Answer :
Final answer:
When replacing a colostomy appliance, a Patient Care Technician should cleanse the stoma and surrounding skin. Applying adhesive tape to the appliance, checking vital signs, and leaving the stoma uncovered are not necessary in this procedure.
Explanation:
The correct action for a Patient Care Technician (PCT) when replacing a colostomy appliance for a patient is to first cleanse the stoma and surrounding skin (option a). This action is crucial to prevent infection and ensure the overall health of the patient.
The other options listed do not relate directly to the process of changing the appliance. Applying adhesive tape to the appliance (option b) is not necessary, as modern colostomy bags are designed with their own adhesive ring or flange. Checking the patient's vital signs (option c) is always important in patient care, but it's not specifically related to changing a colostomy bag.
Lastly, it's not advisable to leave the stoma uncovered (option d) because this can lead to infection and other complications.
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