What does 'Authority' mean?

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E6 Nursing_Management_and_leadership_Johny_Kutty_JosephCbs_Publishers (pp 16-364 of 374) pp. 63-65, 162-164
E6 Textbook of Nursing Management and Leadership I. Clemen — Subpart B (pp 328-654 of 982) p. 176-178
Practise the full JSSH Staff Nurse - 2019
Attempt every question from this paper in a timed mock, then review the full solution for each one.