According to the CDC, the most common sites for cancer of the digestive system are:
A) mouth and stomach.
B) esophagus and stomach.
C) colon and rectum.
D) small and large intestines.
Question 2
Instructional notes may appear:
A) at the beginning of a block or subchapter.
B) under a final code.
C) at the beginning of a subcategory.
D) all of the above.