Between or among brain-imaging techniques to reveal structural abnormalities only, which provides the highest- quality images without radiation?
a. CT
b. Computerized Axial Tomography
c. MRI
d. PET
Question 2
The stimulant that is best known for the force and violence that users inflict on others is
a. cocaine.
b. nicotine.
c. caffeine.
d. methamphetamine.