blood films

Question 1

what are howell jewell bodies?

Answer 1

inclusions of nuclear chromatin remnants

Question 2

when would you see these?

Answer 2

if you had your spell removed. these cells with inclusions should normally be removed

Question 3

macro ovalocytes?

Answer 3

pernicious anaemia

Question 4

helmet cells/schistocytes?

Answer 4

MAHA, DIC

Question 5

rouleaux formation

Answer 5

increased serum proteins

Question 6

basophils?

Answer 6

multi-lobed nucleus (like PMN’s) and numerous coarse, dark blue granules in the cytoplasm, just like tissue mast cells

Question 7

eosinophils

Answer 7

bilobed nucleus and numerous bright red cytoplasmic granules

Question 8

monocyte

Answer 8

larger than a lymphocyte and has a folded nucleus. Monocytes can migrate out of the bloodstream and become tissue macrophages under the influence of cytokines.

Question 9

lymphocyte?

Answer 9

single large nucleus

Question 10

neutrophil

Answer 10

multiple nuclear lobes connected by thin chromatin bridges, along with cytoplasmic granules

Question 11

what size should a normal RBC be compared to a lymphocyte?

Answer 11

2/3