Week 4 – Cardiology Exam Questions and Answers
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precordium - ANSWER ✔✔-the area on the anterior chest directly overlying the heart and great vessels
mediastinum - ANSWER ✔✔--- the central compartment of the thoracic cavity surrounded by loose
connective tissue, as an undelineated region that contains a group of structures within the thorax. The
mediastinum contains the heart and its vessels, the esophagus, trachea, phrenic and cardiac nerves, the
thoracic duct, thymus and lymph nodes of the central chest.
-- a membranous partition between two body cavities or two parts of an organ, especially that between
the lungs.
What holds/where is the heart and great vessels located? - ANSWER ✔✔-between the lungs in the
middle third of the thoracic cage (mediastinum).
The heart extends from the ____nd to the ____th intercostal space and from the ____________ border of
the sternum to the __________ midclavicular line (MCL). - ANSWER ✔✔-the 2nd to the 5th
right
left
The apex of the heart points laterally or medially? - ANSWER ✔✔-laterally
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5th intercostal space at the midclavicular line (MCL).
Which chamber is immediately behind the sternum? - ANSWER ✔✔-right ventricle is immediately
behind the sternum and forms the greatest area of anterior cardiac surface
What are the names of the two atrioventricular (AV) valves that separate the atria and the ventricles? -
ANSWER ✔✔-The right AV valve is the tricuspid, and the left AV valve is the bicuspid or mitral valve
chordae tendineae - ANSWER ✔✔-The valves' thin leaflets are anchored by collagenous fibers (chordae
tendineae) to papillary muscles embedded in the ventricle floor.
What are the semilunar (SL) valves are set between?
What are their names?
When do they open? - ANSWER ✔✔-the ventricles and the arteries
The SL valves are the pulmonic valve in the right side of the heart and the aortic valve in the left side of
the heart.
They open during pumping, or systole, to allow blood to be ejected from the heart.
Why does abnormally high pressure in the left side of the heart gives a person symptoms of pulmonary
congestion, and abnormally high pressure in the right side of the heart shows in the distended neck veins
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