BYU Cell 220 Exam 3 Newest / BYU Cell 220 Exam 3 Preparation/BYU Cell 220 Exam 3 Practice
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The average cardiac output of the heart is... - (ANSWER)5.25 Liters per minute
The heart beats about ___ times per minute - (ANSWER)75
The heart functions as a dual pump for which two circuits? - (ANSWER)Pulmonary and Systemic
Where is the heart located? - (ANSWER)Within the Mediastinum. On the diaphragm. Posterior to the
Sternum.
The base of the heart is comprised of the... - (ANSWER)Posterior and superior surfaces of the heart
The apex points to the... - (ANSWER)Left Hip
The apex is comprised of the... - (ANSWER)Anterior and inferior surfaces of the heart
The pericardium is made up of ___ layers - (ANSWER)Three
The outermost layer of the pericardium is the... - (ANSWER)Fibrous Pericardium
Just deep to the fibrous pericardium is the... - (ANSWER)Parietal layer of the Serous Pericardium
What is found between the two layers of the serous pericardium? - (ANSWER)The Pericardial Cavity
The Pericardial Cavity contains... - (ANSWER)Serous fluid
The deepest layer of the pericardium is the... - (ANSWER)Visceral layer of the Serous Pericardium
What are the functions of the pericardium? - (ANSWER)Prevent undesired movement and overfilling of
the heart. Reduces friction.
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The heart wall is made up of ___ layers - (ANSWER)Three
Which layer of the heart wall is the most superficial? - (ANSWER)The Epicardium
The Epicardium is made up of which type of skin cells? - (ANSWER)Simple squamous epithelium
The Epicardium is also known as the... - (ANSWER)Visceral layer of the Serous Pericardium
The middle layer of the heart wall is the... - (ANSWER)Myocardium
Which layer of the heart wall is the bulkiest? - (ANSWER)The Myocardium
The Myocardium is made of which type of muscle? - (ANSWER)Cardiac
The deepest layer of the heart wall is the... - (ANSWER)Endocardium
The endocardium is also known as the... - (ANSWER)Endothelium
The Endocardium is made up of which type of cell? - (ANSWER)Simple squamous epithelium
What is the function of the pulmonary circuit? - (ANSWER)Carry blood to and from the lungs
What part of the heart is the pump for the pulmonary circuit? - (ANSWER)The right ventricle
What is the function of the systemic circuit? - (ANSWER)Transport blood to and from the body tissues
What part of the heart is the pump for the systemic circuit? - (ANSWER)The left ventricle
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The atriums of the heart are located _____ to the ventricles of the heart - (ANSWER)Superior
What is the pattern of blood flow through the heart? - (ANSWER)1. Superior/Inferior Vena Cava. 2. Right
Atrium 3. Right Ventricle 4. Pulmonary trunk 5. Pulmonary artery 6. Lungs 7. Pulmonary vein 8. Left
Atrium 9. Left Ventricle 10. Aorta
What is the function of the right atrium? - (ANSWER)A receiving chamber for oxygen poor blood from
the systemic circuit
The Fossa ovalis is known as what during fetal circulation? - (ANSWER)Foramen ovale
What is the function of the right ventricle? - (ANSWER)Eject oxygen poor blood into the pulmonary
trunk.
When papillary muscles of the heart anchor what? - (ANSWER)The chordae tendineae
What is the function of the chordae tendineae? - (ANSWER)Prevent the valves from everting
The left atrium is located on the... - (ANSWER)Posterior surface of the heart
What is the function of the left atrium? - (ANSWER)Receive oxygen rich blood from the lungs via the
pulmonary veins
The left ventricle is the most _____ of all the chambers of the heart - (ANSWER)Muscular
The left ventricle forms what part of the heart? - (ANSWER)The apex and inferior surface
What is the function of the left ventricle? - (ANSWER)Eject oxygen-rich blood into the aorta.
Heart valves are composed of... - (ANSWER)Dense connective tissue
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Heart valves have how many cusps? - (ANSWER)Two or three
What is the function of a heart valve? - (ANSWER)Permit blood flow in one direction. Prevent back flow.
What is the fibrous skeleton of the heart? - (ANSWER)Dense connective tissue between the atria and the
ventricles
What is the function of the fibrous skeleton of the heart? - (ANSWER)Anchor the heart valves. Provides a
frame for cardiac muscle attachment. Separates the area and the ventricles, both structurally and
electrically.
Compared to skeletal muscle, cardiac muscle has more... - (ANSWER)Mitochondria and ATP
Cardiac muscle cells are... - (ANSWER)Short. Striated. Contain 1-2 nuclei. Joined by intercalated discs.
What is the function of gap junctions in cardiac tissue? - (ANSWER)Increase the flow of electrical current
What is the function of desmosomes in cardiac muscle? - (ANSWER)Prevent the cardiac muscle from
pulling apart
What is the conduction system of the heart? - (ANSWER)Specialized cardiac muscle cells that carry
impulses throughout the heart musculature
What is the function of purkinje fibers? - (ANSWER)They allow the heart to contract from the apex up
The parasympathetic nervous system of the heart emerges from where? - (ANSWER)The Medulla
The parasympathetic nervous system of the heart is controlled by which cranial nerve? - (ANSWER)The
Vagus Nerve (CN X)
Exam With Complete Questions And Correct Answers| Brand New Version!
The average cardiac output of the heart is... - (ANSWER)5.25 Liters per minute
The heart beats about ___ times per minute - (ANSWER)75
The heart functions as a dual pump for which two circuits? - (ANSWER)Pulmonary and Systemic
Where is the heart located? - (ANSWER)Within the Mediastinum. On the diaphragm. Posterior to the
Sternum.
