When experimenters have implanted tumor cells into rodents,those exposed to ________ were more prone to cancer.

Question

Quizplus · Accepted Answer

Inescapable shocks are a form of chronic stress that has been shown to weaken the immune system and make rodents more susceptible to the growth and spread of cancer cells. NK cells, T lymphocytes, and macrophages are all immune system cells that play a role in attacking and destroying cancer cells, so exposure to these cells would likely have the opposite effect and reduce the growth and spread of tumors. Therefore, C is the only logical choice.

When Experimenters Have Implanted Tumor Cells into Rodents,those Exposed to ________