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Worksheetsadv bio c 11 - cardiovascular system
Total questions: 32
Worksheet time: 18mins
The layer of the heart wall that contains cardiac muscle tissue is the:
visceral pericardium
endocardium
epicardium
myocardium
parietal pericardium
The atria of the heart:
are located superiorly & are the receiving chambers
are located inferiorly & are the receiving chambers
are located superiorly & are the discharging chambers
are located inferiorly & are the discharging chambers
The pointed tip of the heart is called the apex.
true
false; aortic point
false; ventricular point
false; ventriculation
The partition in the superior midline of the heart is called the ventricular partition.
true
false; interatrial septum
false; ineratrial partition
false; ventricular septum
The type of blood that is found in the right ventricle is:
oxygenated
deoxygenated
t/f the tiny white cords that anchor the flaps of the valves are called the chordae tendinae.
true
false
A decrease in the elasticity of blood vessels causes blood pressure to:
increase
decrease
stay the same
stop altogether
The blood vessel wall that consists of cells forming a slick surface to decrease friction & allow blood to flow smoothly through the vessel lumen is the:
tunica media
tunica intima
tunica externa
tunica whata
The blood vessel that drains blood from the lower parts of the body & empties it into the right atrium is the:
superior vena cava
inferior vena cava
superior aorta
inferior aorta
Which of the following areas receives blood directly from the 4 pulmonary veins?
lungs
right atrium
right ventricle
left atrium
left ventricle
The mitral valve prevents blood from flowing from the:
Right ventricle to the right atrium
Left ventricle to the left atrium
Right atrium to the left atrium
Left atrium to the right atrium
The tricuspid valve is located between the:
Right atrium & left atrium
Right atrium & right ventricle
Right ventricle & left ventricle
Left atrium & left ventricle
Which of the following blood vessels carries oxygenated blood?
Superior vena cava
Inferior vena cava
Coronary sinus
Pulmonary artery
Pulmonary veins
The carotid artery is located in the:
armpit
groin
neck
abdomen
leg
In which of the following blood vessels is the blood pressure the highest?
veins
capillaries
vena cava
arteries
arterioles
Vasoconstriction occurs as a result of:
an increase in parasympathetic nervous system firing
a decrease in parasympathetic nervous system firing
an increase in sympathetic nervous system firing
a decrease in sympathetic nervous ssytem firing
an increase in blood pressure
t/f the heart is enclosed by a double sac of serous membrane known as the peritoneum.
true
false
The pulmonary arteries carry deoxygenated blood to the lungs.
true
false
t/f arteries always carry blood away from the heart.
true
false
t/f the part of the intrinsic conduction system of the heart that directly communicates with the walls of the ventricles is the Purkinje fibers.
true
false
t/f the pacemaker of the heart is called the sinoatrial (SA) node.
true
false
Systole means contraction of heart muscle.
true
false
The smooth muscle in a blood vessel wall is found in the tunica media.
true
false
t/f Diastolic pressure is the pressure in the arteries at the peak of ventricular contraction.
true
false
An increase in blood vessel diameter causes blood pressure to decrease.
true
false
An increase in parasympathetic nervous system firing causes cardiac output to increase.
true
false
Low venous return decreases stroke volume & cardiac output.
true
false
#1 is the:
aorta
venae cavae
right atrium
pulmonary veins
pulmonary arteries
#14 is the:
left pulmonary veins
left pulmonary arteries
right pulmonary veins
right pulmonary arteries
#13 is pointing to which valve?
bicuspid
tricuspid
aortic semilunar
aortic semilunar
mitral
#2 is the:
right pulmonary artery
left pulmonary artery
right pulmonary veins
left pulmonary veins
superior vena cava
#8 is which chamber of the heart?
right ventricle
left ventricle
right atrium
left atrium
