how is it possible that norepinephrine can cause vasoconstriction in one location but vasodilation in another?

Gwould be the correct answer

This gel or liquid can be placed under the tongue of an unconscious person. this is important because you should never pour anything down the throat of an unconscious person-- s/he could choke.

The good old common cold

Iwould assume the city level, as it goes city, then state, then national level.