Given below is a table comparing the effects of sympathetic and parasympathetic nervous system for four feature (a-d). Which one feature is correctly described?

Which of the following target tissues is innervated by only neurons from the sympathetic nervous system?
1. adrenal medulla
2. lacrimal glands
3. bronchioles
4. iris of the eye

A person entering an empty room suddenly finds a snake right in front on opening the door. Which one of the following is likely to happen in his neurohormonal control system?