How should the skin and electrodes be prepared for optimal conduction?

• A. Clean and dry skin, remove excess hair if needed, avoid lotions/oils, ensure good electrode contact, use conductive gel if required, and inspect skin integrity.
• B. Soak skin in water, apply lotion, ensure loose contact, and avoid gels.
• C. Use dry skin; rub with alcohol to remove oils.
• D. Use adhesive tape for contact.

Answer: (A)