Mr. johnson was in a skiing accident. he suffered traumatichead injuries when he came in contact with a tree. mr. johnson'scerebral cortex no longer registers electrical activity, but his brainstem remains active. mr. johnson

a. is brain dead.
b. is in the agonal phase of death.
c. has entered a persistent vegetative state.
d. is in the mortality phase of death.

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.