It depends on the person but a few weeks to about a month.
It is the last one I’m pretty sure
The Genotypes would have to be dominant too, but that means multiple options unless you can clarify more but the options would be: Cc, Cc or CC,CC or CC Cc.
Hey!
When you get there, and see she is still awake, an breathing, you simply need to use a bagged mask ventilation device.
Hope this helps!