Knowledge Check Solutions
1) Malignant tumor - This is the correct answer.
A malignant tumor that has the ability to metastasize or invade into surrounding tissues. It is the same as cancer.
2) Lifestyle factors - This is the correct answer.
Lifestyle (including diet, tobacco use, reproductive and sexual behavior, and alcohol consumption) is considered to cause about 75% of all cancers.
3) Initiation stage - This is the correct answer.
The initiation phase consists of the alteration of the DNA (mutation) of a normal cell, which is irreversible change.
4) Tumor suppressor gene - This is the correct answer.
Tumor suppressor genes, sometimes referred to as anti-oncogenes, are present in normal cells and serve as a balance to the genes for expression or proto-oncogenes.
1) Malignant tumor - This is the correct answer.
A malignant tumor that has the ability to metastasize or invade into surrounding tissues. It is the same as cancer.
2) Lifestyle factors - This is the correct answer.
Lifestyle (including diet, tobacco use, reproductive and sexual behavior, and alcohol consumption) is considered to cause about 75% of all cancers.
3) Initiation stage - This is the correct answer.
The initiation phase consists of the alteration of the DNA (mutation) of a normal cell, which is irreversible change.
4) Tumor suppressor gene - This is the correct answer.
Tumor suppressor genes, sometimes referred to as anti-oncogenes, are present in normal cells and serve as a balance to the genes for expression or proto-oncogenes.