Vignette #2 Sam Has Been Overweight Since the Eighth Grade

Vignette #2 Sam has been overweight since the eighth grade and is diagnosed with type 2 diabetes at his annual checkup. He tells his fiancée, Anna, who is now determined to learn as much as possible about this illness. Sam and Anna have found several reputable sites on the Internet in an attempt to help Sam reverse his condition. Let's ask several questions to see how much they have learned.
Anna is still confused about the difference between type 1 and type 2 diabetes. Which statement is characteristic of type 1 diabetes only?

A) It causes weight gain.
B) Treatment always involves insulin injections.
C) It is also called hyperglycemia.
D) It is typically associated with insulin resistance.
E) Its incidence is increasing in the U.S.