Multiple choice Leukopenia is the condition when bone marrow is destroyed the total number of lymphocytes decreases from 2% to 0.5% the total number of leukocytes increases above 6,000 per cubic mm the total number of leukocytes decreases below 5000 per cubic mm Reveal answer Fill a bubble to check yourself D Correct answer Explanation Leukopenia is the condition when the total number of leukocytes decreases below 5000 per cubic mm. Leukopenia can be identified with a complete blood count..