The document outlines 5 sections that cover different aspects of the structure and function of the heart: structure of the heart, pathway of blood through the heart and valves, conducting system and innervation, blood supply and disorders, and the heart throughout life. It provides information about the layers of the heart, flow of blood through the chambers and valves, electrical conduction system, coronary arteries and disorders like CAD, and fetal heart development. The sections include questions and answers to test understanding of topics within each area.

1. Chapter 19—The Heart
Structure of
the Heart
Pathway of
Blood through
the Heart and
Heart Valves
Conducting
System and
Innervation
Blood Supply
to the Heart
and Disorders
of the Heart
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The Heart
Throughout
Life
FINAL ROUND

2. Structure of the Heart:
$100 Question
Which is correct about the fibrous pericardium?
a. It adheres to the diaphragm inferiorly.
b. It acts as a tough outer coat that holds
the heart in place and prevents it from
overfilling.
c. It is superficial to the double-layered
serous pericardium.
d. All of the above
ANSWER
BACK TO GAME

3. Structure of the Heart:
$100 Answer
Which is correct about the fibrous pericardium?
a. It adheres to the diaphragm inferiorly.
b. It acts as a tough outer coat that holds
the heart in place and prevents it from
overfilling.
c. It is superficial to the double-layered
serous pericardium.
d. All of the above
BACK TO GAME

4. Structure of the Heart:
$200 Question
Which layer forms the bulk of the heart
and is the layer that actually contracts?
a. endocardium
b. myocardium
c. endomysium
d. epicardium
ANSWER
BACK TO GAME

5. Structure of the Heart:
$200 Answer
Which layer forms the bulk of the heart
and is the layer that actually contracts?
a. endocardium
b. myocardium
c. endomysium
d. epicardium
BACK TO GAME

6. Structure of the Heart:
$300 Question
The ventricles of the heart contain __________.
a. pectinate muscles, crista terminalis,
fossa ovalis
b. chordae tendineae, papillary muscles,
fossa ovalis
c. trabeculae carneae, chordae tendineae,
papillary muscles
d. papillary muscles, pectinate
muscles, pulmonary trunk
ANSWER
BACK TO GAME

7. Structure of the Heart:
$300 Answer
The ventricles of the heart contain __________.
a. pectinate muscles, crista terminalis,
fossa ovalis
b. chordae tendineae, papillary muscles,
fossa ovalis
c. trabeculae carneae, chordae tendineae,
papillary muscles
d. papillary muscles, pectinate
muscles, pulmonary trunk
BACK TO GAME

8. Structure of the Heart:
$400 Question
The mitral valve, when closed, prevents
blood from back-flowing into the _______.
a. right atrium
b. left atrium
c. right ventricle
d. left ventricle
ANSWER
BACK TO GAME

9. Structure of the Heart:
$400 Answer
The mitral valve, when closed, prevents
blood from back-flowing into the _______.
a. right atrium
b. left atrium
c. right ventricle
d. left ventricle
BACK TO GAME

10. Structure of the Heart:
$500 Question
Horizontal ridges that line the anterior part
of the right atrium and the left auricle are
known as ________.
a. papillary muscles
b. pectinate muscles
c. chordae tendineae
d. trabeculae carneae
ANSWER
BACK TO GAME

11. Structure of the Heart:
$500 Answer
Horizontal ridges that line the anterior part
of the right atrium and the left auricle are
known as ________.
a. papillary muscles
b. pectinate muscles
c. chordae tendineae
d. trabeculae carneae
BACK TO GAME

12. Pathway of Blood through the Heart and Heart Valves:
$100 Question
The coronary sinus __________.
a. allows blood to move from ventricle to
ventricle
b. is where blood enters when leaving the
right ventricle
c. is a branch off the pulmonary trunk
d. Returns almost all the venous
blood from the heart to the
right atrium
ANSWER
BACK TO GAME

13. Pathway of Blood through the Heart and Heart Valves:
$100 Answer
The coronary sinus __________.
a. allows blood to move from ventricle to
ventricle
b. is where blood enters when leaving the
right ventricle
c. is a branch off the pulmonary trunk
d. Returns almost all the venous
blood from the heart to the
right atrium
BACK TO GAME

