An investigator is confronted with a life-threatening situation that necessitates using a test article in a human subject who is unable to provide informed consent and there is no time to obtain consent from the individual’s LAR and no alternative method or recognized therapy is available. Under the FDA regulations for using test articles, which of the following describes the best course of action for the investigator:

Which statement best illustrates that problem solving can create new medical devices? robert hooke was in charge of verifying the information that was sent to the royal academy. william harvey did experiments with apes to learn about the circulatory system. the stethoscope was invented because the physician did not want to put his head on women's chests to listen to their heart and lungs. anton van leeuwenhoek was a very curious man and looked at just about everything under this microscope.

Checklists and rating scales can be used to monitor children’s developmental progress and to diagnose developmental delays. true false

And the 1 points are for this 20 if i get all 3 of them correctly i will give you brainliest and if you only get all 3 i will give you brainliest including a and the rating will be 5 and if you get those i will give you 20 points