Inside and behind nasal cavity
Once you get chickenpox, then only after a long period you will get it again. this is because your immune system knows how to respond to the pathogen the second time. so even though you get it, it won't as severe as the first time.
The EMT should obtain a manual blood pressure. This is necessary in order to confirm that the initial reading is not a mistake. The accuracy of the automatic BP cuff has to be checked by comparing it to the manual reading. Appropriate steps are to be taken by the EMT depending on the reading obtained in the manual reading.
I think the answer would be, The Pericardium.
