24 Questions
Where is the location of the heart in relation to the vertebral column?
Anterior
What is the function of the pericardium in relation to the heart?
Anchors the heart in place
Which layer of the heart covers the surface of the heart itself?
Epicardium
What is the pathway of blood through the heart (ignoring the lungs)?
Right atrium → tricuspid valve → right ventricle
Which structure separates the parietal layer from the visceral layer in the pericardial cavity?
Pericardial fluid
What is the function of the fibrous skeleton of the heart?
Creates a structural framework for attachment
What is the role of pulmonary veins in the cardiovascular system?
Carry oxygenated blood from lungs to left atrium
What is the main function of atria in the heart?
Deliver blood to adjacent ventricles
Why are the walls of ventricles much thicker and stronger compared to the atria?
To supply blood to the lungs with little flow resistance
What is the role of AV valves in the heart?
Prevent backflow into the atria when ventricles contract
Where is the aortic semilunar valve located?
Between the left ventricle and aorta
What type of muscle is cardiac muscle?
Striated muscle
What do intercalated discs do in cardiac muscle cells?
Anchor cells together and allow free passage of ions
Why is the myocardium thicker in the left ventricle compared to the right?
To supply systemic circulation
Which valve prevents backflow of blood into the ventricles?
Pulmonary semilunar valve
What tissue acts as both tendon and insertion in cardiac muscle?
Endomysium
What do chordae tendineae anchor to in papillary muscles of the heart?
AV valves
Where is the coronary sinus located?
Posterior aspect of the heart
Which vein is the largest tributary draining into the coronary sinus?
Great cardiac vein
Where does the small cardiac vein empty into?
Coronary sinus
Which chamber of the heart has papillary muscles and trabeculae carneae muscles marking its walls?
Left ventricle
From where does blood enter the left atrium?
Pulmonary veins
What are the receiving chambers of the heart called?
Atria
Which vein originates at the apex of the heart and ascends in the anterior interventricular groove?
Great cardiac vein
Learn about the anatomy of the heart, its size, location, and coverings such as the pericardium. Understand the structure of the heart and its position in the body.
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