The Immune System ____

Question

The immune system ____.
A) works by attacking anything recognized as foreign
B) plays no role in fighting cancer
C) often accelerates development of malignant cancers
D) works by turning off specific genes in an individual's DNA
E) is highly resistant to genetic modification

Accepted Answer

The immune system works by attacking anything that is recognized as foreign, including bacteria, viruses, and even transplanted organs. It plays a crucial role in fighting off infections and diseases.

Answer: B
 This statement is incorrect. The immune system does play a role in fighting cancer by recognizing and attacking cancerous cells.

Answer: C
 This statement is incorrect. While some cancers may develop due to mutations or errors in the immune system, the immune system generally works to prevent the development of cancer.

Answer: D
 This statement is incorrect. The immune system works by recognizing and attacking foreign or abnormal cells based on their specific proteins or markers, and does not turn off specific genes in an individual's DNA.

Answer: E
 This statement is incorrect. The immune system can be genetically modified, and there are ongoing research efforts to develop immunotherapies that harness the power of the immune system to fight off diseases like cancer.