Which of the following is correct regarding the position of the heart?
A) It lies on the diaphragm to the right of the trachea, esophagus and thoracic vertebrae.
B) About two thirds of the heart is situated in the right side of the chest cavity.
C) Its apex is directed posteriorly and slightly superiorly at the level of the second intercostal space.
D) It is located between the two lungs in the mediastinum behind the sternum.
Correct Answer:
Verified
Q1: The electrocardiogram:
A) is referred to as an
Q2: As the impulse moves toward a positive
Q3: The heart:
A) is the pump of the
Q5: The sac that surrounds the heart:
A) Is
Q6: The thickest layer of the heart is
Q7: Structurally, the working myocardial cells are:
A) cylindrical,
Q8: The ventricles:
A) are the two upper chambers
Q9: The muscular wall that separates the right
Q10: The skeleton of the heart:
A) is a
Q11: The heart receives most of its blood
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