Tumor Biology Quiz

Which of the following is a hallmark of malignant tumors?

• Well-differentiated cells

• Slow growth

• Invasion and metastasis

• Encapsulation

The term "neoplasia" means:

• New growth

• Cell swelling

• Cell death

• Hyperplasia

Which tumor is derived from epithelial tissue?

• Lipoma

• Fibroma

• Adenoma

• Osteoma

Which of the following is a benign tumor of smooth muscle?

• Fibrosarcoma

• Liposarcoma

• Leiomyoma

• Rhabdomyosarcoma

Carcinoma arises from:

• Mesenchymal tissue

• Hematopoietic cells

• Epithelial cells

• Neural tissue

The ability of a tumor to spread to distant sites is called:

• Infiltration

• Encapsulation

• Metastasis

• Dysplasia

Which of the following is NOT a mode of tumor spread?

• Lymphatic

• Hematogenous

• Direct extension

• Neuronal

The most common route of spread for carcinomas is:

• Hematogenous

• Lymphatic

• Transcoelomic

• Perineural

Dysplasia refers to:

• Normal tissue architecture

• Reversible changes in cells

• Disordered growth of cells

• Complete malignancy

Which of the following is a tumor suppressor gene?

• RAS

• MYC

• p53

• BCR-ABL