Heart Quiz
The saclike structure around the heart is the... a. pericardium b. endocardium c. epicardium d. myocardium
pericardium
Which of the following semilunar valves carries oxygenated blood? a. mitral b. aorta c. pulmonary d. bicuspid
Aortic
Which structure connects the cusps of the AV valves to the ventricle? a. chordae tendinae b. purkinje fibers c. bundle of His d. AV node
Chordae Tendinae
What is the hardest working cardiac chamber and therefore has the thickest myocardium? a. right ventricle b. right atrium c. left ventricle d. left atrium
Left ventricle
The muscular layer of the heart wall is the... a. pericardium b. endocardium c. epicardium d. myocardium
Myocardium
Which of the following structures "carries" deoxygenated blood? a. aorta b. pulmonary veins c. pulmonary artery d. left ventricle
Pulmonary artery
Which of the following carries oxygenated blood? a. pulmonary veins b. pulmonary valve c. vena cava d. right atrium
Pulmonary veins
Which cavity first receives deoxygenated blood from the vena cava? a. right atrium b. right ventricle c. left atrium d. left ventricle
Right Atrium
Which statement is TRUE of arteries? a. always carry oxygenated blood b. they always carry blood away from the heart c. they are the smallest vessels of the body d. both a and b are true of arteries
They always carry blood away from the heart
Which statement is TRUE of veins? a. they can be either muscular or elastic b. they always carry non oxygenated blood c. they always carry blood back to the heart d. all of the above are true of veins
They always carry blood back to the heart
Blood flows from the right atrium through which atrioventricular valve to the right ventricle? a. pulmonary b. tricuspid c. mitral d. bicuspid
Tricuspid valve
All the arteries of the systemic circulation branch from the... a. aorta b. illuminate artery c. pulmonary artery d. superior vena cava
aorta
The mitral and bicuspid valves... a. are the same valves carry only deoxygenated blood are both located on the right side of the heart are semilunar valves
are the same valves
A hole in the interventricular septum causes a. aplastic anemia b. extreme cyanosis c. blood to shunt from the left to the pulmonary artery d. blood to shunt from the left to right ventricle
blood to shunt from the left to right ventricle
The internal layer of tissue in the heart is the: a. pericardium b. myocardium c. endocardium d. epicardium
endocardium
The right ventricle pumps blood to the.. a. pulmonary artery b. aorta c. pulmonary veins d. right atrium
pulmonary artery
Vessels that carry blood from the lungs to the left atrium are the... a. pulmonary veins b. pulmonary artery c. Aorta d. Vena Cava
pulmonary veins
Blood from the superior vena cava enters which part of the heart? a. left atrium b. left ventricle c. right atrium d. right ventricle
right atrium
The pulmonary and aortic valves are: a. semilunar valves b. are attached to the ventricular walls by chordae tendinae c. carries only oxygenated blood d. are atrioventricular valves
semilunar valves
The purpose of the right side of the heart is to pump blood to... a. to the left side of the body b. to the systemic circulation c. to the lungs for oxygenization d. into the aorta
to the lungs for oxygenization
