1. Electrical Properties
The Heart
Anatomy
Histology
Electrical Properties
Cardiac Cycle
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FINAL ROUND

2. The heart is located here: a. inside the pericardial cavity
Anatomy: $100 Question
The heart is located here:
a. inside the pericardial cavity
b. in the mediastinum, which is located in the pericardial cavity
c. in the mediastinum, which is located in the thoracic cavity
d. in the thoracic cavity, which is located in the mediastinum
ANSWER
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3. The heart is located here: a. inside the pericardial cavity
Anatomy: $100 Answer
The heart is located here:
a. inside the pericardial cavity
b. in the mediastinum, which is located in the pericardial cavity
c. in the mediastinum, which is located in the thoracic cavity
d. in the thoracic cavity, which is located in the mediastinum
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4. This statement about the epicardium is true:
Anatomy: $200 Question
This statement about the epicardium is true:
a. is also known as the parietal pericardium
b. is a layer of cardiac muscle
c. is the visceral pericardium
d. lines the heart chambers
e. is the pacemaker of the heart
ANSWER
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5. This statement about the epicardium is true:
Anatomy: $200 Answer
This statement about the epicardium is true:
a. is also known as the parietal pericardium
b. is a layer of cardiac muscle
c. is the visceral pericardium
d. lines the heart chambers
e. is the pacemaker of the heart
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6. a. musculi pectinati (pectinate muscle) b. chordae tendineae
Anatomy: $300 Question
Strong connective tissue strings that are attached to papillary muscles and to the cusps of the atrioventricular valves are called this:
a. musculi pectinati (pectinate muscle)
b. chordae tendineae
c. trabeculae carneae
d. the skeleton of the heart
e. the interventricular septum
ANSWER
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7. a. musculi pectinati (pectinate muscle) b. chordae tendineae
Anatomy: $300 Answer
Strong connective tissue strings that are attached to papillary muscles and to the cusps of the atrioventricular valves are called this:
a. musculi pectinati (pectinate muscle)
b. chordae tendineae
c. trabeculae carneae
d. the skeleton of the heart
e. the interventricular septum
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8. Anatomy: $400 Question
Given these valves: 1. aortic semilunar valve 2. bicuspid (mitral) valve 3. pulmonary semilunar valve 4. tricuspid valve Arrange them in the order in which an erythrocyte would pass through them after returning to the heart from the left arm.
a. 1,2,3,4 c. 4,3,2,1
b. 2,3,1,4 d. 3,1,2,4
ANSWER
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9. Anatomy: $400 Answer
Given these valves: 1. aortic semilunar valve 2. bicuspid (mitral) valve 3. pulmonary semilunar valve 4. tricuspid valve Arrange them in the order in which an erythrocyte would pass through them after returning to the heart from the left arm.
a. 1,2,3,4 c. 4,3,2,1
b. 2,3,1,4 d. 3,1,2,4
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10. a. left atrium and posterior left ventricle
Anatomy: $500 Question
A blood clot in the anterior interventricular artery would cause a myocardial infarction in this area:
a. left atrium and posterior left ventricle
b. anterior walls of the left and right ventricles, and interventricular septum
c. posterior walls of the left and right ventricles
d. lateral walls of the right atrium and right ventricle
ANSWER
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11. a. left atrium and posterior left ventricle
Anatomy: $500 Answer
A blood clot in the anterior interventricular artery would cause a myocardial infarction in this area:
a. left atrium and posterior left ventricle
b. anterior walls of the left and right ventricles, and interventricular septum
c. posterior walls of the left and right ventricles
d. lateral walls of the right atrium and right ventricle
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12. This statement describes the skeleton of the heart:
Histology: $100 Question
This statement describes the skeleton of the heart:
a. electrically insulates the atria from the ventricles
b. is composed of bones and cartilage
c. is the location of the pacemaker
d. is composed of calcified cardiac muscle
ANSWER
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13. This statement describes the skeleton of the heart:
Histology: $100 Answer
This statement describes the skeleton of the heart:
a. electrically insulates the atria from the ventricles
b. is composed of bones and cartilage
c. is the location of the pacemaker
d. is composed of calcified cardiac muscle
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14. This structure is NOT present in cardiac muscle cells: a. desmosomes
Histology: $200 Question
This structure is NOT present in cardiac muscle cells:
a. desmosomes
b. gap junctions
c. smooth sarcoplasmic reticulum
d. terminal cisternae
e. transverse (T) tubules
ANSWER
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15. This structure is NOT present in cardiac muscle cells: a. desmosomes
Histology: $200 Answer
This structure is NOT present in cardiac muscle cells:
a. desmosomes
b. gap junctions
c. smooth sarcoplasmic reticulum
d. terminal cisternae
e. transverse (T) tubules
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16. Intercalated discs include these structures:
Histology: $300 Question
Intercalated discs include these structures:
a. gap junctions, desmosomes, interdigitating folds
b. gap junctions, tight junctions, t tubules
c. gap junctions, desmosomes, t tubules
d. sarcoplasmic reticulum, interdigitating folds
ANSWER
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17. Intercalated discs include these structures:
Histology: $300 Answer
Intercalated discs include these structures:
a. gap junctions, desmosomes, interdigitating folds
b. gap junctions, tight junctions, t tubules
c. gap junctions, desmosomes, t tubules
d. sarcoplasmic reticulum, interdigitating folds
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18. Histology: $400 Question
Damage to cells of the AV bundle would prevent the cardiac impulse from reaching this:
a. SA node
b. atria
c. AV node
d. ventricles
ANSWER
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19. Histology: $400 Answer
Damage to cells of the AV bundle would prevent the cardiac impulse from reaching this:
a. SA node
b. atria
c. AV node
d. ventricles
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20. Histology: $500 Question
Given these structures of the conduction system of the heart: 1. atrioventricular bundle 2. AV node 3. bundle branches 4. Purkinje fibers 5. SA node Choose the arrangement that lists the structures in the order an action potential passes through them.
