The nurse is discussing the differences between fat-soluble and water-soluble vitamins with a group of student nurses. Which of the following should the nurse be sure to include in the discussion?

- Water-soluble vitamins can be toxic if ingested in megadoses.
- Water-soluble vitamins are absorbed directly into the bloodstream.
- Fat-soluble vitamins move freely through the plasma.
- Fat-soluble vitamins are excreted in the urine.