Chapter 18 - The Cardiovascular System: The Heart
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Transcript of Chapter 18 - The Cardiovascular System: The Heart
![Page 1: Chapter 18 - The Cardiovascular System: The Heart](https://reader034.fdocuments.in/reader034/viewer/2022051518/56815a9c550346895dc81e75/html5/thumbnails/1.jpg)
Chapter 18 - The Cardiovascular System: The Heart
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Heart Anatomy
Pathway of Blood
Heart Conduction
Cardiac Cycle
Cardiac Output and
Control
FINAL ROUND
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Heart Anatomy:
$100 Question
Cardiac muscle tissue is found in which layer of the heart?
a. Endocardium
b. Myocardium
c. Epicardium
d. PericardiumBACK TO GAME
ANSWER
![Page 3: Chapter 18 - The Cardiovascular System: The Heart](https://reader034.fdocuments.in/reader034/viewer/2022051518/56815a9c550346895dc81e75/html5/thumbnails/3.jpg)
Heart Anatomy:
$100 Answer
Cardiac muscle tissue is found in which layer of the heart?
a. Endocardium
b. Myocardiumc. Epicardium
d. PericardiumBACK TO GAME
![Page 4: Chapter 18 - The Cardiovascular System: The Heart](https://reader034.fdocuments.in/reader034/viewer/2022051518/56815a9c550346895dc81e75/html5/thumbnails/4.jpg)
Heart Anatomy:
$200 Question
This valve is found between the right atrium and the right ventricle.
a. Mitral
b. Tricuspid
c. Bicuspid
d. SemilunarBACK TO GAME
ANSWER
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Heart Anatomy:
$200 Answer
This valve is found between the right atrium and the right ventricle.
a. Mitral
b. Tricuspidc. Bicuspid
d. SemilunarBACK TO GAME
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Heart Anatomy:
$300 Question
The anterior surface of the heart consists mostly of this chamber.
a. Right atrium
b. Left atrium
c. Right ventricle
d. Left ventricleBACK TO GAME
ANSWER
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Heart Anatomy:
$300 Answer
The anterior surface of the heart consists mostly of this chamber.
a. Right atrium
b. Left atrium
c. Right ventricled. Left ventricle
BACK TO GAME
![Page 8: Chapter 18 - The Cardiovascular System: The Heart](https://reader034.fdocuments.in/reader034/viewer/2022051518/56815a9c550346895dc81e75/html5/thumbnails/8.jpg)
Heart Anatomy:
$400 Question
These structures prevent prolapse of the atrioventricular valves.
a. Chordae tendineae
b. Crista terminalis
c. Trabeculae carneae
d. Intercalated discsBACK TO GAME
ANSWER
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Heart Anatomy:
$400 Answer
These structures prevent prolapse of the atrioventricular valves.
a. Chordae tendineaeb. Crista terminalis
c. Trabeculae carneae
d. Intercalated discsBACK TO GAME
![Page 10: Chapter 18 - The Cardiovascular System: The Heart](https://reader034.fdocuments.in/reader034/viewer/2022051518/56815a9c550346895dc81e75/html5/thumbnails/10.jpg)
Heart Anatomy:
$500 Question
All of these structures can be identified in the ventricles except:
a. trabeculae carneae.
b. papillary muscles.
c. pectinate muscles.
d. chordae tendineae.BACK TO GAME
ANSWER
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Heart Anatomy:
$500 Answer
All of these structures can be identified in the ventricles except:
a. trabeculae carneae.
b. papillary muscles.
c. pectinate muscles.d. chordae tendineae.
