Which of the following statements about colorectal cancer is TRUE?
A) The only colorectal cancer screening test available is a colonoscopy.
B) During a colonoscopy, any malignant tumors found can be removed.
C) Mortality from colorectal cancer has been increasing in part because of increased rates of obesity.
D) Mortality from colorectal cancer has been declining in part because of increased screening.
Question 2
Which of the following cells are key to our immune function?
A) leukocytes B) erythrocytes C) macrocytes D) osteocytes