What is the Essential Primary Action for an unconscious patient?

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E6 Nursing Brunner Adult Health 3SA Vol 2 Part 3 p. 115-117
E6 Comprehensive Textbook of Community Health Nursing for BSc Nursing Students Part 2 — Subpart A (pp 1-275 of 550) p. 180-182
Practise the full NHM UP Staff Nurse - 2019
Attempt every question from this paper in a timed mock, then review the full solution for each one.