What Is the Possible Sequence of Events Leading to Cancer

question 50

Multiple Choice

What is the possible sequence of events leading to cancer development?

• A)Loss of heterozygosity of an oncogene, benign tumor growth, malignant tumor growth
• B)Benign tumor growth, loss of heterozygosity of an oncogene, malignant tumor growth
• C)Loss of heterozygosity of a tumor suppressor, benign tumor growth, malignant tumor growth
• D)Loss of heterozygosity that converts oncogene into tumor suppressor, benign tumor growth, malignant tumor growth
• E)All of these scenarios are plausible.

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Definitions:

Pediculosis Capitis

A common parasitic infestation of the scalp caused by head lice, leading to itchiness and discomfort.

Itching

A sensation on the skin that causes the desire or reflex to scratch the affected area.

Lymphangitis

Inflammation of the lymphatic channels, typically resulting from a bacterial infection, and leading to red, painful streaks under the skin.

Cellulitis

A bacterial infection of the skin and tissues beneath the skin, leading to redness, pain, and swelling.