Final answer:
If blood becomes contaminated with bacteria, it can result in septicemia, a serious infection with dangerous complications. Hence, option B is correct.
Step-by-step explanation:
If blood becomes contaminated with bacteria, it can result in the condition known as septicemia (choice B). Septicemia is a serious infection caused by the presence and multiplication of bacteria in the bloodstream. This can lead to dangerous complications such as toxemia, sepsis, and septic shock. In severe cases, septicemia can be life-threatening.