Why would women with hyperemesis gravidarum be at risk for Wernicke's encephalopathy, and what is the recommended treatment when starting dextrose-containing fluids?

• A. Due to poor intake and low thiamin; thiamin supplementation should be started with dextrose fluids
• B. Due to iron deficiency; iron supplementation should be started with dextrose fluids
• C. Dehydration; treat with saline only
• D. High glucose; treat with insulin therapy

Answer: (A)