a. 2,5,1,3,4 c. 5,2,1,3,4
b. 2,5,3,1,4 d. 2,5,4,1,3
ANSWER
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21. Histology: $500 Answer
Given these structures of the conduction system of the heart: 1. atrioventricular bundle 2. AV node 3. bundle branches 4. Purkinje fibers 5. SA node Choose the arrangement that lists the structures in the order an action potential passes through them.
a. 2,5,1,3,4 c. 5,2,1,3,4
b. 2,5,3,1,4 d. 2,5,4,1,3
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22. Electrical Properties: $100 Question
The resting membrane potential (RMP) depends upon this:
a. low permeability to Na
b. high permeability to K
c. low permeability to Ca
d. all of these
e. none of these
ANSWER
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23. Electrical Properties: $100 Answer
The resting membrane potential (RMP) depends upon this:
a. low permeability to Na
b. high permeability to K
c. low permeability to Ca
d. all of these
e. none of these
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24. Electrical Properties: $200 Question
In cardiac muscle cells rapid depolarization is caused by the opening of this:
a. voltage-gated Ca2+ ion channels
b. voltage-gated K+ ion channels
c. voltage-gated Na+ ion channels
d. b and c
ANSWER
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25. Electrical Properties: $200 Answer
In cardiac muscle cells rapid depolarization is caused by the opening of this:
a. voltage-gated Ca2+ ion channels
b. voltage-gated K+ ion channels
c. voltage-gated Na+ ion channels
d. b and c
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26. Electrical Properties: $300 Question
This is the normal rate of spontaneous depolarization of the SA node:
a per minute
b per minute
c per minute
d. over 100 per minute
ANSWER
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27. Electrical Properties: $300 Answer
This is the normal rate of spontaneous depolarization of the SA node:
a per minute
b per minute
c per minute
d. over 100 per minute
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28. Electrical Properties: $400 Question
In an EKG, the P wave represents this:
a. depolarization of the atria
b. repolarization of the atria
c. depolarization of the ventricles
d. repolarization of the ventricles
ANSWER
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29. Electrical Properties: $400 Answer
In an EKG, the P wave represents this:
a. depolarization of the atria
b. repolarization of the atria
c. depolarization of the ventricles
d. repolarization of the ventricles
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30. Electrical Properties: $500 Question
This condition observed in an ECG suggests that the AV node is not conducting action potentials:
a. complete lack of the P wave
b. complete lack of the QRS complex
c. more QRS complexes than P waves
d. P waves and QRS complexes are not synchronized
e. a prolonged PR interval
ANSWER
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31. Electrical Properties: $500 Answer
This condition observed in an ECG suggests that the AV node is not conducting action potentials:
a. complete lack of the P wave
b. complete lack of the QRS complex
c. more QRS complexes than P waves
d. P waves and QRS complexes are not synchronized
e. a prolonged PR interval
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32. Cardiac Cycle: $100 Question
Contraction of the atrial myocardium is called this:
a. atrial systole
b. atrial diastole
c. ventricular systole
d. ventricular diastole
ANSWER
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33. Cardiac Cycle: $100 Answer
Contraction of the atrial myocardium is called this:
a. atrial systole
b. atrial diastole
c. ventricular systole
d. ventricular diastole
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34. Cardiac Cycle: $200 Question
During the period of ejection in the cardiac cycle, the atrioventricular valves are __________ and the semilunar valves are __________ .
a. closed, closed
b. closed, open
c. open, closed
d. open, open
ANSWER
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35. Cardiac Cycle: $200 Answer
During the period of ejection in the cardiac cycle, the atrioventricular valves are __________ and the semilunar valves are __________ .
