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Ch.11/MED126
Blood-Practice Test
Question | Answer |
---|---|
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 |