OCD recap

Which of the following is NOT true of OCD?

• The compulsions are repetitive

• The compulsions increase anxiety

• The compulsions reduce anxiety

• The compulsions often relate to counting and ordering

What percentage of those with OCD experience obsessive thoughts?

• 20%

• 45%

• 70%

• 90%

Which of the following statements is true for those with OCD?

• They do not recognise that their thoughts are irrational

• They experience auditory hallucinations

• They recognise their obsessions are irrational

• They experience waves of anger

In spite of this insight, those with OCD often experience​ (a)   thoughts about the worst case scenario

• catastrophic
• rational
• positive
• comical

Identify the orbitofrontal cortex and the caudate nucleus

Answer explanation

OFC and CN

Which are the two candidate genes for OCD?

• MAOA gene

• COMT gene

• HT65s gene

• SERT gene

Which is the correct definition of aetiologically heterogenous genes?

• The same genes cause OCD

• Some people's genes don't react to OCD

• One group of genes cause OCD in one person but a different group cause in another

• No genes are involved in OCD

Billett et al found that ​ (a)   twins were​ (b)   as likely to both have OCD than ​ (c)   twins

• twice
• MZ
• DZ
• a hundred times
• siblings

Which neurotransmitters have been implicated in OCD?

• Serotonin

• Noradrenaline

• Dopamine

• ACTH