PET Scans Differ from CT and MRI Scans in That

question 352

Multiple Choice

PET scans differ from CT and MRI scans in that PET scans:

• A)produce clearer images of brain structure.
• B)show which regions of the brain are active as a person performs certain tasks.
• C)do not involve exposing people to injections of radioactive substances.
• D)can better identify the presence of a brain tumor.

---

Definitions:

Young Adulthood

A stage of human development that occurs roughly between the ages of 20 and 40, characterized by the pursuit of independence, identity formation, and the establishment of intimate relationships.

Erikson

Erik Erikson, a developmental psychologist and psychoanalyst known for his theory on the psychosocial development of human beings.

Romantic Relationship

A close and often sexual relationship between two people who may or not be in love, characterized by emotional and physical intimacy.

Penis Envy

A concept in psychoanalytic theory referring to a girl's sense of loss and inferiority upon realizing she does not have a penis, leading to feelings of jealousy towards males.