Which of the Following is Descriptive of Leukocytes

Question

Which of the following is descriptive of leukocytes?
A) Fight infection
B) Include granulocytes and nongranulocytes
C) Include phagocytes
D) All of the above

Accepted Answer

Leukocytes, also known as white blood cells, are a part of the immune system and fight infection. They can be classified into granulocytes and nongranulocytes, and phagocytes are a type of nongranulocyte leukocyte that engulf and destroy microbes. Therefore, all of the statements in choices A, B, and C are descriptive of leukocytes.