14. Pathway of Blood through the Heart and Heart Valves:
$200 Question
The pulmonary veins __________.
a. carry de-oxygenated blood to the left
atrium
b. carry oxygenated blood to the left atrium
c. carry de-oxygenated blood to the lungs
d. are branches of the pulmonary
trunk
ANSWER
BACK TO GAME

15. Pathway of Blood through the Heart and Heart Valves:
$200 Answer
The pulmonary veins __________.
a. carry de-oxygenated blood to the left
atrium
b. carry oxygenated blood to the left atrium
c. carry de-oxygenated blood to the lungs
d. are branches of the pulmonary
trunk
BACK TO GAME

16. Pathway of Blood through the Heart and Heart Valves:
$300 Question
Which of the following is correct about the
left ventricle?
a. It generates the same contractile
force as the right ventricle.
b. It experiences only systole.
c. It pumps blood into the systemic
circuit.
d. None of the above
ANSWER
BACK TO GAME

17. Pathway of Blood through the Heart and Heart Valves:
$300 Answer
Which of the following is correct about the
left ventricle?
a. It generates the same contractile
force as the right ventricle.
b. It experiences only systole.
c. It pumps blood into the systemic
circuit.
d. None of the above
BACK TO GAME

18. Pathway of Blood through the Heart and Heart Valves:
$400 Question
When the atrioventricular (AV) valves close,
__________.
a. papillary muscles and chordae tendineae
prevent AV valve flaps from everting
b. the left and right atria are in systole
c. the left and right ventricles are in diastole
d. both a and c
ANSWER
BACK TO GAME

19. Pathway of Blood through the Heart and Heart Valves:
$400 Answer
When the atrioventricular (AV) valves close,
__________.
a. papillary muscles and chordae tendineae
prevent AV valve flaps from everting
b. the left and right atria are in systole
c. the left and right ventricles are in diastole
d. both a and c
BACK TO GAME

20. Pathway of Blood through the Heart and Heart Valves:
$500 Question
Which is correct when the heart valves close?
a. The mitral valve closes slightly before the
tricuspid valve.
b. The closing of AV valves produces the
“dup” sound.
c. The closing of the semilunar valves
produces the “lub” sound.
d. All of the above are correct.
ANSWER
BACK TO GAME

21. Pathway of Blood through the Heart and Heart Valves:
$500 Answer
Which is correct when the heart valves close?
a. The mitral valve closes slightly before the
tricuspid valve.
b. The closing of AV valves produces the
“dup” sound.
c. The closing of the semilunar valves
produces the “lub” sound.
d. All of the above are correct.
BACK TO GAME

22. Conducting System and Innervation:
$100 Question
The heart’s pacemaker is known as
__________.
a. the AV node
b. the Purkinje fibers
c. the internodal fibers
d. the SA node
ANSWER
BACK TO GAME

23. Conducting System and Innervation:
$100 Answer
The heart’s pacemaker is known as
__________.
a. the AV node
b. the Purkinje fibers
c. the internodal fibers
d. the SA node
BACK TO GAME

24. Conducting System and Innervation:
$200 Question
Because it is nonconducting, what is true of the
fibrous skeleton that separates the atria and
ventricles?
a. It allows signals to be conducted from the
atria to the ventricles.
b. It forces signals to travel to the ventricles
through the AV node.
c. It is a conducting zone and allows signals
to travel to the left atrium.
d. Both a and c are true.
ANSWER
BACK TO GAME

25. Conducting System and Innervation:
$200 Answer
Because it is nonconducting, what is true of the
fibrous skeleton that separates the atria and
ventricles?
a. It allows signals to be conducted from the
atria to the ventricles.
b. It forces signals to travel to the ventricles
through the AV node.
c. It is a conducting zone and allows signals
to travel to the left atrium.
d. Both a and c are true.
BACK TO GAME

26. Conducting System and Innervation:
$300 Question
A lesion to the heart’s parasympathetic
fibers would __________.
a. decrease heart rate
b. have no effect on heart rate
c. increase heart rate
d. not allow for a heartbeat to
be generated
ANSWER
BACK TO GAME