BACK TO GAME
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Pathway of Blood:
$100 Question
Blood is carried to the heart by these vessels.
a. Arteries
b. Veins
c. Auricles
d. CapillariesBACK TO GAME
ANSWER
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Pathway of Blood:
$100 Answer
Blood is carried to the heart by these vessels.
a. Arteries
b. Veinsc. Auricles
d. CapillariesBACK TO GAME
![Page 14: Chapter 18 - The Cardiovascular System: The Heart](https://reader034.fdocuments.in/reader034/viewer/2022051518/56815a9c550346895dc81e75/html5/thumbnails/14.jpg)
Pathway of Blood:
$200 Question
All oxygenated blood returns to the heart via the:
a. pulmonary artery.
b. pulmonary veins.
c. aorta.
d. venae cavae.BACK TO GAME
ANSWER
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Pathway of Blood:
$200 Answer
All oxygenated blood returns to the heart via the:
a. pulmonary artery.
b. pulmonary veins.c. aorta.
d. venae cavae.BACK TO GAME
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Pathway of Blood:
$300 Question
Blood being pumped out of the left ventricle enters the:
a. pulmonary artery.
b. aorta.
c. coronary sinus.
d. venae cavae.BACK TO GAME
ANSWER
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Pathway of Blood:
$300 Answer
Blood being pumped out of the left ventricle enters the:
a. pulmonary artery.
b. aorta.c. coronary sinus.
d. venae cavae.BACK TO GAME
![Page 18: Chapter 18 - The Cardiovascular System: The Heart](https://reader034.fdocuments.in/reader034/viewer/2022051518/56815a9c550346895dc81e75/html5/thumbnails/18.jpg)
Pathway of Blood:
$400 Question
Blood is prevented from flowing back into the left ventricle by the:
a. aortic semilunar valve.
b. tricuspid valve.
c. pulmonary semilunar valve.
d. mitral valve.BACK TO GAME
ANSWER
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Pathway of Blood:
$400 Answer
Blood is prevented from flowing back into the left ventricle by the:
a. aortic semilunar valve.b. tricuspid valve.
c. pulmonary semilunar valve.
d. mitral valve.BACK TO GAME
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Pathway of Blood:
$500 Question
Deoxygenated blood from the myocardium enters the right atrium through the:
a. cardiac veins.
b. coronary arteries.
c. coronary sinus.
d. superior vena cava.BACK TO GAME
ANSWER
![Page 21: Chapter 18 - The Cardiovascular System: The Heart](https://reader034.fdocuments.in/reader034/viewer/2022051518/56815a9c550346895dc81e75/html5/thumbnails/21.jpg)
Pathway of Blood:
$500 Answer
Deoxygenated blood from the myocardium enters the right atrium through the:
a. cardiac veins.
b. coronary arteries.
c. coronary sinus.d. superior vena cava.
BACK TO GAME
![Page 22: Chapter 18 - The Cardiovascular System: The Heart](https://reader034.fdocuments.in/reader034/viewer/2022051518/56815a9c550346895dc81e75/html5/thumbnails/22.jpg)
Heart Conduction:
$100 Question
This area is known as the pacemaker of the heart.
a. AV node
b. SA node
c. Bundle of His
d. Purkinje fibersBACK TO GAME
ANSWER
![Page 23: Chapter 18 - The Cardiovascular System: The Heart](https://reader034.fdocuments.in/reader034/viewer/2022051518/56815a9c550346895dc81e75/html5/thumbnails/23.jpg)
Heart Conduction:
$100 Answer
This area is known as the pacemaker of the heart.
a. AV nodeb. SA node
c. Bundle of His
d. Purkinje fibersBACK TO GAME
![Page 24: Chapter 18 - The Cardiovascular System: The Heart](https://reader034.fdocuments.in/reader034/viewer/2022051518/56815a9c550346895dc81e75/html5/thumbnails/24.jpg)
Heart Conduction:
$200 Question
The bundle of His is located here.
a. Interatrial septum
b. Interventricular septum
c. Floor of the right atrium
d. Apex of the heart
BACK TO GAME
ANSWER
![Page 25: Chapter 18 - The Cardiovascular System: The Heart](https://reader034.fdocuments.in/reader034/viewer/2022051518/56815a9c550346895dc81e75/html5/thumbnails/25.jpg)
Heart Conduction:
$200 Answer
The bundle of His is located here.
