Quiz: Chronic Lymphocytic Leukemia (CLL)
Question 1 of 3  

Chronic lymphocytic leukemia (CLL) is a generally slow-growing blood disorder. In CLL, lymphocytes (small white blood cells found mostly in the lymph system) become cancerous. Gradually, these cancerous cells replace normal cells. More than three-quarters of people with CLL belong to one age group. Which of the following is that age group?

  • A.

    Infants and young children


  • B.



  • C.

    Adults ages 30 to 40


  • D.

    Adults ages 60 and older


Am I correct?