1. positive ions are cations. 4. because electrolytes are charged they attract water. D. General commnets about minerals. Bioavailability varies greatly. Compounds in foods such as oxalates and phytates can bind several minerals.
Some trace minerals can be very toxic in excess.
Sodium A. Functions 1. Recommended to consume less than 6 grams. Avoidance of salt will lower blood pressure only in salt sensitive individuals. 2. most effective therapy for hypertension is weight loss D. Sodium in foods 1. 2. cereal, bread and other baked goods can be high in sodium due to sodium bicarbonate.