The base of the heart is comprised of the... - (ANSWER)Posterior and superior surfaces of the heart
The apex points to the... - (ANSWER)Left Hip
The apex is comprised of the... - (ANSWER)Anterior and inferior surfaces of the heart
The pericardium is made up of ___ layers - (ANSWER)Three
The outermost layer of the pericardium is the... - (ANSWER)Fibrous Pericardium
Just deep to the fibrous pericardium is the... - (ANSWER)Parietal layer of the Serous Pericardium
What is found between the two layers of the serous pericardium? - (ANSWER)The Pericardial Cavity
The Pericardial Cavity contains... - (ANSWER)Serous fluid
The deepest layer of the pericardium is the... - (ANSWER)Visceral layer of the Serous Pericardium
What are the functions of the pericardium? - (ANSWER)Prevent undesired movement and overfilling of
the heart. Reduces friction.
,BYU Cell 220 Exam 3 Newest / BYU Cell 220 Exam 3 Preparation/BYU Cell 220 Exam 3 Practice
Exam With Complete Questions And Correct Answers| Brand New Version!
The heart wall is made up of ___ layers - (ANSWER)Three
Which layer of the heart wall is the most superficial? - (ANSWER)The Epicardium
The Epicardium is made up of which type of skin cells? - (ANSWER)Simple squamous epithelium
The Epicardium is also known as the... - (ANSWER)Visceral layer of the Serous Pericardium
The middle layer of the heart wall is the... - (ANSWER)Myocardium
Which layer of the heart wall is the bulkiest? - (ANSWER)The Myocardium
The Myocardium is made of which type of muscle? - (ANSWER)Cardiac
The deepest layer of the heart wall is the... - (ANSWER)Endocardium
The endocardium is also known as the... - (ANSWER)Endothelium
The Endocardium is made up of which type of cell? - (ANSWER)Simple squamous epithelium
What is the function of the pulmonary circuit? - (ANSWER)Carry blood to and from the lungs
What part of the heart is the pump for the pulmonary circuit? - (ANSWER)The right ventricle
What is the function of the systemic circuit? - (ANSWER)Transport blood to and from the body tissues
What part of the heart is the pump for the systemic circuit? - (ANSWER)The left ventricle
,BYU Cell 220 Exam 3 Newest / BYU Cell 220 Exam 3 Preparation/BYU Cell 220 Exam 3 Practice
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The atriums of the heart are located _____ to the ventricles of the heart - (ANSWER)Superior
What is the pattern of blood flow through the heart? - (ANSWER)1. Superior/Inferior Vena Cava. 2. Right
Atrium 3. Right Ventricle 4. Pulmonary trunk 5. Pulmonary artery 6. Lungs 7. Pulmonary vein 8. Left
Atrium 9. Left Ventricle 10. Aorta
What is the function of the right atrium? - (ANSWER)A receiving chamber for oxygen poor blood from
the systemic circuit
The Fossa ovalis is known as what during fetal circulation? - (ANSWER)Foramen ovale
What is the function of the right ventricle? - (ANSWER)Eject oxygen poor blood into the pulmonary
trunk.
When papillary muscles of the heart anchor what? - (ANSWER)The chordae tendineae
What is the function of the chordae tendineae? - (ANSWER)Prevent the valves from everting
The left atrium is located on the... - (ANSWER)Posterior surface of the heart
What is the function of the left atrium? - (ANSWER)Receive oxygen rich blood from the lungs via the
pulmonary veins
The left ventricle is the most _____ of all the chambers of the heart - (ANSWER)Muscular
The left ventricle forms what part of the heart? - (ANSWER)The apex and inferior surface
What is the function of the left ventricle? - (ANSWER)Eject oxygen-rich blood into the aorta.
Heart valves are composed of... - (ANSWER)Dense connective tissue
, BYU Cell 220 Exam 3 Newest / BYU Cell 220 Exam 3 Preparation/BYU Cell 220 Exam 3 Practice
Exam With Complete Questions And Correct Answers| Brand New Version!
Heart valves have how many cusps? - (ANSWER)Two or three
What is the function of a heart valve? - (ANSWER)Permit blood flow in one direction. Prevent back flow.
What is the fibrous skeleton of the heart? - (ANSWER)Dense connective tissue between the atria and the
ventricles
What is the function of the fibrous skeleton of the heart? - (ANSWER)Anchor the heart valves. Provides a
frame for cardiac muscle attachment. Separates the area and the ventricles, both structurally and
electrically.
Compared to skeletal muscle, cardiac muscle has more... - (ANSWER)Mitochondria and ATP
Cardiac muscle cells are... - (ANSWER)Short. Striated. Contain 1-2 nuclei. Joined by intercalated discs.
What is the function of gap junctions in cardiac tissue? - (ANSWER)Increase the flow of electrical current
What is the function of desmosomes in cardiac muscle? - (ANSWER)Prevent the cardiac muscle from
pulling apart
What is the conduction system of the heart? - (ANSWER)Specialized cardiac muscle cells that carry
impulses throughout the heart musculature
What is the function of purkinje fibers? - (ANSWER)They allow the heart to contract from the apex up
The parasympathetic nervous system of the heart emerges from where? - (ANSWER)The Medulla
The parasympathetic nervous system of the heart is controlled by which cranial nerve? - (ANSWER)The
Vagus Nerve (CN X)
