The action by the nurse which is correct in a transmission-based precaution is touching the inside of the gown and pulling it away from the torso.
These are series of things or techniques done to prevent something dangerous or unpleasant from happening.
In the case of a possibility of transmission in healthcare, it is best to touch the inside of the gown and pull it away from the torso as this prevent contact with the outer part which is susceptible to presence of pathogens.
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