a. Interatrial septum
b. Interventricular septumc. Floor of the right atrium
d. Apex of the heart
BACK TO GAME
![Page 26: Chapter 18 - The Cardiovascular System: The Heart](https://reader034.fdocuments.in/reader034/viewer/2022051518/56815a9c550346895dc81e75/html5/thumbnails/26.jpg)
Heart Conduction:
$300 Question
Atrial repolarization occurs during this period of time, seen on an EKG.
a. P wave
b. QRS complex
c. T wave
d. S-T segmentBACK TO GAME
ANSWER
![Page 27: Chapter 18 - The Cardiovascular System: The Heart](https://reader034.fdocuments.in/reader034/viewer/2022051518/56815a9c550346895dc81e75/html5/thumbnails/27.jpg)
Heart Conduction:
$300 Answer
Atrial repolarization occurs during this period of time, seen on an EKG.
a. P wave
b. QRS complexc. T wave
d. S-T segmentBACK TO GAME
![Page 28: Chapter 18 - The Cardiovascular System: The Heart](https://reader034.fdocuments.in/reader034/viewer/2022051518/56815a9c550346895dc81e75/html5/thumbnails/28.jpg)
Heart Conduction:
$400 Question
The entire ventricular myocardium is depolarized during this time on an EKG.
a. S-T segment
b. Q-T interval
c. QRS complex
d. T waveBACK TO GAME
ANSWER
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Heart Conduction:
$400 Answer
The entire ventricular myocardium is depolarized during this time on an EKG.
a. S-T segmentb. Q-T interval
c. QRS complex
d. T waveBACK TO GAME
![Page 30: Chapter 18 - The Cardiovascular System: The Heart](https://reader034.fdocuments.in/reader034/viewer/2022051518/56815a9c550346895dc81e75/html5/thumbnails/30.jpg)
Heart Conduction:
$500 Question
Nerve impulses are directly supplied to the papillary muscles by the:
a. SA node.
b. Purkinje fibers.
c. AV node.
d. bundle of His.BACK TO GAME
ANSWER
![Page 31: Chapter 18 - The Cardiovascular System: The Heart](https://reader034.fdocuments.in/reader034/viewer/2022051518/56815a9c550346895dc81e75/html5/thumbnails/31.jpg)
Heart Conduction:
$500 Answer
Nerve impulses are directly supplied to the papillary muscles by the:
a. SA node.
b. Purkinje fibers.c. AV node.
d. bundle of His.BACK TO GAME
![Page 32: Chapter 18 - The Cardiovascular System: The Heart](https://reader034.fdocuments.in/reader034/viewer/2022051518/56815a9c550346895dc81e75/html5/thumbnails/32.jpg)
Cardiac Cycle:
$100 Question
The lub-dup heart sounds heard during auscultation of the heart are associated with:
a. the SA node firing.b. the heart valves opening.c. the heart valves closing.d. blood flowing from the
atria to the ventricles.BACK TO GAME
ANSWER
![Page 33: Chapter 18 - The Cardiovascular System: The Heart](https://reader034.fdocuments.in/reader034/viewer/2022051518/56815a9c550346895dc81e75/html5/thumbnails/33.jpg)
Cardiac Cycle:
$100 Answer
The lub-dup heart sounds heard during auscultation of the heart are associated with:
a. the SA node firing.b. the heart valves opening.c. the heart valves closing.d. blood flowing from the
atria to the ventricles.BACK TO GAME
![Page 34: Chapter 18 - The Cardiovascular System: The Heart](https://reader034.fdocuments.in/reader034/viewer/2022051518/56815a9c550346895dc81e75/html5/thumbnails/34.jpg)
Cardiac Cycle:
$200 Question
All four heart valves are closed during this time.
a. All of ventricular systole
b. All of ventricular diastole
c. Ventricular ejection
d. Isovolumetric contractionBACK TO GAME
ANSWER
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Cardiac Cycle:
$200 Answer
All four heart valves are closed during this time.
