In Positron Emission Tomography (PET), What Type of Molecules Are

question 9

Multiple Choice

In positron emission tomography (PET) , what type of molecules are introduced into the blood supply and carried to the brain?

• A)Radioactive molecules
• B)Negatively-charged molecules
• C)Positively-charged molecules
• D)Non-charged molecules

---

Definitions:

Joseph Wolpe

A psychiatrist known for developing systematic desensitization, a process used to reduce phobias and anxieties.

Exposure Therapies

A set of therapeutic techniques used to treat fears and phobias by gradually exposing patients to the feared object or context without any danger, in order to overcome their anxiety.

Aversive Conditioning

A form of behavior modification that involves using unpleasant stimuli to discourage undesirable behaviors.

Systematic Desensitization

A behavioral therapy technique aimed at reducing fear or anxiety responses, through gradual exposure to the feared object or situation.