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Neoplasia Lecture 15 Quiz

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Questions and Answers

What does anaplasia refer to in the context of tumor cells?

Complete loss of differentiation (correct)

Rapid growth rate

Gradual loss of differentiation

Resemblance to the cell of origin

Which factor usually correlates with the level of differentiation in tumors?

Loss of differentiation

Hormone dependence

Morphological features

Rate of growth (correct)

What is dysplasia in the context of tumor development?

Resemblance to the cell of origin

Gradual loss of differentiation

Complete loss of differentiation

Abnormal growth preceding malignancy (correct)

In which type of tumors may rapid growth be observed?

Some benign tumors Signup and view all the answers

What is one characteristic feature used to differentiate benign from malignant tumors?

"Metastasis" Signup and view all the answers

What are the different points related to neoplasia that are explained in the text?

Explanation of neoplasia definition, aetiology, classifications to benign and malignant epithelial and connective tissue tumors, clinical effects, and diagnostic modalities. Signup and view all the answers

Explain the differentiation and anaplasia in the context of tumor cells.

Differentiation refers to the degree of resemblance of the tumor cell to its cell of origin, while anaplasia indicates complete loss of differentiation, representing abnormal growth preceding malignancy. Signup and view all the answers

What is meant by the rate of growth in tumors and how does it correlate with level of differentiation?

The rate of growth usually correlates with the level of differentiation, and it may be rapid in some benign tumors, while some malignant tumors may outgrow their blood supply. Signup and view all the answers

What are the characteristics used to differentiate benign from malignant tumors?

Differentiation and anaplasia, rate of growth, and clinical effects are some characteristics used to differentiate benign from malignant tumors. Signup and view all the answers

What are the pathways of spread of tumors, specifically referring to metastasis?

The pathways of spread of tumors (metastasis) are very important and involve the dissemination of tumor cells through blood vessels, lymphatics, or direct seeding within body cavities. Signup and view all the answers