Related Clues:

• Some aliens take it: Abbr.
• Course for new arrivals: abbr.
• It'll help you breathe
• ER action, perhaps
• Classes for the "huddled masses," perh.
• Course for new immigrants: abbr.
• Revival effort: Abbr.
• Lifesaving technique
• Newcomer's subj.
• Course for U.S. immigrants
• Class for EMTs
• Immigrant's ed. course
• Life support course subj.
• Subj. for green card holders, perhaps
• Alien's subj.