Download The Heart

The Heart
Anatomy
Histology
Electrical
Properties
Cardiac
Cycle
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FINAL ROUND
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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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 heart
ANSWER
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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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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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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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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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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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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
ANSWER
right ventricle
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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
ANSWER
muscle
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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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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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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, ttubules
c. gap junctions, desmosomes, ttubules
d. sarcoplasmic reticulum,
interdigitating folds
ANSWER
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Histology:
$300 Answer
Intercalated discs include these structures:
a. gap junctions, desmosomes,
interdigitating folds
b. gap junctions, tight junctions, ttubules
c. gap junctions, desmosomes, ttubules
d. sarcoplasmic reticulum,
interdigitating folds
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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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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 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
b. 2,5,3,1,4
c. 5,2,1,3,4
ANSWER
d. 2,5,4,1,3
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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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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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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
ANSWER
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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
ANSWER
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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
ANSWER
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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 interval
ANSWER
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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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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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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, open
ANSWER
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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 b
ANSWER
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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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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
ANSWER
resistance
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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
ANSWER
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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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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
ANSWER
ventricles
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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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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
ANSWER
d. has no effect on the heart
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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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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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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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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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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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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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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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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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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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