Chapter 21a

Question 1

All forms of cancer share this one characteristics

Answer 1

Uncontrolled cell division

Question 2

An abnormal growth of cells that are either malignant of benign

Answer 2

Tumor or neoplasm

Question 3

Abnormal mass of tissue surrounded by a capsule of connective tissue

Answer 3

Benign tumor

Question 4

Invades surrounding tissue, spreads to multiple locations (metastasis)

Answer 4

Malignant tumor

Question 5

Used to describe the changes in shape, nuclei, and organization within tissues of precancerous cells

Answer 5

Dysplasia

Question 6

“Cancer in place” consisting of a million cells at its critical mass

Answer 6

Carcinoma in situ

Question 7

Cancer cell leave original tumor and enter either the cardiovascular or lymphatic systems and travel to distant sites

Answer 7

Metastasis

Question 8

Stimulate cell division, example ras

Answer 8

Proto-oncogenes

Question 9

Inhibit cell division, example p53

Answer 9

Tumor-suppressor genes

Question 10

Usually “glued” in place by cell adhesion molecules

Answer 10

Normal cells

Question 11

Secrete enzymes that break down CAMs, so they are able to break free and continue to divide and evade self-destruction

Answer 11

Cancer cells