This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Abnormalities of Development, Subject name: Pediatrics
Acquisition of milestones in a sequence that is different from the usual is called: 
Select and explain. 
A. Dence, B. Dissociation, C. Delay, D. Disability
A: Dence
Answer: A: Dence 
Explanation: Acquisition of milestones in a sequence that is different from the usual -Dence. Ex: Walking may come before crawling in cerebral palsy. Dissociation- Significant variations in attainment of milestones in different developmental domains. Delay is when child does not reach their developmental milestones at the expected time. Developmental disabilities are a group of conditions due to an impairment in physical, learning, language, or behavior areas.