The interviewer asks this question to determine if you have additional skills to benefit your company if hired. Their care facility may have patients who speak foreign languages, and the interviewer wants to see if you speak any fluently to serve them better.

Mention any foreign languages you speak fluently. If you are not fluent in any other language, tell the interviewer about any classes you have taken and how you would rate your skills. For example, if you had two years of Spanish in high school and can speak a little conversational Spanish, explain that in your response. Be sure to let the interviewer know you are open to taking foreign language speaking classes to improve your skills, showing your dedication to the profession.