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

Heart Anatomy:

$100 Question

Cardiac muscle is found in which layer of the heart?

a. endocardium

b. myocardium

c. epicardium

d. pericardiumBACK TO GAME

ANSWER

Heart Anatomy:

$100 Answer

Cardiac muscle is found in which layer of the heart?

a. endocardium

b. myocardium

c. epicardium

d. pericardiumBACK TO GAME

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

Heart Anatomy:

$200 Answer

This valve is found between the right atrium and the right ventricle.

a. mitral

b. tricuspid

c. bicuspid

d. semilunarBACK TO GAME

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

Heart Anatomy:

$300 Answer

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

Heart Anatomy:

$400 Question

These structures prevent prolapse of the atrioventricular valves.

a. chordae tendinae

b. crista terminalis

c. trabeculae carneae

d. intercalated discsBACK TO GAME

ANSWER

Heart Anatomy:

$400 Answer

These structures prevent prolapse of the atrioventricular valves.

a. chordae tendinae

b. crista terminalis

c. trabeculae carneae

d. intercalated discsBACK TO GAME

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 tendinaeBACK TO GAME

ANSWER

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 tendinaeBACK TO GAME

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

Pathway of blood:

$100 Answer

Blood is carried to the heart by these vessels.

a. arteries

b. veins

c. auricles

d. capillariesBACK TO GAME

Pathway of blood:

$200 Question

All oxygenated blood returns to the heart via the:

a. pulmonary artery

b. pulmonary veins

c. Aorta

d. vena cavaeBACK TO GAME

ANSWER

Pathway of blood:

$200 Answer

All oxygenated blood returns to the heart via the:

a. pulmonary artery

b. pulmonary veins

c. Aorta

d. vena cavaeBACK TO GAME

Pathway of blood:

$300 Question

Blood being pumped out of the left ventricle enters the:

a. pulmonary artery

b. aorta

c. coronary sinus

d. vena cavaeBACK TO GAME

ANSWER

Pathway of blood:

$300 Answer

Blood being pumped out of the left ventricle enters the:

a. pulmonary artery

b. aorta

c. coronary sinus

d. vena cavaeBACK TO GAME

Pathway of blood:

$400 Question

Blood is prevented from flowing back into the left ventricle by the:

a. semilunar valve

b. tricuspid valve

c. chordae tendinae

d. mitral valveBACK TO GAME

ANSWER

Pathway of blood:

$400 Answer

Blood is prevented from flowing back into the left ventricle by the:

a. semilunar valve

b. tricuspid valve

c. chordae tendinae

d. mitral valveBACK TO GAME

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 cavaBACK TO GAME

ANSWER

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 cavaBACK TO GAME

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

Heart Conduction:

$100 Answer

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

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

Heart Conduction:

$200 Answer

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

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. ST segmentBACK TO GAME

ANSWER

Heart Conduction:

$300 Answer

Atrial repolarization occurs during this period of time seen on an EKG.

a. P wave

b. QRS complex

c. T wave

d. ST segmentBACK TO GAME

Heart Conduction:

$400 Question

The entire ventricular myocardium is depolarized during this time on an EKG.

a. ST segment

b. QT interval

c. QRS complex

d. T waveBACK TO GAME

ANSWER

Heart Conduction:

$400 Answer

The entire ventricular myocardium is depolarized during this time on an EKG.

a. ST segment

b. QT interval

c. QRS complex

d. T waveBACK TO GAME

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 HisBACK TO GAME

ANSWER

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 HisBACK TO GAME

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

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

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

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

Cardiac Cycle:

$300 Question

Blood flow during ventricular filling is most dependant upon

a. pressure changes

b. pumping action

c. concentration gradient

d. conduction systemBACK TO GAME

ANSWER

Cardiac Cycle:

$300 Answer

Blood flow during ventricular filling is most dependant upon

a. pressure changes

b. pumping action

c. concentration gradient

d. conduction systemBACK TO GAME

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

Cardiac Cycle:

$400 Answer

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

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

Cardiac Cycle:

$500 Answer

The greatest decrease in ventricular pressure occurs at this time.

a. isovolumetric contraction

b. isovolumetric relaxation

c. ventricular systole

d. ventricular fillingBACK TO GAME

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 volumeBACK TO GAME

ANSWER

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 volumeBACK TO GAME

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

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

Cardiac Output and Control:

$300 Question

An increase in end diastolic volume would have which effect on cardiac ouput.

a. increase

b. decrease

c. no effect

d. varies from person to person

BACK TO GAME

ANSWER

Cardiac Output and Control:

$300 Answer

An increase in end diastolic volume would have which effect on cardiac ouput.

a. increase

b. decrease

c. no effect

d. varies from person to person

BACK TO GAME

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 gatesBACK TO GAME

ANSWER

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 gatesBACK TO GAME

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 volumeBACK TO GAME

ANSWER

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 volumeBACK TO GAME

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 are increased

BACK TO GAME

ANSWER

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 are increased

BACK TO GAME