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a&p chap11 prac quiz
Question | Answer |
---|---|
___________ for approximately 60% of the plasma proteins and are active in maintaining pH and osmotic concentration gradients. | Albumin |
Approximately __________ red blood cells are produced per second in a normal individual. | 2 million |
Worn-out red blood cells are removed from circulation by the _________ and ___________. | liver; spleen |
The cells from which white blood cells are derived are called | hemocytoblasts |
The nutrient(s) required for the production of hemoglobin include | iron, folic acid, and vitamin B12 |
Within plasma, the transport of non-protein nitrogen substances is important for the | removal of waste products |
A large majority of the proteins found in plasma are produced by the __________. | liver |
Polycythemia is a condition characterized by the excessive production of _________. | erythrocytes |
The ion required for coagulation is | Ca2+ |
The normal level for hematocrit in females is | 38-47% |
In a given volume of blood, about ________% is plasma and ________% is formed elements. | 55; 45 |
Mature ________ are the most abundant of the formed elements. | erythrocytes |
A decrease in blood oxygen increases the release of ________ from kidneys and liver, and it stimulates the production of ________ by red bone marrow. | erythropoietin; leukocytes |
The hemoglobin within erythrocytes plays a major role in the transport of ________ by the blood. | oxygen |
________ are the blood cells that help provide a defense against disease organisms. | Leukocytes |
Antibodies that attack pathogens are produced by | B lymphocytes |
_________ that migrate into tissues become mast cells, which release _________ in allergic reactions. | Basophils; histamine |
________ are leukocytes that migrate into tissues and become macrophages. | Monocytes |
________ are leukocytes that neutralize histamine and destroy parasitic worms. | Basophils |
________ form a temporary plug to stop bleeding in a broken blood vessel. | Platelets |
The enzyme ________ converts fibrinogen into strands of ________, which form a blood clot. | Thrombin; fibrin |
A person with blood type AB possesses ________ on the plasma membrane of his/her erythrocytes. | antigens A and B |
In a blood transfusion, one must consider the ________ of the donor and the _______ of the recipient. | antigens; antibodies |
A woman with Rh- blood does not have anti-Rh antibodies in her blood unless | Rh+ erythrocytes have previously been introduced into her blood. |
The preferred blood type for transfusing to a person with blood type A Rh- is ________, but when it is unavailable, blood type(s) _________ may be used. | A Rh-; ORh- |