HEART REVIEW
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School
Broward College *
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Course
BSC2085
Subject
Medicine
Date
Apr 3, 2024
Type
docx
Pages
14
Uploaded by valll33 on coursehero.com
HEART REVIEW:
Question 1
(1 point)
A vein is a blood vessel that
Question 1 options:
carries blood away from the heart.
carries deoxygenated blood.
carries oxygenated blood.
carries blood back to (toward) the heart.
Question 2
(1 point)
In the systemic circuit the arteries carry
Question 2 options:
always deoxygenated blood.
either oxygenated or deoxygenated blood.
always deoxygenated blood away from the heart.
always oxygenated blood.
Question 3
(1 point)
The ____________ allows the heart to beat without friction.
Question 3 options:
epicardium
pericardium
myocardium
endocardium
Question 4
(1 point)
The ________________ consists of a simple squamous epithelium (endothelium) and a thin layer of areolar connective.
Question 4 options:
endocardium
pericardial cavity
epicardium
myocardium
fibrous skeleton
Question 5
(1 point)
The _______________ carry/ies oxygen-poor (deoxygenated) blood from the right ventricle to the lungs.
Question 5 options:
superior vena cava
aorta
inferior vena cava
pulmonary trunk
pulmonary veins
Question 6
(1 point)
Which of the following pair of blood vessels carry oxygen-poor (deoxygenated) blood?
Question 6 options:
Pulmonary veins and pulmonary arteries.
Superior venae cava and pulmonary arteries.
Pulmonary veins and superior vena cava.
Aorta and pulmonary veins.
Aorta and superior venae cava.
Question 7
(1 point)
The right pulmonary veins drain blood into the
Question 7 options:
right atrium.
left ventricle.
left atrium.
right ventricle.
Question 8
(1 point)
The pulmonary semilunar valve
Question 8 options:
prevents back flow of blood from the left ventricle to the pulmonary trunk.
prevents back flow of blood from the right ventricle to the pulmonary trunk.
prevents back flow of blood from the pulmonary trunk to the left ventricle.
prevents back flow of blood from the pulmonary trunk to the right ventricle.
Question 9
(1 point)
The _____________ attach the cusps of the AV valves to the papillary muscles.
Question 9 options:
pectinate muscles
interventricular septum
chordae tendineae
trabeculae carneae
Question 10
(1 point)
The branches of the right coronary artery are the
Question 10 options:
anterior interventricular artery and the circumflex artery.
circumflex artery and
the marginal artery.
marginal artery and posterior interventricular artery.
anterior interventricular artery and the posterior interventricular artery.
Question 11
(1 point)
The atrioventricular (AV) node
Question 11 options:
connects electrically the atria to the ventricles.
distributes the electrical excitation to the cardiocytes of the ventricles.
delays the impulses to allow the atria to finish contracting before the ventricles start to contract.
initiates each heartbeat and determines heart rate.
Question 12
(1 point)
Which of the following traces the correct route of the electrical impulses from the right atrium to the cardiocytes of the left ventricle?
Question 12 options:
Atrioventricular (AV) node, Sinoatrial (SA) node, atrioventricular bundle,
left bundle branch, purkinje fibers.
Sinoatrial (SA) node, atrioventricular (AV) node, atrioventricular bundle,
left bundle branch, purkinje fibers.
Sinoatrial (SA) node, atrioventricular (AV) node, purkinje fibers, atrioventricular bundle,
left bundle branch.
Sinoatrial (SA) node, atrioventricular (AV) node, left bundle branch, atrioventricular bundle,
purkinje fibers.
Question 13
(1 point)
The P wave represents the
Question 13 options:
repolarization of ventricles.
depolarization of atria.
depolarization of ventricles.
repolarization of atria.
Question 14
(1 point)
The T wave represents the
Question 14 options:
repolarization of ventricles.
repolarization of atria.
depolarization of atria.
depolarization of ventricles.
Question 15
(1 point)
A persistent, resting adult heart rate above 100 bpm is referred as
Question 15 options:
sinus rhythm.
nodal rhythm.
tachycardia.
bradycardia.
Question 16
(1 point)
An extra heartbeat produced in any region of spontaneous firing other than the SA node is called
Question 16 options:
arrhythmia
heart block
extra-systole.
nodal rhythm
Question 17
(1 point)
The second sound of the heart, described as
dubb,
is produced by the
Question 17 options:
opening of the semilunar valves.
opening of the AV valves.
closing of the AV valves.
closing of the semilunar valves.
Question 18
(1 point)
In the period of ________________ the ventricles contract, the pressure increases,
but the volume inside the ventricles does not change because every valve is closed.
Question 18 options:
isovolumetric relaxation
isovolumetric contraction
ventricular filling
ventricular ejection
Question 19
(1 point)
The _____________ is the percentage of the end-diastolic volume that is ejected
(about 54%).
Question 19 options:
ejection fraction (EF)
stroke volume (SV)
end-diastolic volume (EDV)
end-systolic volume (ESV)
Question 20
(1 point)
The _____________ is the volume of blood that each ventricle ejects during ventricular ejection (about 70 mL).
Question 20 options:
ejection fraction (EF)
end-systolic volume (ESV)
end-diastolic volume (EDV)
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