Final answer:
The first step in a high-frequency, dry scalp, indirect application treatment is to prepare the client and assess the scalp condition.
Step-by-step explanation:
The first step that would be taken if you were performing a high-frequency, dry scalp, indirect application treatment is to prepare the client for the treatment.
First, you need to explain the procedure to the client, addressing any concerns or questions they may have. Then, assess the client's scalp condition to determine the appropriate treatment.
Once the client is prepared and the scalp condition is assessed, you can proceed with the high-frequency, dry scalp, indirect application treatment.