What is it called when multiple roles are performed by a CHO/Nurse in the Ward?

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E6 Principles and Practice of NURSING Management Leadership for BSc Nursing 3rd Edi Jogindra Vati — Subpart A (pp 26-339 of 1017) p. 158-160
E6 Nursing_Management_and_leadership_Johny_Kutty_JosephCbs_Publishers (pp 16-364 of 374) p. 33-35
Practise the full MP CHO-2020
Attempt every question from this paper in a timed mock, then review the full solution for each one.