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Understanding Tumor Classification

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Questions and Answers

Which is NOT a purpose of immunotherapy in cancer treatment?

Improving effector cell maturation/activation
Enhancing cancer cell growth (correct)
Stimulating the immune system
Reversing the tolerance provoked by cancer cells

Which of the following is an example of a tolerance-reversing approach in cancer therapy?

Immune suppressor cells (correct)
Engineered immunocytokines
Engineered cytotoxic T cells
Cancer vaccines

Which type of interferons have applications in anticancer therapy?

Type II interferons
Type III interferons
Interferon-β (IFN-β)
Interferon-α (IFN- α) (correct)

What was the year when interferon-α2a (IFN-α2a) and interferon-α2b (IFN-α2b) were approved for use in anticancer therapy?

1986 (D) Signup and view all the answers

What is the source of production for interferon-α drugs used in anticancer therapy?

Bacterial strains (Escherichia coli) (D) Signup and view all the answers

What is the main difference between benign and malignant tumors?

Benign tumors are usually well-differentiated, while malignant tumors typically invade surrounding tissues. (C) Signup and view all the answers

Which gene type has the potential to cause cancer?

Proto-oncogene (A) Signup and view all the answers

What happens when a tumor suppressor gene is mutated?

It results in the loss or reduction of its function and can lead to cancer. (D) Signup and view all the answers

What property is genetically determined among different clones within a tumor?

Ability to metastasize (A) Signup and view all the answers

Which process is often considered the most life-threatening in cancer?

Metastasis (D) Signup and view all the answers