Answer:
The most important action to include in the patient's preparation for a surgical procedure on the right great toe is:c. Ascertain that the surgical site has been correctly marked.
Step-by-step explanation:
Correctly marking the surgical site is a critical safety measure to ensure that the surgical procedure is performed on the correct body part. This step helps prevent wrong-site surgery, which is a serious medical error. Verifying the correct surgical site is a standard protocol in healthcare to enhance patient safety. While the other options (placing the patient in a clean surgical gown, removing hairpins and cosmetics, and determining family location) are important aspects of surgical preparation, confirming the correct surgical site is the highest priority to prevent errors.