Final answer:
Mr. Santiago may be feeling impressed upon first entering the office of his new physician.
Step-by-step explanation:
Based on the scenario, Mr. Santiago may be feeling impressed upon first entering the office of his new physician in his new town. The scenario describes a positive experience for Mr. Santiago, where he is greeted warmly, the office area is clean and tidy, and the staff is efficient, organized, and warm. Meeting Dr. Munoz, who shows empathy and listens to his concerns, also leaves a positive impression on him.