Question:medium


Which of the following is NOT included under Obsessive-compulsive and related disorders?

Show Hint

Conversion disorder belongs to a different family.
Updated On: Oct 1, 2026
  • Hoarding disorder
  • Conversion disorder
  • Trichotillomania
  • Excoriation disorder
Show Solution

The Correct Option is B

Solution and Explanation

Step 1: Idea: sort the four into their families
Place each disorder in its home family and see which one lives elsewhere.

Step 2: Hoarding disorder
Strong urge to keep things and trouble throwing them away. Family: obsessive-compulsive and related.

Step 3: Conversion disorder
A physical loss of function with no medical cause, linked to stress. Family: somatic symptom and related. This one is different.

Step 4: Trichotillomania
Repeated pulling out of hair. Family: obsessive-compulsive and related.

Step 5: Excoriation disorder
Repeated picking of skin. Family: obsessive-compulsive and related.

Step 6: Compare
Three belong to the same family. Only conversion disorder belongs to another family, so option (2) is the odd one.

Final Answer:
Option (2), conversion disorder, is not included. \[ \boxed{\text{Option (2)}} \]
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