What does "double match point" mean? (tennis)?

Adouble-blinded trial for a new indication is conducted under an ind comparing two (2) marketed drugs, at twice the approved prescribed doses. on day 2, subject 603 had difficulty breathing. although it was life-threatening initially, subject 603 was treated and discharged directly from the emergency department after complete recovery. on day 5, subject 20 had a headache, which led to hospitalization and required blood pressure lowering medications. these episodes cannot be explained on the basis of the pharmacological property of either drug or the subjects' medical histories. the investigator would submit an sae report for: a. neither of the subjects b. subject 603 only c. subject 20 only d. both of the subjects

What is one way in which an active listener can confirm understanding of a message?

Which statement best describes the role of religion and culture in ancient medicine? religion and culture did not influence the types or treatments used; however, they did play a role in who was allowed to practice medicine. religious beliefs guided physicians to perform certain procedures; however, culture did not play a role in the way physicians worked or who could become a physician or a healer. religious beliefs often guided the diagnosis and treatment of disease; the culture often determined who could practice medicine and what procedures were appropriate. culture was the primary factor that determined who could be a physician and what types of diagnosis and treatment were used; religion was not important during this time period.