a. All of ventricular systole
b. All of ventricular diastole
c. Ventricular ejection
d. Isovolumetric contractionBACK TO GAME
![Page 36: Chapter 18 - The Cardiovascular System: The Heart](https://reader034.fdocuments.in/reader034/viewer/2022051518/56815a9c550346895dc81e75/html5/thumbnails/36.jpg)
Cardiac Cycle:
$300 Question
Blood flow during ventricular filling is most dependent upon ________.
a. pressure changes
b. pumping actions
c. concentration gradients
d. the conduction systemBACK TO GAME
ANSWER
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Cardiac Cycle:
$300 Answer
Blood flow during ventricular filling is most dependent upon ________.
a. pressure changesb. pumping actions
c. concentration gradients
d. the conduction systemBACK TO GAME
![Page 38: Chapter 18 - The Cardiovascular System: The Heart](https://reader034.fdocuments.in/reader034/viewer/2022051518/56815a9c550346895dc81e75/html5/thumbnails/38.jpg)
Cardiac Cycle:
$400 Question
During which part of the cardiac cycle would pressure in the ventricle be at its lowest?
a. Mid-diastole
b. Isovolumetric contraction
c. Ventricular ejection
d. Late systoleBACK TO GAME
ANSWER
![Page 39: Chapter 18 - The Cardiovascular System: The Heart](https://reader034.fdocuments.in/reader034/viewer/2022051518/56815a9c550346895dc81e75/html5/thumbnails/39.jpg)
Cardiac Cycle:
$400 Answer
During which part of the cardiac cycle would pressure in the ventricle be at its lowest?
a. Mid-diastoleb. Isovolumetric contraction
c. Ventricular ejection
d. Late systoleBACK TO GAME
![Page 40: Chapter 18 - The Cardiovascular System: The Heart](https://reader034.fdocuments.in/reader034/viewer/2022051518/56815a9c550346895dc81e75/html5/thumbnails/40.jpg)
Cardiac Cycle:
$500 Question
The greatest decrease in ventricular pressure occurs at this time.
a. Isovolumetric contraction
b. Isovolumetric relaxation
c. Ventricular systole
d. Ventricular fillingBACK TO GAME
ANSWER
![Page 41: Chapter 18 - The Cardiovascular System: The Heart](https://reader034.fdocuments.in/reader034/viewer/2022051518/56815a9c550346895dc81e75/html5/thumbnails/41.jpg)
Cardiac Cycle:
$500 Answer
The greatest decrease in ventricular pressure occurs at this time.
a. Isovolumetric contraction
b. Isovolumetric relaxationc. Ventricular systole
d. Ventricular fillingBACK TO GAME
![Page 42: Chapter 18 - The Cardiovascular System: The Heart](https://reader034.fdocuments.in/reader034/viewer/2022051518/56815a9c550346895dc81e75/html5/thumbnails/42.jpg)
Cardiac Output and Control:
$100 Question
The amount of blood pumped out of each ventricle in one minute is called:
a. stroke volume.
b. cardiac output.
c. cardiac reserve.
d. end diastolic volume.BACK TO GAME
ANSWER
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Cardiac Output and Control:
$100 Answer
The amount of blood pumped out of each ventricle in one minute is called:
a. stroke volume.
b. cardiac output.c. cardiac reserve.
d. end diastolic volume.BACK TO GAME
![Page 44: Chapter 18 - The Cardiovascular System: The Heart](https://reader034.fdocuments.in/reader034/viewer/2022051518/56815a9c550346895dc81e75/html5/thumbnails/44.jpg)
Cardiac Output and Control:
$200 Question
An increase in heart rate by the sympathetic nervous system is a:
a. positive inotropic effect.
b. negative inotropic effect.
c. positive chronotropic effect.
d. negative chronotropic effect.
