This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
Deficiency of growth hormone leads to –a) Delayed fusion of epiphysisb) Proportionate dwarfismc) Acromegaly d)  Mental retardation 
Select and explain. 
A. ac, B. a, C. ab, D. bc
C: ab
Answer: C: ab 
Explanation: Delayed closure of the epiphysis permits growth beyond the normal age when growth should be complete.
There is proportionate shortening.