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: Pharmacology
Which of the following cranial nerves does not carry parasympathetic outflow ? 
Select and explain. 
A. Oculomotor, B. Trochlear, C. Facial, D. Glossopharyngeal
B: Trochlear
Answer: B: Trochlear 
Explanation: - Parasympathetic cranial nerves

3, 7, 9, 10

- Parasympathetic Sacral nerves

S2, S3, S4