Question

None of the data in Mr. Singh's history predisposed him to developing lymphoma. Which of the following factors could increase a person's risk for lymphoma?

A. Exposure to ionizing radiation.
B. Regular exercise and a healthy diet.
C. High levels of vitamin D.
D. Frequent handwashing.

Answer 1

Exposure to ionizing radiation, weakened immune system, and exposure to toxic substances are factors that can increase a person's risk for lymphoma.

Step-by-step explanation:

Factors that could increase a person's risk for lymphoma include:

• Exposure to ionizing radiation, such as radon gas.
• Having a weakened immune system.
• Being exposed to other forms of radiation or certain toxic substances.

Examples of toxic substances that increase the risk of lymphoma include arsenic.