This quiz is designed to test your knowledge of the Non-Rebreather Mask. Read each question fully and make sure you understand what the question is asking before you answer. Some questions are select all that apply, these will be marked by square check boxes. After answering all questions to the best of your ability, click the “Submit” button at the bottom of the page. Your score will be shown at the bottom of the page after submission. You may reset this quiz as many times as you would like.