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Practice Test
Chapter 11: The Cardiovascular System
Question 1
Question 1: Which of the following do/does not ultimately drain into the inferior vena cava
(IVC)?
Basilic vein
Common iliac veins
Brachiocephalic veins
Great saphenous vein
Hepatic veins
Question 2
Question 2: Heart muscle is also called _______.
endothelium
visceral pericardium
myocardium
epicardium
endocardium
Question 3
Question 3: Which of the following is the correct pathway of impulse travel through the heart?
atrioventricular bundle-SA Node-AV Node-Purkinje fibers
SA Node-AV Node-Atrioventricular bundle-Purkinje fibers
AV Node-SA Node-Purkinje fibers-Atrioventricular bundle
SA Node-Purkinje fibers-AV Node-Atrioventricular bundle
AV Node-Atrioventricular bundle-Purkinje fibers-SA Node
Question 4
Question 4: The product of the stroke volume and the heart rate is known as the _______.
blood pressure
cardiac reserve
end diastolic volume
end systolic volume
cardiac output
Question 5
Question 5: The umbilical vein carries/passes _______.
from the navel directly into the inferior vena cava
metabolic wastes and carbon dioxide from the fetus to the placenta
oxygen and foods from the placenta to the fetus
oxygen and foods from the fetus to the placenta
Question 6
Question 6: At the arterial end of a capillary, blood pressure is _______ than osmotic pressure,
and fluid flows _______ the capillary.
more; into
less; into
less; out of
equal; through
more; out of
Question 7
Question 7: What portion of the ECG indicates ventricular repolarization?
P wave
QRS complex
T wave
R spike
P-Q interval
Question 8
Question 8: You are not an athlete and you are not physically fit. If you suddenly partake in
physical exercise, the increased demands of such vigorous exercise on your body are met
primarily by _______.
increased heart rate and blood volume
all of the above
increased stroke volume
increased blood volume
increased heart rate
Question 9
Question 9: Blood exits the left ventricle in which of the following blood vessels?
Coronary arteries
Pulmonary vein
Superior vena cava
Aorta
Pulmonary trunk
Question 10
Question 10: Compared to an artery, the wall of a vein differs in which of the following ways?
Veins have an extra layer of muscle.
It is lined by a thin layer of endothelium.
It consists of three coats called tunics.
It contains smooth muscle.
The middle tunic is thin.
Question 11
Question 11: During fetal existence, the _______ connects the pulmonary trunk to the aorta,
allowing blood to bypass the fetal lungs (which are nonfunctional).
foramen ovale
ductus venosus
umbilical vein
ductus arteriosus
umbilical artery
Question 12
Question 12: Regarding homeostatic relationships between the cardiovascular system and other
body systems, which of the following picks up leaked fluid and plasma proteins, and returns
them to the cardiovascular system?
Endocrine system
Lymphatic system
Urinary system
Respiratory system
Question 13
Question 13: What unique feature connects the anterior and posterior blood supplies of the brain,
providing more than one route for blood to reach brain tissue in a given area?
Hepatic portal circulation
Circle of Willis
Bundle branches
Coronary circulation
Ductus arteriosus
Question 14
Question 14: Which is the correct order of events regarding operation of the atrioventricular
(AV) valves?
1 - Ventricles contract, forcing blood against AV flaps.
2 - As the ventricles fill, AV flaps hang limply into ventricles.
3 - Blood returning to the atria puts pressure against AV valves, forcing them open.
4 - Chordae tendineae tighten, preventing valve flaps from everting into the atria.
5 - AV valves close.
6 - Atria contract, forcing additional blood into ventricles.
3-2-6-1-5-4
3-6-2-1-5-4
3-6-2-5-1-4
4-5-1-6-2-3
3-2-6-5-1-4
Question 15
Question 15: Which of the following does NOT aid the return of venous blood to the heart from
the lower extremities?
The respiratory "pump"
Gravity
The skeletal muscle "pump"
Valves in veins
The large lumens of veins
Question 16
Question 16: Which of the following is involved in anchoring the AV valve flaps to the walls of
the ventricles?
Chordae tendineae
Purkinje fibers
Fenestrations
Adhesions
Cuspidors
Question 17
Question 17: Which of the following is NOT true during ventricular systole?
The atria are relaxed.
Intraventricular pressure rises.
AV valves close.
Semilunar valves close.
Chordae tendineae prevent AV valve flaps from everting into the atria.
Question 18
Question 18: Which of the following would NOT cause an increase in the heart rate?
Release of epinephrine into the blood
Stimulation of the vagus nerve
Exercise
Sympathetic stimulation
Question 19
Question 19: Which of the following would lead to a decrease in cardiac output?
An increase in heart rate
An increase in stroke volume
Release of epinephrine into the bloodstream
A decrease in venous return
An increase in sympathetic stimulation
Question 20
Question 20: Which of the following blood vessels carries oxygen-rich blood?
Pulmonary veins
Coronary sinus
Pulmonary trunk
Inferior vena cava
Superior vena cava
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Reading Quiz
Chapter 11: The Cardiovascular System
After reading the following questions carefully, please choose the best response.
Question 1
Question 1: Most simply stated, the major function of the cardiovascular system is _______.
Show Hint
transportation
secretion
excretion
expiration
Question 2
Question 2: The heart is located in the inferior _______ with its _______ pointed toward the left
hip.
Show Hint
mediastinum, base
mediastinum, great vessels
mediastinum, apex
None of these answers is correct.
Question 3
Question 3: The layer of the heart that actually contracts is the _______.
Show Hint
pericardium
endocardium
epicardium
myocardium
Question 4
Question 4: The heart has _______ chambers and works as a _______ pump.
Show Hint
two, double
two, single
four, single
four, double
Question 5
Question 5: The _______ side of the heart is the systemic circuit pump and the _______ side of
the heart is the pulmonary circuit pump.
left, right
anterior, posterior
posterior, anterior
right, left
Question 6
Question 6: The _______ anchor the flaps of the valves to the walls of the ventricles.
Show Hint
coronary sulci
chordate tendineae
semilunar valves
marginal arteries
Question 7
Question 7: The tiny mass of cells that forms the pacemaker of the heart is called the _______.
Show Hint
sinoatrial node
bundle of His
Perkinje fibers
atrioventricular (AV) node
Question 8
Question 8: When listening to the heart, the "lub" is the _______ valves snapping shut and the
"dup" sound occurs when the _______ valves close at the end of systole.
aortic, pulmonary
semilunar, atrioventricular
tricuspid, bicuspid
atrioventricular, semilunar
Question 9
Question 9: Blood that nourishes the heart is provided by the right and left _______.
atria
coronary arteries
cardiac veins
coronary sinus
Question 10
Question 10: The walls of _______ are usually much thicker than the walls of _______.
Show Hint
veins, arteries
capillaries, arteries
capillaries, valves
arteries, veins
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