Which of the following is a valid conclusion on the part of a nurse who researched alternative and conventional medical systems? 1. Alternative medical systems are insensitive to cultural traditions....

Which of the following is a valid conclusion on the part of a nurse who researched alternative and conventional medical systems?

1. Alternative medical systems are insensitive to cultural traditions.

2. Alternative medical systems are not regulated by governmental standards.

3. Conventional medical systems focus on maintenance of a healthy state.

4. Conventional medical systems rely primarily on herbal supplements.