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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Particle size which can easily go into the interior of lung and reache alveoli is:
assistant
The correct answer is  Ans: a (0.5-3 im) Ref: Park, 19th ed,p. 661Particle between 0.5-3 microns are the most dangerous because they reach the interior of the lungs with ease.