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76 Cards in this Set
- Front
- Back
Mature red blood cells are called
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erythrocytes
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the functions of red blood cells are
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transport gases
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____________ is the oxygen-carrying substance in a red blood cell
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hemoglobin
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white blood cells are also called
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leukocytes
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white blood cells with granular cytoplasm are called
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granulocytes
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white blood cells lacking granular cytoplasm are called
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agranulocytes
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normally, the most numerous white blood cells
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neutrophils
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a platelet, a fragment of a cell, lacks a
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nucleus
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the antigens of the ABO blood group are located in the
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RBC's cell membrane
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The blood of every person contains one of (how many possible?)
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4
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type A blood contains antigen
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A
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type B blood contains antigen
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B
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Type A blood contains ______ antibody in the plasma
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anti-B
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Type B blood contains ______ antibody in the plasma
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anti-A
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person with ABO blood type _____ are often call universal recipients
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AB
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persons with ABO blood type _____ are often called universal donors
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O
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The Rh blood group was named for the
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Rhesus Monkey
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of the antigens in the Rh group, the most important is
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D (Rh factor)
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If red blood cells lack Rh antigens, the blood is called
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Rh-
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If an Rh-negative person sensitive to Rh-positive blood receives a transfusion of Rh-positive blood, the donor's cells are likely to
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agglutinate
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An Rh-negative woman, who might be carrying an ______ fetus, is given an injection of RhoGAM to prevent hemolytic disease of the fetus and newborn (erythroblastosis fetalis)
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Rh+
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upper chamber of heart
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atrium
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structure from which chordae tendineae originate
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papillary muscle
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prevents blood movement from right ventricle to right atrium
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tricuspid valve
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membranes around heart
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pericardial sac
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prevents blood movement from left ventricle to left atrium
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mitral (bicuspid) valve
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gives rise to left and right pulmonary arteries
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pulmonary trunk
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inner lining of heart chamber
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endocardium
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layer largely composed of cardiac muscle tissue
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myocardium
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space containing serous fluid
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pericardial cavity
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drains blood from myocardial capillaries
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cardiac vein
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supplies blood to heart muscle
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coronary artery
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distributes blood to body organs (systemic circuit) except lungs
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aorta
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the period during which a heart chamber is contracting is called
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systole
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the period during which a heart chamber is relaxing is called
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diastole
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during ventricular contraction, the AV valves are
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closed
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druing ventricular relaxation, the AV valves are
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open
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the first sound of the cardiac cycle occurs when the ____ valves are closing
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AV
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the second sound of the cardiac cycle occurs when the ____ valves are closing
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semilunar
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the fibers of the cardiac conduction system are specialized _______ tissue
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cardiac muscle
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Normally, the _______ node serves as the pacemaker of the heart
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sinoatrial
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the ______ node is located in the inferior portion of the interatrial septum
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atrroventricular
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the large fibers on the distal side of the AV node make up the
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AV bundle then goes to bundle branches
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the fibers that carry cardiac impulses from the interventricular septum into the myocardium are called
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purkinje fibers
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a(n) ______ is a recording of electrical changes occuring in the myocardium
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ECG or EKG
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between cardiac cycles, cardiac muscle fibers remain______ with no detectable electrical changes
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polarized
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the P waves corresponds to the depolarization of the muscle fibers of the
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atria
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the QRS complex corresponds to the depolarization of the muscle fibers of the
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ventricles
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the T waves corresponds to the repolarization of the muscle fibers of the
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ventricles
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simple squamous epithelial tissue called _______ forms the inner linings of the tunica interna of blood vessels
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endothelium
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the _____ of an arterial wall contains many smooth muscle cells
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tunica media
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the ______ of an arterial wall is largely composed of connective tissue
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tunica external
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when contraction of the smooth muscle in a blood vessel wall occurs, the vessel is referred to as being in a condition of
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vasoconstriction
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relaxation of the smooth muscle in a blood vessel wall results in the vessel being in a condition of
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vasodilation
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the smallest blood vessels are called
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capillaries
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filtration results when substances are forced through capillary walls by ______ pressure
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high
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the presence of plasma proteins in the blood increases its _______ pressure as compared to tissue fluids
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osmotic
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________ in certain veins close if the blood begins to back up in that vein
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valves
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kidney
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renal
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biceps muscle
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brachial
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knee joint
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popliteal
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forearm
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ulnar
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blood pressure is the force exerted against the
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wall of the BV
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the term blood pressure is most commonly used to refer to systemic ____ pressure
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arterial
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the maximum pressure achieved during ventricular contraction is called _____ pressure
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systolic
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the lowest pressure that remains in the arterial system during ventricular relaxation is called _____ pressure
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diastolic
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blood pressure rises and falls in a pattern corresponding to the phases of the
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cardiac cycle
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a pulse is caused by the
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alternate expansion & recoil of BV walls
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the ____ artery in the arm is the standard systemic artery in which blood pressure is measured
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brachial
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lymphatic pathways begin as ______ that merge to form lymphatic vessels
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lymphatic capillaries
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the wall of a lymphatic capillary consists of a single layer of _______ cells
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endothelium
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once tissue (interstitial) fluid is inside a lymph capillary, the fluid is called
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lymph
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lymphatic vessesl have walls similar to those of
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veins
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lymphatic vessels contain _____ that help prevent the backflow of lymph
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valves
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lymphatic vessels usually lead to _____ that filter the fluid being transported
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lymph nodes
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the ______ is the larger and longer of the two lymphatic collecting ducts
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thoracic duct (left lymphatic duct)
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