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76 Cards in this Set

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