Answer: True
Explanation: An emergency is a situation that can cause health impairment or lost of life, if not attended to immediately. It requires fast attention so as to suppress the situation from getting worse.
Lack of consciousness, chest pain and chemical burn are among the important symptoms that's need immediate medical attention when recognized.
The best approach when these situation occurs is to remain calm, ensure you are in a safe place, keep the victim in a ventilated place and call the designated authority to inform them of the emergency.