Which of these statements concerning white blood cells is correct?
A) There are normally 50,000 to 100,000 leukocytes per cubic millimeter of blood.
B) Leukopenia can result from a tumor of the red marrow, or bacterial infection.
C) Leukemia is a type of cancer that results in abnormal production of one or more leukocyte types.
D) Leukocytosis is an abnormally low WBC count.
E) Leukopenia can result from a tumor of the red marrow, or bacterial infection and leukemia is a type of cancer that results in abnormal production of one or more leukocyte types are correct.

Question

Quizplus · Accepted Answer

Leukopenia can result from a tumor of the red marrow, or bacterial infection, and leukemia is a type of cancer that results in abnormal production of one or more leukocyte types. Option A is incorrect because the normal range of leukocytes in a cubic millimeter of blood is 4,500 to 11,000. Option B is partially correct, as leukopenia can result from a tumor or bacterial infection, but it can also result from other factors such as autoimmune diseases and drug treatments. Option D is incorrect as leukocytosis is an abnormally high WBC count. Option C is partially correct as leukemia is a type of cancer that results in abnormal production of white blood cells, but it is not specific to one or more leukocyte types as it can affect various types of white blood cells.

Which of These Statements Concerning White Blood Cells Is Correct