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Questions and Answers
What is the approximate weight of the heart?
What is the approximate weight of the heart?
- Exactly 1 pound
- More than 5 pounds
- Around 2 pounds
- Less than a pound (correct)
Where is the apex of the heart directed?
Where is the apex of the heart directed?
- Toward the right shoulder
- Toward the sternum
- Toward the spine
- Toward the left hip (correct)
What is the function of the fibrous pericardium?
What is the function of the fibrous pericardium?
- Transmits nerve signals
- Produces blood cells
- Helps protect the heart and anchors it to surrounding structures (correct)
- Regulates blood pressure
Where is the heart located within the thorax?
Where is the heart located within the thorax?
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Which layer encloses the heart in a double-walled sac?
Which layer encloses the heart in a double-walled sac?
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Which layer of the heart helps protect the heart and anchors it to surrounding structures?
Which layer of the heart helps protect the heart and anchors it to surrounding structures?
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Where is the broad posterosuperior aspect of the heart, from which the great vessels of the body emerge, directed?
Where is the broad posterosuperior aspect of the heart, from which the great vessels of the body emerge, directed?
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In which cavity of the thorax is the heart snugly enclosed?
In which cavity of the thorax is the heart snugly enclosed?
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Which part of the heart is approximately the size of a person’s fist and weighs less than a pound?
Which part of the heart is approximately the size of a person’s fist and weighs less than a pound?
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Which layer of the pericardium is referred to as the slippery, two-layer sac where the parietal layer lines the interior of the fibrous pericardium?
Which layer of the pericardium is referred to as the slippery, two-layer sac where the parietal layer lines the interior of the fibrous pericardium?
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