27. Conducting System and Innervation:
$300 Answer
A lesion to the heart’s parasympathetic
fibers would __________.
a. decrease heart rate
b. have no effect on heart rate
c. increase heart rate
d. not allow for a heartbeat to
be generated
BACK TO GAME

28. Conducting System and Innervation:
$400 Question
The conducting zone carries impulses along
which pathway?
a. AV node, SA node, AV bundle, Bundle
branches, Purkinje fibers
b. SA node, AV node, AV bundle, Bundle
branches, Purkinje fibers
c. AV node, SV node, AV bundle, Purkinje
fibers, Bundle branches
d. SV node, AV node, Purkinje
fibers, Bundle branches,
ANSWER
Purkinje fibers
BACK TO GAME

29. Conducting System and Innervation:
$400 Answer
The conducting zone carries impulses along
which pathway?
a. AV node, SA node, AV bundle, Bundle
branches, Purkinje fibers
b. SA node, AV node, AV bundle, Bundle
branches, Purkinje fibers
c. AV node, SV node, AV bundle, Purkinje
fibers, Bundle branches
d. SV node, AV node, Purkinje
fibers, Bundle branches,
Purkinje fibers
BACK TO GAME

30. Conducting System and Innervation:
$500 Question
The cells of the SA and AV nodes are
_________.
a. specialized smooth muscle cells
b. short, branching cells with one or
two centrally located nuclei
c. small, typical cardiac muscle cells
d. both b and c
ANSWER
BACK TO GAME

31. Conducting System and Innervation:
$500 Answer
The cells of the SA and AV nodes are
_________.
a. specialized smooth muscle cells
b. short, branching cells with one or
two centrally located nuclei
c. small, typical cardiac muscle cells
d. both b and c
BACK TO GAME

32. Blood Supply to the Heart and Disorders of the Heart:
$100 Question
Which of the following are correct about the
heart’s blood supply?
a. Coronary arteries supply the
myocardium.
b. Its blood supply comes from branches of
the pulmonary veins and the aorta.
c. The one and only major coronary artery
is the coronary sinus.
ANSWER
d. all of the above
BACK TO GAME

33. Blood Supply to the Heart and Disorders of the Heart:
$100 Answer
Which of the following are correct about the
heart’s blood supply?
a. Coronary arteries supply the
myocardium.
b. Its blood supply comes from branches of
the pulmonary veins and the aorta.
c. The one and only major coronary artery
is the coronary sinus.
d. all of the above
BACK TO GAME

34. Blood Supply to the Heart and Disorders of the Heart:
$200 Question
Which of the following are risk factors for
coronary artery disease (CAD)?
a. diabetes
b. smoking
c. inactivity
d. all of the above
ANSWER
BACK TO GAME

35. Blood Supply to the Heart and Disorders of the Heart:
$200 Answer
Which of the following are risk factors for
coronary artery disease (CAD)?
a. diabetes
b. smoking
c. inactivity
d. all of the above
BACK TO GAME

36. Blood Supply to the Heart and Disorders of the Heart:
$300 Question
Which is correct regarding angina
pectoris?
a. It occurs most often during
exercise.
b. It kills heart muscle cells.
c. It results only from tissue hypoxia.
d. All of the above are correct.
ANSWER
BACK TO GAME

37. Blood Supply to the Heart and Disorders of the Heart:
$300 Answer
Which is correct regarding angina
pectoris?
a. It occurs most often during
exercise.
b. It kills heart muscle cells.
c. It results only from tissue hypoxia.
d. All of the above are correct.
BACK TO GAME

38. Blood Supply to the Heart and Disorders of the Heart:
$400 Question
The right coronary artery branches into
__________.
a. the anterior interventricular artery
b. the posterior interventricular artery
c. the marginal artery
d. both b and c
ANSWER
BACK TO GAME

39. Blood Supply to the Heart and Disorders of the Heart:
$400 Answer
The right coronary artery branches into
__________.
a. the anterior interventricular artery
b. the posterior interventricular artery
c. the marginal artery
d. both b and c
BACK TO GAME

40. Blood Supply to the Heart and Disorders of the Heart:
$500 Question
The circumflex artery __________.
a. supplies the anterior part of the left
ventricle
b. is a branch of the left coronary
artery
c. supplies only the left atrium
d. does none of the above
ANSWER
BACK TO GAME

