When are the biological response modifiers used to treat cancer?
A. When the immune system responds to cancerous cells
B. When the immune system fails to detect the cancerous cells
C. When the immune system is hyperactive
D. When the immune system destroys the cancerous cells
Answer:A
When are the biological response modifiers used to treat cancer?
A. When the immune system responds to cancerous cells B. When the immune system fails to detect the cancerous cells C. When the immune system is hyperactive D. When the immune system destroys the cancerous cells