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Ch.11/MED126

Blood-Practice Test

QuestionAnswer
Blood plasma makes up approximately what percentage of total blood? 52%-62%
The respiratory gas that is transported mainly in blood plasma is? Carbon dioxide
Blood plasma is able to transport waste products because water is a? Solvent
The plasma protein that pulls tissue fluid into capillaries is? Albumen
The albumen in blood plasma is produced by the? Liver
Albumen is important to maintain normal? Blood volume; blood pressure
Plasma proteins called alpha and beta globulins are produced by the? Liver
Plasma proteins called alpha nd beta globulins function as? Carrier molecules
The gamma globulins in blood plasma are? Antibodies
Gamma globulins in blood plasma are produced by cells called? Lymphocytes
The precursor cell for all of the kinds of blood cells is the? Stem cell
The primary hemopoietic tissue is? Red bone marrow
All the kinds of blood cells are produced in? Red bone barrow
All the kinds of blood cells are produced in red bone marrow which is found in? Flat bones; irregular bones
Lymphatic tissue is found in the? Spleen;lymph nodes
Lymphatic tissue is found in the spleen and produces some? Lymphocytes
A count of 5.2 million cells per microliter of blood is within the normal range for? RBCs
A count of 8600 cells per microliter of blood is within the normal range for? WBCs
A count of 275,000 cells per microliter of blood is within the normal range for? Platelets
The part of a CBC that measures the % of RBCs in a sample of blood is the? Hematocrit
The normal hematocrit has a percentage range of? 37% to 48%
The hemoglobin value in a CBC has a normal range of ___ to ___ grams/100 mL of blood? 12 to 18
A value of 15 grams/100 mL of blood would be normal for the __________ value in a CBC? Hemoglobin
The function of RBCs is to? Carry oxygen
Within RBCs, the essential mineral is? Iron
Within RBCs, the essential mineral is iron because it is part of? Hemoglobin
What hormone is produced by the kidneys to stimulate a faster rate than normal of RBC production? Erythropoietin
The stimulus for the secretion of erythropoietin is? Hypoxia
The stimulus for the secretion of erythropoietin is hypoxia, and its function is to? Increase the rate of RBC production
In RBC development, the last immature stage is called a? Reticulocyte
In RBC formation, iron and protein are necessary nutrients because they become part of? Hemoglobin
Vitamin B12 is necessary for RBC formation of the synthesis ___ in the ____ cells? DNA, stem
In RBC formation, the intrinsic factor is produced by the? Stomach lining
In RBC formation, the intrinsic factor is produced by the stomach lining, and its function is to? Prevent digestion of vitamin B12
The life span of RBCs is approximately? 120 days
Old RBCs are phogocytized by cells called? Macrophages
Old RBCs are phagocytized by cells called macrophages, which are located in the? Liver, spleen, and red bone marrow
When old RBCs are destroyed, their iron may be returned to the _____________ for the synthesis of __________? Red bone marrow, hemoglobin
When old RBCs are destroyed, their iron may be stored in the? Liver
When old RBCs are destroyed, the globin portion can be recycled for the __________ it is made of? Amino acids
When old RBCs are destroyed, the heme portion is converted to ________ by the __________? Bilirubin, liver; splee; red bone marrow
Bilirubin is made from the _____ of old RBCs, and is excreted by the ______ into ______? Heme, liver, bile
The ABO blood types are named for the? Antigens
The ABO blood types are named for the antigens that are found on a person's? Red blood cells
The Rh blood group has two major types; these are? Positive and negative
A type A person has ________ on the RBCs? Antigens
A type A person has ________ in the plasma? Anti-B antibodies
A type O person has _________ on the RBCs? Neither A nor B antigens
A type O person has _________ in the plasma? Both anti-A and anti-B antibodies
A type AB person has _________ on the RBCs? Both A and B antigens
A type AB person has _________ in the plasma? Neither anti-A nor anti-B antibodies
As a consequence of a mismatched blood transfusion, there will be ________ of the donated RBCs? Hemolysis
As a consequence of a mismatched blood transfusion, the most serious damage occurs in the? Kidneys
As a consequence of a mismatched blood transfusion, the most serious damage occurs in the kidneys because of the circulating? Free hemoglobin
Rh antibodies are formed only when an Rh ______ person is exposed the Rh _______ blood? Negative, positive
The kinds of WBCs that phagocytize pathogens are? Neutrophils and monocytes
The kind of WBC that produces antibodies is the? Lymphocyte
The kind of WBC that releases histamine during inflammation is the? Basophil
The kind of WBC that detoxifies foreign proteins is the? Eosinophil
The kind of WBC that differentiates into a macrophage is the? Monocyte
The kind of WBC that recognizes foreign antigens is the? Lymphocyte
The laboratory test that measures the percent of each kind of WBC is called a? Differential
The most numerous WBCs are the? Neutrophils
The least numerous WBCs are the? Basophils
The second most numerous WBCs are the? Lymphocytes
What term means prevention of blood loss? Hemostasis
When capillaries rupture, blood loss is prevented by? Platelet plugs
For breaks in large arteries, blood loss may be stopped only if _________ occurs first? Vascular spasm
When a large artery is cut, the smooth muscle tissue in its wall with will? Contract and make the break smaller
In the process of chemical clotting, the result of the first stage is? Prothrombin activator; prothrombinase
In the process of chemical clotting, the result of the second stage is? Thrombin
In the process of chemical clotting, the result of the third stage is? Fibrin
In the process of chemical clotting, the clot itself is made of? Fibrin
Clotting factors such as fibrinogen are synthesized by the? Liver
The mineral necessary for chemical clotting is? Calcium
The vitamin necessary for chemical clotting is? K
The general stimulus for chemical clotting, even in an intact vessel, is a? Rough surface
A newly formed clot is made smaller by the process of? Clot retraction
When a blood clot has served its purpose, it is removed by the process of? Fibrinolysis
Antithrombin is synthesized by the? Liver
Antithrombin is synthesized by the liver, and its purpose is to? Inactivate excess thrombin
The endothelium of a blood vessel its? Lining
The endothelium of a blood vessel is its lining, and it is smooth, which prevents? Abnormal clotting
An abnormal clot that forms within a vessel is called a? Thrombus
A clot that breaks off and travels into another vessel is called an? Embolism
The viscosity of the blood is its? Thickness
The viscosity of the blood is its thickness, and depends on the presence of the plasma protein? Albumin
The viscosity is important to help maintain normal? Blood pressure
The normal pH range of blood is? 7.35 to 7.45
Carbon dioxide is carried in the blood in the form of _________ in the _______? Bicarbonate ions, plasma
If more carbon dioxide is carried by the blood, the pH of the blood will? Decrease
If less carbon dioxide is carried by the blood, the pH of the blood will? Increase
The term for a low RBC count is? Anemia
the term for a high WBC count is? Leukocytosis
The term for a low platelet count is? Thrombocytopenia
the primary consequence of anemia is? Hypoxia
Leukocytosis might be a sign of? Infection
Created by: laceylake