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: Medicine
Laron syndrome is due to 
Select and explain. 
A. Growth hormone insensitivity, B. Growth hormone deficiency, C. Paradoxical growth hormone deficiency, D. Growth failure due to Cushing syndrome
A: Growth hormone insensitivity
Answer: A: Growth hormone insensitivity 
Explanation: Laron syndrome is due to growth hormone receptor insensitivity.
Growth hormone levels are normal.