect of beri beri on circulation ? 
Select and explain. 
A. Hyperdynamic circulation, B. Hypovolemic shock, C. Bradycardia, D. Pulsus paradoxus
A: Hyperdynamic circulation
Answer: A: Hyperdynamic circulation 
Explanation: high output congestive hea failure occurs in beri beri ( Harrison 17 pg 442)