a. closed, closed
b. closed, open
c. open, closed
d. open, open
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36. Cardiac Cycle: $300 Question
Blood flows neither into nor out of the ventricles during this:
a. the period of isovolumic contraction
b. the period of isovolumic relaxation
c. diastole
d. systole
e. both a and b
ANSWER
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37. Cardiac Cycle: $300 Answer
Blood flows neither into nor out of the ventricles during this:
a. the period of isovolumic contraction
b. the period of isovolumic relaxation
c. diastole
d. systole
e. both a and b
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38. Cardiac Cycle: $400 Question
Cardiac output is defined as this:
a. blood pressure times peripheral resistance
b. peripheral resistance times heart rate
c. heart rate times stroke volume
d. stroke volume times blood pressure
e. blood pressure minus peripheral resistance
ANSWER
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39. Cardiac Cycle: $400 Answer
Cardiac output is defined as this:
a. blood pressure times peripheral resistance
b. peripheral resistance times heart rate
c. heart rate times stroke volume
d. stroke volume times blood pressure
e. blood pressure minus peripheral resistance
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40. Cardiac Cycle: $500 Question
In a person who has a damaged left ventricle due to a heart attack, they would experience this:
a. left ventricle pumps less blood than the right
b. blood accumulates in the pulmonary vessels
c. blood accumulates in the systemic vessels
d. won’t have any effect
e. a and b
ANSWER
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41. Cardiac Cycle: $500 Answer
In a person who has a damaged left ventricle due to a heart attack, they would experience this:
a. left ventricle pumps less blood than the right
b. blood accumulates in the pulmonary vessels
c. blood accumulates in the systemic vessels
d. won’t have any effect
e. a and b
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42. This occurs at the same time as atrial systole:
Grab Bag: $100 Question
This occurs at the same time as atrial systole:
a. the ventricles are also in systole
b. the atrioventricular valves are closed
c. blood is being pumped into the aorta and pulmonary trunk
d. blood is being pumped into the ventricles
ANSWER
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43. This occurs at the same time as atrial systole:
Grab Bag: $100 Answer
This occurs at the same time as atrial systole:
a. the ventricles are also in systole
b. the atrioventricular valves are closed
c. blood is being pumped into the aorta and pulmonary trunk
d. blood is being pumped into the ventricles
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44. This is the effect of norepinephrine on the heart:
Grab Bag: $200 Question
This is the effect of norepinephrine on the heart:
a. decreases the rate and strength of contraction
b. increases the rate and strength of contraction
c. decreases the amount of blood pumped per minute
d. has no effect on the heart
ANSWER
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45. This is the effect of norepinephrine on the heart:
Grab Bag: $200 Answer
This is the effect of norepinephrine on the heart:
a. decreases the rate and strength of contraction
b. increases the rate and strength of contraction
c. decreases the amount of blood pumped per minute
d. has no effect on the heart
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46. This structure returns blood to the right atrium: a. coronary sinus
Grab Bag: $300 Question
This structure returns blood to the right atrium:
a. coronary sinus
b. inferior vena cava
c. superior vena cava
d. both b and c
e. all of the above
ANSWER
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47. This structure returns blood to the right atrium: a. coronary sinus
Grab Bag: $300 Answer
This structure returns blood to the right atrium:
a. coronary sinus
b. inferior vena cava
c. superior vena cava
d. both b and c
e. all of the above
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48. b. increased stroke volume
Grab Bag: $400 Question
A decrease in blood pH and an increase in blood carbon dioxide levels result in this:
a. increased heart rate
b. increased stroke volume
c. increased sympathetic stimulation of the heart
d. increased cardiac output
e. all of the above
ANSWER
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49. b. increased stroke volume
Grab Bag: $400 Answer
A decrease in blood pH and an increase in blood carbon dioxide levels result in this:
a. increased heart rate
b. increased stroke volume
c. increased sympathetic stimulation of the heart
d. increased cardiac output
e. all of the above
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50. Grab Bag: $500 Question
Damage to this part of the brain would cause the body to have less control over cardiac activity:
a. cerebral cortex
b. thalamus
c. basal nuclei
d. medulla oblongata
ANSWER
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51. Grab Bag: $500 Answer
Damage to this part of the brain would cause the body to have less control over cardiac activity:
a. cerebral cortex
b. thalamus
c. basal nuclei
d. medulla oblongata
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52. a. coronary sinus; left atrium b. coronary sinus; right atrium
FINAL ROUND Question
All cardiac veins empty into the ______, which then empties into the ______.
a. coronary sinus; left atrium
b. coronary sinus; right atrium
c. great cardiac vein; right atrium
d. great cardiac vein; left atrium
ANSWER
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53. a. coronary sinus; left atrium b. coronary sinus; right atrium
FINAL ROUND Answer
All cardiac veins empty into the ______, which then empties into the ______.
a. coronary sinus; left atrium
b. coronary sinus; right atrium
c. great cardiac vein; right atrium
d. great cardiac vein; left atrium
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