Histo 1-50 Flashcards
(44 cards)
- Effector cell of humoral immunity is://
Active B cell differential plasma
- Platelets are small cytoplasmic fragments of bone marrow cells called://
magakaryoctes
- Live span of erythrocytes is://
120 Days
- What comes from a megakaryocyte://
Therombocytes /platelets
- Which leukocyte is the most abundant in a peripheral smear of blood://
Neutrophils
- Which of the following is a granulocyte://
e/b/n/acidophils
- Which leukocyte has a multi-lobed (3-5 lobes) nucleus://
neutrophil
- Which cell has large blue granules, often obscuring the nucleus://
Besophils
- Which leukocyte usually has a bi-lobed nucleus://
enosinophils
- What is another term for a platelet://
thrombocytes
- Which of the following formed elements do not contain a nucleus://
RBC/ Platelets
- Blood monocytes give rise to:
Tissue macrophages /osteoclasts/ langerhans
- At the laboratory experiment the leukocyte culture was mixed with staphylococci. Neutrophile leukocytes engulfed and digested bacterial cells. This processes are termed://
phagocytersis
- A differential cell count of a blood smear from a patient with a parasitic infection is likely to reveal an increase in the circulating numbers of which cell type://
eoinophils
- A 35-year-old woman’s physician orders laboratory blood tests. Her fresh blood is drawn and centrifuged in the presence of heparin as an anticoagulant to obtain a hematocrit. From top to bottom, the fractions resulting from centrifugation are which of the following://
Plasma ,buffer coat and erythrocytes
- Which leukocyte is the least abundant in a peripheral smear of blood://
neutrophils
- Which of the following is a granulocyte://
a/e/n/b/
- Which is the largest leukocyte://
monocyest
- Which of the following is described as a “biconcave disc”://
RBC
- Which leukocyte has orange-pink granules://
EOSINOPHILS
- Which leukocyte is the second most abundant in a peripheral smear of blood://
LYMPHOCYTES
- The circulating white blood cells which are fewest in number are the://
BASOPHILS
- Antigen-independent differentiation of T-lymphocytes takes place in://
THYMUS
- Large granular lymphocytes are://
T-CELL /NATURAL KILLER CELL