Answer:
The nursing assistant should sit the patient down.
Explanation:
This entirely depends on where the patient is at.
If:
The patient is sat up on the bed, and is feeling dizzy and/or fainting, the patient should return to laying down on the bed.
The patient is standing, the patient should return to sitting position either on the bed or in a chair.
The patient is walking, the patient should be carefully, slowly, and supported into laying down on the ground.
All choices work, so it entirely depends on where the patient is starting to feel faint.
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