15.5 Obsessive-Compulsive and Related Disorders

Front

What is a common characteristic of obsessive-compulsive disorder (OCD)?

Back

Intrusive and unwanted thoughts

Front

Which of the following is NOT a common obsession in OCD?
Need for order and symmetry,
Desire for social interaction,
Doubts about safety,
Concerns about germs

Back

Desire for social interaction

Front

What is a typical compulsion for someone with OCD?

Back

Repetitive hand washing

Front

Body dysmorphic disorder involves:

Back

Preoccupation with a perceived physical flaw

Front

Hoarding disorder is characterized by: Compulsive shopping, Inability to discard possessions, Excessive exercise, Fear of open spaces

Back

Inability to discard possessions

Front

Which brain region is believed to play a critical role in OCD? Options: Hippocampus, Amygdala, Cerebellum, Orbitofrontal cortex

Back

Orbitofrontal cortex

Front

What neurotransmitter is NOT mentioned as being involved in OCD? Serotonin, Dopamine, Glutamate

Back

Acetylcholine

Front

What is the estimated lifetime prevalence of OCD in the U.S. population?

Back

2.3%