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40 Cards in this Set
- Front
- Back
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the biconcave cells in blood that lack nuclei when they are mature are the
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RBC
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the oxygen-carrying substance found in red blood cells is called
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hemoglobin
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the formed elements in cells that are cytoplasmic fragments of cells are
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platelets
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the percentage of red blood cells by volume is called the
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hematocrit (HTC)
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Red blood cells are also called ____, white blood cells are also called ____, and platelets are also called
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ethrocytes
leukocytes thrombocytes |
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if a blood clot dislodges or breaks loose and is carried away by the blood, it is known as an
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embolus
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a high oxygen concentration in red blood cells is due to the presence of
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oxyhemoglobin
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red blood cells with low oxygen concentrations are a dull purplish-blue color due to the presence of
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deoxyhemoglobin
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the formation of a blood clot is
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coagulation
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a blood clot that forms abnormally in a blood vessel is a
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thrombus
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the antigens of the ABO blood group are found
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RBC membranes
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people who are considered to be universal donors have blood type
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O or O negative
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People who are considered to be universal recipients have blood type
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AB or AB positive
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The RH blood group was named after
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Rhesus monkeys
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of the antigens in the RH groups, the most important is
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D
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the molecules found on the surface of the heart and which may indentify you to yourself are called ____ the proteins carried in plasma that attack foreigh antigens are called
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antigens
antibodies |
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the circulatory path that carries deoxygenated blood to the lungs to pick up oxygen and unload carbon dioxide is the _______ circuit
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pulmonary
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the circulatory path that carries oxygenated blood to all body cells and removes wastes is the _______ circuit
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systemic
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the type of blood vessel that serves as a blood resevoir is
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vein
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the term used to describe an abnormally slow heart rate is
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bradychardial
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the term used to describe an abnormally fast heart rate is
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trychardial
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______ are strong, elastic vessels that carry blood awar from the heart, and ___ are blood vessels that carry blood back to the heart
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arteries
veins |
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_____ continue from capillaries to form veins, which carry blood back to the atria.
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venules
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the period during which a heart chamber is contracting is called _______, while the period during which a heart chamber is relaxing is called ___
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systole
diastole |
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during ventricular contraction, the tricuspid and bicuspid valves remain
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closed
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Heart sounds are due to vibrations in the heart tissue due to the ____ of heart valves.
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closing
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the blood vessels whose walls are thin enough to allow exchange of gases between the blood and tissue fluid are
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capillaries
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the artery called the ______ distributes blood to all body organs except lungs
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aorta
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the upper chambers of the heart are called
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atria
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the lower chambers of the heart are called
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ventricles
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the valve that prevents blood movement from the right ventricle to the right atrium is the
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tricuspid valve
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the valve that prevents blood movement from left ventricle to the left atrium is the
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mitral valve
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the valve that leads from the right ventricle to the lungs is the
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pulmonary valve
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the double-layered membrane around the heart is the
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pericardium
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the outer lining of the heart wall (chamber) is the
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epicardium
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the middle layer largely composed of heart muscle is the
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myocardium
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the inner linging of the heart wall (chamber) is the
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endocardium
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which valves are closing for lubb
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A-V
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which valves are closing for dubb
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semilunar
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the tricuspid valves and mitral valve are known ____________ valves. the pulmonary and aortal valve are known as ____ valves
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AV
Semilunar |
