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Neoplasia and Tumours Quiz

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Questions and Answers

What is a common cause of ulcer leading to squamous cell carcinoma?

High socioeconomic status

Infection with syphilis (correct)

Diet high in fruit and vegetables

Consumption of dairy products

What is a distinguishing feature of hairy leukoplakia?

Common in individuals with high immunity

Causes severe pain

Can be easily wiped away

Associated with EBV infection (correct)

What is the process of cancer spreading from the primary tumor to distant organs or lymph nodes called?

Angiogenesis

Proliferation

Invasion

Metastasis (correct)

What effect do tumors have on thrombosis?

Increase tendency to thrombosis (C) Signup and view all the answers

Which factor is NOT considered in determining the prognosis of a tumor?

Cell color (C) Signup and view all the answers

What differentiates well-differentiated tumors from poorly differentiated tumors?

Tissue of origin visibility (C) Signup and view all the answers

What is the primary focus of subjective observation for tumor prognosis?

Degree of cellular atypia (A) Signup and view all the answers

Which prognostic index is specifically used for colorectal cancer?

Dukes index (D) Signup and view all the answers

How does analyzing melanomas contribute to understanding tumor invasiveness?

By evaluating levels that measure invasiveness (A) Signup and view all the answers

What does radiology primarily help define in diagnosing tumors?

Size and extent of tumor (B) Signup and view all the answers