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anatomy week 10

anatomy flashcards

QuestionAnswer
the structural components of the circulatory system include the: heart and blood vessels
in ___, blood moves from veins to other veins or arteries to other arteries without passing through an intervening capillary network vascular anastomoses
erythrocytes begin their maturation sequence in red bone marrow from nucleated cells known as: hematopoietic stem cells
the bulk of the heart wall is the thick, contractile middle layer called the myocardium
the ___ drains much of the superficial leg and foot great saphenous vein
which types of arteries are also called conducting arteries and include the aorta elastic arteries
a graphic record of the heart's electrical activity is a(n) ECG
all of the following are granulocytes except lymphocytes
the normal ECG is composed of all of the following except a E wave
the brachiocephalic vein drains blood from the head, neck, and upper extremity
a glycoprotein hormone that is secreted to increase oxygen concentration in the tissues is erythropoietin
from which vessels do myocardial cells receive blood coronary arteries
___ is used to determine the volume percentage of red blood cells in whole blood hematocrit
which layer of the larger blood vessels is made up of endothelium tunica intima
during fetal circulation, what opening in the septum between the right and left atria, directs most of the blood so that it bypasses the fetal lungs foramen ovale
the ___ is(are) supplied with blood from the left subclavian artery head and upper extremeties
which division of the autonomic nervous system sends fibers to the heart both A and B
the free edges of the atrioventricular valces are anchored to the papillary muscles
the internal iliac artery supplies blood to the pelvis
which of the following is nor a formed element found in the blood plasma
the structure referred to as the pacemaker of the heart is SA node
the heart valves that are located where the trunk of the pulmonary artery joins the right ventricle and where the aorta joins the left ventricle are called semilunar valves
after blood leaves the lungs and returns to the heart, it enters the left atrium
microscopic vessels that carry blood from small artereies to small veins are capillaries
atria are often called ___ because they receive blood from vessels called veins receiving chambers
the outermost layer of the larger blood vessels is the tunica adventitia
renal veins drain blood from the kidneys
mechanical devices that permit the flow of blood in one direction only are called valves
the normal cardiac impulse that initiates mechanical contraction of the heart arises in the SA node
the four structures that compose the conduction system of the heart are the SA node, AV node, AV buncle, and Purkinje fibers
Created by: tarman04
 

 



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