BACK TO GAME
ANSWER
![Page 45: Chapter 18 - The Cardiovascular System: The Heart](https://reader034.fdocuments.in/reader034/viewer/2022051518/56815a9c550346895dc81e75/html5/thumbnails/45.jpg)
Cardiac Output and Control:
$200 Answer
An increase in heart rate by the sympathetic nervous system is a:
a. positive inotropic effect.
b. negative inotropic effect.
c. positive chronotropic effect.d. negative chronotropic
effect.BACK TO GAME
![Page 46: Chapter 18 - The Cardiovascular System: The Heart](https://reader034.fdocuments.in/reader034/viewer/2022051518/56815a9c550346895dc81e75/html5/thumbnails/46.jpg)
Cardiac Output and Control:
$300 Question
An increase in end diastolic volume would have which effect on cardiac output?
a. Increase
b. Decrease
c. No effect
d. Varies from person to person
BACK TO GAME
ANSWER
![Page 47: Chapter 18 - The Cardiovascular System: The Heart](https://reader034.fdocuments.in/reader034/viewer/2022051518/56815a9c550346895dc81e75/html5/thumbnails/47.jpg)
Cardiac Output and Control:
$300 Answer
An increase in end diastolic volume would have which effect on cardiac output?
a. Increaseb. Decrease
c. No effect
d. Varies from person to person
BACK TO GAME
![Page 48: Chapter 18 - The Cardiovascular System: The Heart](https://reader034.fdocuments.in/reader034/viewer/2022051518/56815a9c550346895dc81e75/html5/thumbnails/48.jpg)
Cardiac Output and Control:
$400 Question
The parasympathetic nervous system decreases heart rate by:
a. releasing norepinephrine.
b. opening sodium gates.
c. closing sodium gates.
d. opening potassium gates.BACK TO GAME
ANSWER
![Page 49: Chapter 18 - The Cardiovascular System: The Heart](https://reader034.fdocuments.in/reader034/viewer/2022051518/56815a9c550346895dc81e75/html5/thumbnails/49.jpg)
Cardiac Output and Control:
$400 Answer
The parasympathetic nervous system decreases heart rate by:
a. releasing norepinephrine.
b. opening sodium gates.
c. closing sodium gates.
d. opening potassium gates.BACK TO GAME
![Page 50: Chapter 18 - The Cardiovascular System: The Heart](https://reader034.fdocuments.in/reader034/viewer/2022051518/56815a9c550346895dc81e75/html5/thumbnails/50.jpg)
Cardiac Output and Control:
$500 Question
The most important factor for stretching cardiac muscle is:
a. heart rate.
b. end systolic volume.
c. end diastolic volume.
d. stroke volume.BACK TO GAME
ANSWER
![Page 51: Chapter 18 - The Cardiovascular System: The Heart](https://reader034.fdocuments.in/reader034/viewer/2022051518/56815a9c550346895dc81e75/html5/thumbnails/51.jpg)
Cardiac Output and Control:
$500 Answer
The most important factor for stretching cardiac muscle is:
a. heart rate.
b. end systolic volume.
c. end diastolic volume.d. stroke volume.
BACK TO GAME
![Page 52: Chapter 18 - The Cardiovascular System: The Heart](https://reader034.fdocuments.in/reader034/viewer/2022051518/56815a9c550346895dc81e75/html5/thumbnails/52.jpg)
FINAL ROUND Question
Hypertension can decrease cardiac output by directly causing an increase in:
a. end systolic volume.
b. end diastolic volume.
c. stroke volume.
d. all three volumes above.
BACK TO GAME
ANSWER
![Page 53: Chapter 18 - The Cardiovascular System: The Heart](https://reader034.fdocuments.in/reader034/viewer/2022051518/56815a9c550346895dc81e75/html5/thumbnails/53.jpg)
FINAL ROUND Answer
Hypertension can decrease cardiac output by directly causing an increase in:
a. end systolic volume.b. end diastolic volume.
c. stroke volume.
d. all three volumes above.
BACK TO GAME