This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Social science, Mental health & Genetics, Subject name: Social & Preventive Medicine
IQ of a normal person is 
Select and explain. 
A. 70-79, B. 80-89, C. 90-109, D. 110-119
C: 90-109
Answer: C: 90-109 
Explanation: Idiot: 0-24Imbecile: 25-49Moron: 50-69Borderline: 70-79Low normal: 80-89Normal: 90-109Superior: 110-119Very superior 120-139Near genius 140 and over Park 23e pg: 679