Leukocytes

Question 1

Where are WBCs produced?

Answer 1

red bone marrow

Question 1

What are white blood cells called?

Answer 1

leukocytes

Question 2

What’s the acronym for remembering leukocyte types?
(in order of most to least)

Answer 2

Never Let Monkeys Eat Bananas
neutrophils, lymphocytes, monocytes, eosinophils, basophils

Question 3

Which cells are granulocytes?

Answer 3

neutrophils, eosinophils, basophils

Question 4

Which cells are agranulocytes?

Answer 4

lymphocytes + monocytes

Question 5

neutrophils: appearance + functions

Answer 5

• granular, light purple, multi-lobed nucleus
• first to arrive at infection site, strong phagocytosis (cell eating)

Question 6

eosinophils: appearance + functions

Answer 6

• granular, deep red, bi-lobed nucleus
• show up during allergic reaction + parasitic worm infection

Question 7

basophils: appearance + function

Answer 7

• very large granules which sometimes obscure nucleus, deep blue
• release histamine (stimulates inflammation) + heparin (stops clotting)

Question 8

lymphocytes: appearance + function

Answer 8

• agranular, the smallest WBC, nucleus takes up almost whole cell
• two types:
  T cells: attack pathogens/
  tumor cells
  B cells: produce antibodies

Question 9

monocytes: appearance + function

Answer 9

• agranular, largest WBC, kidney shaped nucleus
• when they leave blood stream, they go into tissue and become macrophages (eat debris, old skin cells, bacteria)