Author Question: Increased risk for colon and rectal cancers is thought to be linked to A) a history of ulcers. ... (Read 139 times)

nevelica · **on:** Jul 12, 2018

Increased risk for colon and rectal cancers is thought to be linked to

A) a history of ulcers.
B) high consumption of red and processed meats.
C) high consumption of fruits and vegetables.
D) too much calcium in the diet.

Question 2

Which of the following recognize and respond to attacks by a pathogen that has attacked in the past?

A) Memory cells
B) Macrophages
C) Helper cells
D) Suppressor cells