QUIZ 13 (Blood)
The life span of an erythrocyte is about _________ days.
120
Plasma makes up about ______ percent of a centrifuged sample of whole blood?
55%
Which leukocytes are granulocytes? a: Neutrophils b: Eosinophils c: Lymphocytes d: Monocytes e: Basophils f: Erythrocytes
a, b, e
The smallest and most abundant plasma proteins are the
albumins
Which are characteristic of leukocytes? a: Smaller than erythrocytes b: Have a nucleus c: Have no hemoglobin d: More numerous than erythrocytes e: Depending on type, may or may not contain granules
b, c, e
The leukocyte that releases histamine is the
basophils
Usually the least numerous of the leukocytes are the
basophils
The difference in concentration of various constituents in the plasma and interstitial fluid ensures that the constituents will
be able to diffuse through the capillary wall
One of the functions of blood is to regulate fluid levels in the body. If too much fluid escapes from the bloodstream and enters the tissues, blood pressure will
decrease
The process of producing the formed elements of blood is called
hemopoiesis
The reason it is more appropriate to call an erythrocyte a "formed element" rather than a "cell" is that erythrocytes
lack a nucleus and organelles
Old erythrocytes are phagocytized in the
liver&spleen
T-cells are a category of
lymphocytes
The leukocyte that will migrate in the blood and take up residence in the tissues as macrophages is the
monocytes
The leukocyte that is very active during a bacterial infection is the
neutrophils
Usually the most numerous of the leukocytes are the
neutrophils
Which term best describes the function of blood when considering the presence of leukocytes and antibodies?
protection
Why is the name "thrombocyte" inappropriate for platelets?
they have no nucleus
Blood is correctly classified as a(n)
tissue
Which term best describes the function of blood when considering the presence of carbon dioxide and endocrine hormones?
transportation
