In Which Condition Is the Langerhans Cell Not the Proliferating

question 64

Multiple Choice

In which condition is the Langerhans cell not the proliferating cell?

• A) Lichen planus
• B) Letterer-Siwe disease
• C) Hand-Schüller-Christian disease
• D) Eosinophilic granuloma

---

Definitions:

Centration

A cognitive limitation in early childhood, where a child can only focus on one aspect of a situation at a time.

Conservation

In cognitive development, the understanding that certain properties of objects or substances remain the same even when their appearance changes.

Object Permanence

The realization that objects (including people) still exist when they can no longer be seen, touched, or heard.

Egocentrism

A cognitive characteristic where an individual has difficulty in understanding that other people have their own perspectives and feelings.