The nurse is planning a staff education program about informed consent. Which of the following information should the nurse include? Select all that apply.
1. "The main value of informed consent is for protection against lawsuits."
2. "Clients may withdraw consent after signing the informed consent form."
3. "Clients must sign the informed consent form before receiving preprocedural medication."
4. "Nurses witness the signing of the informed consent form to confirm that consent is voluntary."
5. "The signed consent form serves as evidence that the informed consent process has taken place."