What Has Research on Managing Patient's Pain and Anxiety Over

Multiple Choice

What has research on managing patient's pain and anxiety over medical treatments shown regarding placebos?

A) Placebos are not useful in reducing pain and anxiety.
B) Placebos can be powerful when they take the form of a large pill or have a brand name.
C) Placebos in the form of injections are ineffective.
D) Placebos in the form of large pills with a brand name increase pain and anxiety.