Blood (Connect)
The life span of an erythrocyte is about _____ days. -10 -30 -60 -120 -360
120 days
Plasma makes up about ______ precent of a centrifuged sample of whole blood -25 -35 -45 -55 -75
55%
Which leukocytes are granulocytes? A: neutrophils B: eosinophils C: lymphocytes D: monocytes E: basophils F: erythrocytes -a, b, c -b, d, e -a, b, e, f -c, d -a, b, e
a, b, e
The smaller and most abundant plasma proteins are the _____ -globulins -endocrine hormones -albumins -fibrinogens -prothrombins
albumins
Which are characteristics of leukocytes? A: smaller than erythrocytes B: have a nucleus C: have no hemoglobin D: more numerous than erythrocytes E: depending on type, mau or may not contain granules -a, b, c, d -b, c, e -b, c, d, e -a, b, c, d, e
b, c, e
The leukocyte that releases histamine is the _____ -eosinophil -basophil -lymphocyte -neutrophil -monocyte
basophil
Usually the least numbers of the leukocytes are the _____ -eosinophils -basophils -monocytes -lymphocytes -neutrophils
basophils
The difference in concentration of various constituents in the plasma and interstitial fluid ensures that the constituents will ____ -be able to chemically react at the appropriate place -be able to diffuse through the capillary wall -remain in their respective locations -require an active transport mechanism to move -none of these answers are correct
be able to diffuse through the capillary wall
One of the functions of blood is the regulate fluid levels in the body. If too much fluid escapes from the bloodstream and enters the tissues, blood pressure will ____ -increase -decrease
decrease
The process of producing the formed elements of blood is called ______ -leukopenia -hemopoiesis -leukocytosis -erythroblastosis -agglutination
hemopoiesis
The reason it is more appropriate to call an erythrocyte a "formed element" rather than a "cell" is that erythrocytes _____ -are actually dead -lack a nucleus and organelles -have lots of inclusion molecules -are not red -can form a rouleau when moving through a capillary
lack a nucleus and organelles
Old erythrocytes are phagocytize in the ______ -liver -spleen -lung -liver and spleen -spleen and lung
liver and spleen
T-cells are a category of ____ -eosinophils -basophils -lymphocytes -neutrophils -monocytes
lymphocytes
The leukocyte that will migrate in the blood and take up residence in the tissues as macrophages is the _____ -eosinophil -basophil -monocyte -lymphocyte -neutrophil
monocyte
The leukocyte that is very active during a bacterial infection is the ____ -eosinophil -basophil -lymphocyte -neutrophil -monocyte
neutrophil
Usually the most numerous of the leukocytes are the _____ -eosinophils -basophils -lymphocytes -neurtophils -monocytes
neutrophils
Which term best describes the functions of blood when considering the presences of leukocytes and antibodies? -regulation -prevention -protection -transportation
protection
Why is the name "thrombocyte" inappropriate for platelets? -they are not very numerous -the have multiple nuclei -their plasma membrane is irregularly shaped -they are smaller than erythrocytes -they have no nucleus
they have no nucleus
Blood is correctly classified as a(n) ______ -organ -tissue -organ system -intracellular fluid -more than one of these choices is correct
tissue
Which term best describes the function of blood when considering the presence of carbon dioxide and endocrine hormones? -regulation -protection -prevention -transportation
transportation
