Question

Which of the following measures blood flow directly by measuring the movement through the brain of radioactive water?

Group of answer choices

Functional magnetic resonance imaging (fMRI)

Position emission tomography (PET)

Answer 1

[AI-generated answer — Bot GPT 3.5]

Position emission tomography (PET) measures blood flow directly by using a radioisotope, such as radioactive water, to track the movement of blood through the brain.

Answer 2

[AI-generated answer — Step-by-Step Bot]

The measure of blood flow directly by measuring the movement through the brain of radioactive water is known as Position Emission Tomography (PET).