When dissolving medicines, accidently needle stick in the middle finger, what is the appropriate action?

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E6 Nursing Fundamentals Taylor p. 199-201
E6 Microbiology OneStop Sastry pp. 54-56, 55-57
Practise the full PGIMER NO - 2020
Attempt every question from this paper in a timed mock, then review the full solution for each one.