Which statement best explains the relationship between diet and osteoporosis? a. cholesterol blocks calcium from reaching bone cells. a diet that is high in cholesterol can lead to osteoporosis. b. calcium and phosphorus build strong and flexible bones. a diet that lacks these nutrients can lead to osteoporosis. c. protein and iron build strong and flexible bones. a diet that lacks these nutrients can lead to osteoporosis.
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