Which of the following is NOT true about vitamins? They are organic.
There are 4 fat-soluble vitamins.
There are 13 vitamins.
They are nonessential nutrients.

1. which of the following is not required for research to qualify under the exception for informed consent? a. a life-threatening medical condition for which current treatments are unsatisfactory b. patient consent to the research c. minimal risks given the patient's life-threatening circumstances d. anticipated direct benefit to subjects