BIO 169 Blood; Questions & Answers 100%
Correct
What is blood composed of? Correct answer-red blood cells, white blood cells, platelets,
plasma
Percentage of plasma in blood Correct answer-55%
percentage of red blood cells Correct answer-45%
percentage of white blood cells and platelets Cor...
BIO 169 Blood; Questions & Answers 100%
Correct
What is blood composed of? Correct answer-red blood cells, white blood cells, platelets,
plasma
Percentage of plasma in blood Correct answer-55%
percentage of red blood cells Correct answer-45%
percentage of white blood cells and platelets Correct answer-1%
average hematocrit Correct answer-45%
composition of plasma Correct answer-92% water
7% proteins
1% other solutes
Function of RBC Correct answer-transport oxygen and carbon dioxide
Function of WBC Correct answer-fight infection
function of platelets Correct answer-blood clotting
, BIO 169 Blood; Questions & Answers 100%
Correct
Composition of RBC Correct answer-Four heme groups
Globin
Four Iron ions
role of EPO Correct answer-initiates and stimulates the production of RBCs
what triggers RBC production? Correct answer-Erythropoietin --> which responds to low
O2 (relative hypoxia)
What is erythropoiesis? Correct answer-production of red blood cells
hemorrhagic anemia Correct answer-caused by blood loss
Chronic hemorrhagic anemia Correct answer-Slow, constant loss from ulcers or
hemorrhoids.
iron deficiency anemia Correct answer-anemia caused by inadequate iron intake
pernicious anemia Correct answer-lack of mature erythrocytes caused by inability to
absorb vitamin B12 into the bloodstream
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