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Questions and Answers
Which muscle depresses the ribs and therefore involves expiratory muscles?
Which muscle depresses the ribs and therefore involves expiratory muscles?
- Serratus posterior superior
- Diaphragm
- Intercostal nerve
- Serratus posterior inferior (correct)
Where is the sternal angle of Louis located?
Where is the sternal angle of Louis located?
- At the C7 spinous process
- At the xiphisternal joint (correct)
- Opposite the T9 vertebral body
- Beside the 2nd rib and costal cartilage
Which structure marks the apex beat of the heart?
Which structure marks the apex beat of the heart?
- Axillary fold
- Subcostal angle
- 4th intercostal space (ICS) in males (correct)
- Sternal notch
What is the location of the inferior border of the lungs?
What is the location of the inferior border of the lungs?
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Which structure meets with the oblique fissure at the midaxillary line?
Which structure meets with the oblique fissure at the midaxillary line?
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What structures do the oblique fissure of the lungs extend between?
What structures do the oblique fissure of the lungs extend between?
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Where is the trachea located in relation to the sternal notch?
Where is the trachea located in relation to the sternal notch?
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