The Heart

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Anatomy

FINAL ROUND

Histology Electrical Properties

Cardiac Cycle

Grab Bag

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

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ANSWER

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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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 heartBACK TO GAME

ANSWER

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 heartBACK TO GAME

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 BACK TO GAME

ANSWER

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 septumBACK TO GAME

Anatomy:

$400 Question

Given these valves:

1. aortic semilunar valve 2. bicuspid (mitral) valve 3. pulmonary semilunar valve 4. tricuspid valveArrange 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 BACK TO GAME

ANSWER

Anatomy:

$400 Answer

Given these valves:

1. aortic semilunar valve 2. bicuspid (mitral) valve 3. pulmonary semilunar valve 4. tricuspid valveArrange 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 BACK TO GAME

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

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ANSWER

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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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

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ANSWER

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 BACK TO GAME

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) tubulesBACK TO GAME

ANSWER

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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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 BACK TO GAME

ANSWER

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 BACK TO GAME

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

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ANSWER

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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Histology:

$500 Question

Given these structures of the conduction system of the heart:1. atrioventricular bundle2. AV node3. bundle branches4. Purkinje fibers5. SA nodeChoose 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 BACK TO GAME

ANSWER

Histology:

$500 Answer

Given these structures of the conduction system of the heart:1. atrioventricular bundle2. AV node3. bundle branches4. Purkinje fibers5. SA nodeChoose 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 BACK TO GAME

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

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ANSWER

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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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

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ANSWER

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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Electrical Properties:

$300 Question

This is the normal rate of spontaneous depolarization of the SA node:

a. 20 - 40 per minute

b. 40 - 60 per minute

c. 70 - 80 per minute

d. over 100 per minute

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ANSWER

Electrical Properties:

$300 Answer

This is the normal rate of spontaneous depolarization of the SA node:

a. 20 - 40 per minute

b. 40 - 60 per minute

c. 70 - 80 per minute

d. over 100 per minute

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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

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ANSWER

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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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 intervalBACK TO GAME

ANSWER

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 BACK TO GAME

Cardiac Cycle:

$100 Question

Contraction of the atrial myocardium is called this:

a. atrial systole

b. atrial diastole

c. ventricular systole

d. ventricular diastole

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ANSWER

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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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, openBACK TO GAME

ANSWER

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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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 bBACK TO GAME

ANSWER

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 bBACK TO GAME

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

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ANSWER

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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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 BACK TO GAME

ANSWER

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 bBACK TO GAME

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

BACK TO GAME

ANSWER

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 BACK TO GAME

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 BACK TO GAME

ANSWER

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 BACK TO GAME

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 aboveBACK TO GAME

ANSWER

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 aboveBACK TO GAME

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 aboveBACK TO GAME

ANSWER

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 aboveBACK TO GAME

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

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ANSWER

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

BACK TO GAME

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

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ANSWER

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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