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Andrea Reilly

Week 10 - The Heart and Cardiovascular System

QuestionAnswer
The free edges of the atrioventricular valves are anchored to the papillary muscles.
Blood flow from the heart through blood vessels to all parts of the body and back to the heart is referred to as _____ circulation. systemic
Which division of the autonomic nervous system sends fibers to the heart? sympathetic and parasympathetic
The normal ECG is composed of all of the following except a E wave.
The structural components of the circulatory system include the heart and blood vessels.
The bulk of the heart wall is the thick, contractile middle layer called the myocardium.
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
Mechanical devices that permit the flow of blood in one direction only are called valves.
The type of membranous tissue that lines the heart and blood vessels is the endothelium.
The internal iliac artery supplies blood to the pelvis.
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
A graphic record of the heart’s electrical activity is a(n) ECG.
The heart has its own special covering, a loose-fitting inextensible sac called the pericardium.
Which types of arteries are also called conducting arteries and include the aorta? elastic arteries
Which mature cell has no nucleus, mitochondria, or ribosomes? Erythrocyte
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.
All of the following are granulocytes except: neutrophils. eosinophils. lymphocytes. basophils. lymphocytes.
_____ is used to determine the volume percentage of red blood cells in whole blood. Hematocrit
The structure referred to as the pacemaker of the heart is(are) the: SA node.
Microscopic vessels that carry blood from small arteries to small veins are capillaries.
The molecule that makes up 95% of the dry weight of each red blood cell and is responsible for the red pigment is hemoglobin.
The outermost layer of the larger blood vessels is the tunica adventitia.
A decrease in the amount of white blood cells is called leukopenia.
The _____ is(are) supplied with blood from the left subclavian artery. head and upper extremities
The term blood type refers to the type of blood cell antigen.
The _____ drains much of the superficial leg and foot. great saphenous vein
The normal cardiac impulse that initiates mechanical contraction of the heart arises in the SA node.
Which layer of the larger blood vessels is made up of endothelium? tunica intima
Erythrocytes begin their maturation sequence in red bone marrow from nucleated cells known as: hematopoietic stem cells.
Created by: aereilly11
 

 



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