main function
phagocytosis
NL of eosinophils and basophils in normal peripheral blood
Eos = 0-5%, baso = 0-1%
What cell do they differentiate into in the tissues?
macrophages
name a primary lymphoid organ
bone marrow or thymus
Platelets are bits of cytoplasm from which cell?
megakaryocyte
life span - days, weeks, or years?
days (approx 5)
Which has large blue-purple secondary granules?
basophil
Which live longer, mono or macro?
macrophages
Which type of lymph matures in the thymus?
T cell
Normal platelet count
150,000 - 450,000
% found in marginal and circulating pools
50% in each
Which has diurnal variation in the cell count?
eosinophil
the name of macrophages found in bone
osteoclasts
Which lymph is the most mature stage of a B cell and secretes immunoglobulins (antibodies)?
plasma cell
term for high platelet count
thrombocytosis
a cause of neutrophilia
infection, exercise, medication
Which has major basic protein (MBP) as a granule component?
eosinophil
term for engulfing dead or dying cells
necrophagocytosis
a cause of an increased lymph count
viral infection, chronic bacterial infection, autoimmune disorder, or multiple myeloma
Platelet granules are found in which platelet structural zone?
organelle zone
developmental stages included in mitotic pool
stem cell, myeloblast, promyelocyte, myelocyte
Which has granule contents that can cause anaphylactic shock?
basophil
name of lymphocyte activating factor (cytokine) they secrete
interleukin-1 (IL-1)
cytotoxic T cell
Which stage of hemostasis involves the formation of a platelet plug?
primary hemostasis