white blood cells Flashcards
which leukocytes are granular ?
neutrophils, eosinophils, and basophils
which leukocyte is the most numerous ?
neutrophils
where are WBCs found ?
tissue fluid of lymphatic tissue, bone marrow, spleen, thymus and other organs
how many lobes do neutrophils have ?
3-5
which leukocyte indicates burns, bacterial infections, stress, or inflammation ?
neutrophils
how many lobes do eosinophils have ?
2 (bi-lobed)
what leukocytes help lessen allergic reactions ?
eosinophils
how many lobes do eosinophils have ?
2 (bi-lobed)
what color is the cytoplasm for eosinophils
pink
what color is the nucleus for basophils ?
blue
what does an increased number of basophils mean ?
leukemia, cancers, or hyperthyroidism
what do a decreased levels of basophils indicate ?
pregnancy, stress, or hypothyroidism
what does a leukocyte’s nucleus look like ?
large and spherical
what color is a lymphocyte’s cytoplasm ?
pale blue
what do T-lymphocytes do ?
attack virus infected cells and cancer cells
what do B-lymphocytes do ?
make antibodies
what can high lymphocyte count mean ?
viral infections, immune diseases, or some leukemias
what can low lymphocyte count indicate ?
prolonged severe illness, high steroid levels, or immunosuppression
what is the largest WBC ?
monoctyes
what does a monocyte’s nucleus look like ?
‘U’ shaped
what kind of WBC stimulates other WBCs and destroys bacteria and viruses in tissues ?
monocytes
what is a form of cancer characterized by uncontrolled production of abnormal WBCs which accumulate in the bone marrow, lymph nodes, spleen, and liver so that these organs are unable to function normally ?
leukemia
what is a form of cancer where T and/or B cels collect in the lymph nodes, splee, liver and other tissues ?
lymphoma
what is a decreased WBC count caused by certain viral diseases such as influenza, measles and mumps ?
leukopenia
