Quiz: Neoplasia — AUA MCQ

What does neoplasia refer to

A A) Inflammation of tissues B B) Formation of new, abnormal growths C C) Healing of wounds D D) Aging of cells

Which of the following is NOT a general characteristic of tumors

A A) Abnormal cell growth B B) Limited cell lifespan C C) Potential to metastasize D D) May be benign or malignant.

What defines a tumor (neoplasm)

A A) Controlled growth formed by limited cell multiplication B B) A self-controlling growth formed by unlimited multiplication of abnormal cells C C) Regeneration of normal cells D D) A temporary growth of cells

What is a key difference between neoplasia and hyperplasia

A A) Neoplasia has a useful function B B) Hyperplasia is characterized by unlimited growth C C) Neoplasia proceeds after removal of the stimulus D D) Hyperplasia results from abnormal cell shapes and patterns

Which is NOT a characteristic of benign tumors

A A) Usually capsulated B B) Fast rate of growth C C) Do not metastasize D D) Cells are well differentiated

What is a benign tumor

A A) A malignant growth that invades surrounding tissues B B) A non-cancerous growth that tends to grow slowly C C) A tumor always associated with significant morbidity D D) A tumor that always turns into a malignant form

Adenomas are benign tumors of which type of epithelium

A A) Glandular B B) Surface C C) Connective D D) Muscular

Fibroma is a benign tumor of what type of tissue

A A) Adipose tissue B B) Fibrous tissue C C) Muscular tissue D D) Nervous tissue

A lipoma is a benign tumor consisting of which type of cells

A A) Fibrous cells B B) Adipose fat cells C C) Muscle cells D D) Bone cells

Chondroma is a benign tumor of which tissue

A A) Muscle tissue B B) Adipose tissue C C) Cartilage D D) Nervous tissue

What is an osteoma

A A) A benign tumor of muscle tissue B B) A malignant tumor of bone tissue C C) A benign tumor of bone tissue D D) A cancerous growth in cartilage

How does neoplasia differ from hyperplasia

A a. Hyperplasia has unlimited growth, while neoplasia has limited growth B b. Neoplasia proceeds even after removal of the stimulus, whereas hyperplasia stops C c. Neoplasia is always malignant, while hyperplasia is benign D d. Hyperplasia is independent of a stimulus, unlike neoplasia

Which is not a characteristic of benign tumors

A a. Usually capsulated B b. Slow rate of growth C c. Can metastasize D d. Well-differentiated cells

What is a common feature of malignant tumors

A a. Slow growth rate B b. Well-formed stroma with few blood vessels C c. Loss of differentiation in cells D d. Always capsulated

Which feature most reliably differentiates malignant from benign tumors

A a. Rate of growth B b. Ability to metastasize C c. Presence of a capsule D d. Size of the tumor

What is the first step in the invasion of matrix by malignant tumor cells

A a. Release of hydrolotic enzymes B b. Formation of pseudopodia C c. Loss of cellular cohesion D d. Attachment to glycoprotein molecules

How do malignant tumors typically spread locally

A a. Through lymphatic routes B b. By infiltrating surrounding structures in all directions C c. Through blood vessels D d. By expansion without infiltration

Which of the following is a type of benign mesenchymal tumor

A a. Adenoma B b. Papilloma C c. Lipoma D d. Carcinoma

Which is a method for the laboratory diagnosis of tumor

A a. Ultrasound B b. Biopsy C c. Blood pressure measurement D d. Electrocardiogram (ECG)

What is a sarcoma

A a. Malignant tumor of epithelial tissues B b. Malignant tumor of mesenchymal tissues C c. Benign tumor of glandular epithelium D d. Benign tumor of connective tissues

Which of the following is not a type of sarcoma

A a. Fibrosarcoma B b. Liposarcoma C c. Osteosarcoma D d. Adenocarcinom

What characterizes locally malignant tumors

A a. They spread to distant organs B b. They have a rapid rate of growth C c. They spread only locally by direct infiltration D d. They are always benign

Which of the following is a malignant pigmented tumor

A a. Nevus B b. Melanoma C c. Lipoma D d. Fibroma

What is a teratoma

A a. A benign tumor of glandular epithelium B b. A composite tumor containing ectodermal, mesodermal, and endodermal tissues C c. A malignant tumor of mesenchymal tissues D d. A benign tumor of connective tissue

Which of the following is an example of an embryonic tumor

A a. Neuroblastoma B b. Liposarcoma C c. Fibrosarcoma D d. Adenocarcinoma

What is a hamartoma

A a. A common type of malignant tumor B b. A tumor-like mass due to developmental malformations C c. A type of cancerous growth D d. A benign tumor of connective tissue

What are carcinogens

A a. Agents that cure cancer B b. Agents that cause benign tumors C c. Agents that cause cancer D d. Agents that reduce tumor growth

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