Enamel is acid etched with which type of acid?

A 14-year-old had his front tooth knocked out while playing football. You should:

A) place the tooth in a glass of milk. B) place the tooth in iced tap water. C) have the patient hold the tooth under his tongue. D) wrap the tooth in a dry, sterile dressing.

The umbilicus is considered a contaminated area and should be cleaned first before the main incisional site

Indicate whether the statement is true or false.