Tonsils are special collections of lymphoid tissue, are protective structures and are located primarily at the entrances of the respiratory and digestive system
Direct Answer
Option A: true
Tonsils form part of the Waldeyer's ring, serving as immunological filters positioned strategically at the pharyngeal openings of the respiratory and digestive tracts to trap airborne and ingested pathogens, adhering to standard anatomical texts referenced in STCW medical competencies.
All Options
Detailed Explanation & Context
Tonsils form part of the Waldeyer's ring, serving as immunological filters positioned strategically at the pharyngeal openings of the respiratory and digestive tracts to trap airborne and ingested pathogens, adhering to standard anatomical texts referenced in STCW medical competencies.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Refresher Elementary First Aid (REFA).
Practice Full REFA Set 1
Test yourself with 30 interactive questions, live timer, and instant score.