41. Blood Supply to the Heart and Disorders of the Heart:
$500 Answer
The circumflex artery __________.
a. supplies the anterior part of the left
ventricle
b. is a branch of the left coronary
artery
c. supplies only the left atrium
d. does none of the above
BACK TO GAME

42. The Heart Throughout Life:
$100 Question
The embryo’s heart starts pumping on the
________ day of its development.
a. 18th
b. 22nd
c. 20th
d. 26th
ANSWER
BACK TO GAME

43. The Heart Throughout Life:
$100 Answer
The embryo’s heart starts pumping on the
________ day of its development.
a. 18th
b. 22nd
c. 20th
d. 26th
BACK TO GAME

44. The Heart Throughout Life:
$200 Question
The correct direction of blood flow through the
heart tube’s four bulges is _________.
a. bulbus cordis, ventricle, atrium, sinus
venosus
b. sinus venosus, atrium, bulbus cordis,
ventricle
c. sinus venosus, atrium, ventricle, bulbus
cordis
d. atrium, sinus venosus, bulbus
cordis, ventricle
ANSWER
BACK TO GAME

45. The Heart Throughout Life:
$200 Answer
The correct direction of blood flow through the
heart tube’s four bulges is _________.
a. bulbus cordis, ventricle, atrium, sinus
venosus
b. sinus venosus, atrium, bulbus cordis,
ventricle
c. sinus venosus, atrium, ventricle, bulbus
cordis
d. atrium, sinus venosus, bulbus
cordis, ventricle
BACK TO GAME

46. The Heart Throughout Life:
$300 Question
The embryonic atrium eventually __________.
a. becomes the smooth-walled part of the
atria
b. becomes the ridged portions of the right
and left atria
c. gives rise to the SA node
d. Allows both a and c to
happen
ANSWER
BACK TO GAME

47. The Heart Throughout Life:
$300 Answer
The embryonic atrium eventually __________.
a. becomes the smooth-walled part of the
atria
b. becomes the ridged portions of the right
and left atria
c. gives rise to the SA node
d. Allows both a and c to
happen
BACK TO GAME

48. The Heart Throughout Life:
$400 Question
Until birth the two atria are connected by a hole
in the interatrial septum called the _________.
Upon closing it becomes the __________.
a. fossa ovalis; foramen ovale
b. foramen ovalis; fossa ovale
c. foramen ovale; fossa ovalis
d. foramen magnum; fossa
magnum
ANSWER
BACK TO GAME

49. The Heart Throughout Life:
$400 Answer
Until birth the two atria are connected by a hole
in the interatrial septum called the _________.
Upon closing it becomes the __________.
a. fossa ovalis; foramen ovale
b. foramen ovalis; fossa ovale
c. foramen ovale; fossa ovalis
d. foramen magnum; fossa
magnum
BACK TO GAME

50. The Heart Throughout Life:
$500 Question
Which are age-related changes affecting the
heart?
a. hardening and thickening of the cusps of
the heart valves
b. less efficient sympathetic control of the
heart
c. greater amount of fibrous tissue
replacing cardiac muscle cells
d. all of the above
ANSWER
BACK TO GAME

51. The Heart Throughout Life:
$500 Answer
Which are age-related changes affecting the
heart?
a. hardening and thickening of the cusps of
the heart valves
b. less efficient sympathetic control of the
heart
c. greater amount of fibrous tissue
replacing cardiac muscle cells
d. all of the above
BACK TO GAME

52. FINAL ROUND Question
The defects associated with the Tetralogy
of Fallot, one of a number of congenital
heart defects, include __________.
a. pulmonary trunk is too narrow
b. wall of right ventricle is thickened
c. aorta opens from both ventricles
d. all of the above
ANSWER
BACK TO GAME

53. FINAL ROUND Answer
The defects associated with the Tetralogy
of Fallot, one of a number of congenital
heart defects, include __________.
a. pulmonary trunk is too narrow
b. wall of right ventricle is thickened
c. aorta opens from both ventricles
d. all of the above
BACK TO GAME