A patient telephones and tells you he has just knocked out his front tooth but that it is still intact. Your instructions should be to

place the tooth in milk and come to your office immediately.

place tooth under the tongue and come to your office immediately.

put the tooth in alcohol and come to your office immediately.

wrap the tooth in tissue and come to your office in a week's time.

put the tooth in water and come to your office at the end of the day.