Tumors and Cancer

Which of the following is a true statement?

• Benign tumors have cells that have broken away from the main tumor.

• Malignant tumors have cells that have broken away from the main tumor.

• Malignant tumors consist of cells that have stayed together.

• Benign tumors spread through the blood and lymph to other organs

What is cancer?

• A group of diseases characterized by no cell growth

• A group of diseases caused by the failure of chromosomes to separate

• A group of diseases characterized by uncontrolled cell division

• A group of diseases caused by excessive replication of chromosomes

Which phrase best describes cancer?

• absence of cyclins

• multiple gene mutations

• uncontrolled cell growth

• presence of genetic defects

Cell division is _________ in cancer.

• uncontrolled

• controlled

• relaxed

• not relaxed

Benign tumors remain clustered and can be ________.

• cleaned

• cared

• changed

• removed

Any cancer of epithelial origin

The spreading of cancerous cells is called

• metastasis
• carcinogenesis
• angiogenesis
• homeostasis

Cancer promoting substances are called:

• Tumors

• Carcinogens

• Cyclins

• Malignant

Non-cancerous tumors are called _____. Cancerous tumors are called _____.

• metastatic ; malignant
• malignant ; benign
• benign ; malignant
• benign ; metastatic

Tumor suppressor genes like p53 help to

• accelerate the cell cycle

• Increase the spread of cancer cells

• Kill cancerous cells by apoptosis

• add more cells to a malignant tumor