Understanding Cancer and Its Risk Factors

What is the primary characteristic of cancer cells?

• They are always benign and harmless.

• They grow and divide in a controlled manner.

• They remain localized and do not spread.

• They grow uncontrollably and can spread to other parts of the body.

Which type of tumor is considered cancerous?

• Both benign and malignant tumors

• Malignant tumor

• Benign tumor

• Neither benign nor malignant tumors

How do malignant tumors differ from benign tumors?

• Malignant tumors are contained within a membrane.

• Benign tumors can spread to other parts of the body.

• Malignant tumors can invade other tissues and form secondary tumors.

• Benign tumors are more dangerous than malignant tumors.

Which lifestyle factor is NOT linked to an increased risk of cancer?

• Smoking

• Alcohol consumption

• Obesity

• Regular exercise

What genetic factor is associated with a higher risk of breast and ovarian cancer?

• BRCA or BA genes

• UV radiation exposure

• High cholesterol levels

• Lack of physical activity