Question 66 of 196 mfa Exam
Which of the following devices provides the highest percentage of O2 delivery?
A Nasal cannula.
B Plastic face mask.
C Partial rebreathing mask.
D Non-rebreathing mask.
Correct
Answer & Explanation
The correct answer is Option D: Non-rebreathing mask..
This question is frequently asked in the DG Shipping exit exams for maritime courses. Practicing similar questions in the interactive simulator helps improve recall and exam success.