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: Anatomy
Microcephaly is seen in
Beckwith hypoglycaemic syndrome
Fanconi syndrome
Down syndrome
Achondroplasia 
Select and explain. 
A. I and iv, B. I and ii, C. ii and iii, D. ii and iv
B: I and ii
Answer: B: I and ii 
Explanation: A condition in which a baby's head is significantly smaller than expected, often due to abnormal brain development. Causes of microcephaly include infections, malnutrition or exposure to toxins.
Symptoms vary and include intellectual disability and speech delay. In severe cases, there may be seizures and abnormal muscle functionality.