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WorksheetsThe Heart
Total questions: 25
Worksheet time: 13mins
Name
Class
Date
1.
Name the artery that carries blood from the left ventricle to the body
a)
vena cava
b)
aorta
c)
pulmonary Vein
d)
pulmonary artery
2.
What carries the oxygenated blood from the lungs to the left atrium of the heart?
a)
vena cava
b)
aorta
c)
pulmonary vein
d)
pulmonaryartery
3.
What are the two large veins that drain blood from the upper body and from the lower body and empty it into the right atrium of the heart?
a)
vena cava
b)
aorta
c)
pulmonary artery
d)
pulmonary vein
4.
The two chambers of the heart with thin walls that collect blood from the major veins and empty it into the larger, more muscular chambers.
a)
aorta
b)
atria
c)
ventricles
d)
lungs
5.
What are the functions of the tricuspid and bicuspid valves?
a)
prevent blood from leaking back into he ventricles
b)
prevent blood from leaking back into the atria
c)
allow blood to flow into the atria
d)
allow blood to leave the ventricles
6.
What are the functions of the tricuspid and bicuspid valves?
a)
prevent blood from leaking back into the ventricles
b)
prevent blood from leaking back into the atria
c)
allow blood to flow into the atria
d)
allow blood to leave the ventricles
7.
Which of the following define diastole and systole
a)
systole is the contraction of the heart and diastole is the relaxation of the heart
b)
diastole is the contraction of the heart and systole is the relaxation of the heart
c)
diastole and systole are both contractions of the heart
d)
diastole and systole are both relaxation phases of the heart
8.
What is ECG?
a)
electrocardiogram
b)
a tool that collects electrical changes in the heart muscle
c)
will detect any abnormal rhythm of the heart
d)
all of the above
9.
What tool is used to measure blood pressure?
a)
ECG
b)
stethoscope
c)
sphygmomanometer
d)
thermometer
10.
What is a normal blood pressure?
a)
120/80
b)
100/50
c)
190/70
d)
150/70
11.
The lining of the chambers of the heart is called the
a)
myocardium
b)
epicardium
c)
endocardium
d)
pericardium
12.
Freshly oxygenated blood is delivered to the _____________ and then it passes into the __________ to be pumped to the entire body.
a)
right ventricle; right atrium
b)
left ventricle; left atrium
c)
left atrium; left ventricle
d)
right atrium; right ventricle
13.
Into which chamber of the heart do the pulmonary veins deliver blood?
a)
left ventricle
b)
right atrium
c)
left atrium
d)
right ventricle
14.
The most muscular chamber of the heart is the
a)
left ventricle
b)
left atrium
c)
right atrium
d)
right ventricle
15.
Which of the following is a difference between cardiac muscle and skeletal muscle?
a)
unlike skeletal muscle cells, cardiac muscle cells do not rely on an influx of calcium ions for depolarization
b)
unlike skeletal muscle, cardiac muscle is not striated
c)
unlike skeletal muscle, cardiac muscle does not use a sliding filament mechanism for contraction
d)
unlike skeletal muscle cells, cardiac muscle cells can be autorhythmic
16.
The role of the atrioventricular node (AV node) is to
a)
initiate a sinus rhythm
b)
conduct impulses to the sinoatrial node (SA node)
c)
initiate ventricular depolarization
d)
slow down impulses so that the atria can contract to fill the adjacent ventricles with blood
17.
The P wave of an ECG represents
a)
atrial repolarization
b)
atrial depolarization
c)
ventricular repolarization
d)
ventricular depolarization
18.
The second heart sound (the dup of the lub-dup) is caused by the
a)
opening of the pulmonary and aortic valves
b)
closure of the tricuspid and bicuspid valves
c)
closure of the pulmonary and aortic valves
d)
opening of the tricuspid and bicuspid valves
19.
Which of the following would lead to a decrease in heart rate?
a)
sharply decreased blood volume
b)
parasympathetic stimulation
c)
norepinephrine
d)
exercise
20.
Which part of the ECG corresponds to the repolarization of the ventricle?
a)
P wave
b)
QRS complex
c)
T wave
d)
none of the above
21.
Which of the following lists the valves in the order through which the blood flows from the vena cava through the heart?
a)
tricuspid, pulmonary, bicuspid, aortic
b)
mitral, pulmonary, bicuspid, aortic
c)
bicuspid, aortic, tricuspid, pulmonary
d)
aortic semilunar, pulmonary, tricuspid, bicuspid
22.
Which valve separates the left atrium from the left ventricle?
a)
tricuspid
b)
mitral
c)
pulmonary
d)
aortic
23.
Which component of the heart conduction system would have the slowest rate of firing?
a)
AV node
b)
Purkinje fibers
c)
bundle of His
d)
bundle branches
24.
Place the following in the correct order:
1.atria contract
2. AV node
3. Bundle of His
4.Purkinje fibers
5. SA node
6. ventricles contract
1.atria contract
2. AV node
3. Bundle of His
4.Purkinje fibers
5. SA node
6. ventricles contract
a)
5, 1, 2, 3, 4, 6
b)
2, 1, 5, 3, 4, 6
c)
5, 6, 2, 3, 4, 1
d)
2, 6, 5, 3, 4, 1
25.
Choose the answer that will fill in the missing words in the correct order:vena cava, _________________, tricuspid valve, right ventricle, pulmonary valve, __________________, lungs, ___________________, left atrium, ____________________, left ventricle, aorta
a)
right atrium, pulmonary artery, pulmonary veins, bicuspid valve
b)
atrial valve, right atrium, right ventricle, body
c)
left ventricle, pulmonary artery, pulmonary veins, tricuspid valve
d)
right atrium, pulmonary veins, pulmonary artery, bicuspid valve
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