What research question being assessed by the experimenters

The cardiovascular system, which transports blood through the body, is a one-way system. select the best answer from the choices provided. t f

Which one is not a part of the base of the cranial cavity? a. scala anterior b. scala media c. scala lateralis d. scala posterior

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