MFA Exit Exam • Set 7 Question 14 of 30
When handling a knocked-out tooth you should:
✓
Direct Answer
Option B: Place the tooth in a cup of milk.
A knocked-out (avulsed) tooth is best preserved in milk, which provides a balanced pH and nutrient environment that helps keep the periodontal ligament cells alive. This significantly increases the success rate of reimplantation if performed promptly.
All Options
A
Place the tooth back in the patient's mouth.
B
Place the tooth in a cup of milk.
(Correct Answer)
C
Wrap the tooth in dry gauze.
D
Place the tooth in a mild acidic solution using vinegar.
Detailed Explanation & Context
A knocked-out (avulsed) tooth is best preserved in milk, which provides a balanced pH and nutrient environment that helps keep the periodontal ligament cells alive. This significantly increases the success rate of reimplantation if performed promptly.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Medical First Aid (MFA).
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