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Human Body & Health

Which effect results when thiamine pyrophosphate production is inhibited due to chronic alcohol abuse during beriberi?

A)Increased peripheral nerve conduction velocity
B)Enhanced glucose oxidation in neuronal tissue
C)Reduced cardiac output during vasodilation
D)Impaired pyruvate dehydrogenase enzyme activity

💡 Explanation

Beriberi results from thiamine deficiency. Because thiamine is a precursor to thiamine pyrophosphate, a coenzyme for pyruvate dehydrogenase, deficiency impairs this enzyme’s activity. Therefore, energy production is compromised, rather than peripheral nerve conduction improving or cardiac output decreasing from other causes.

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