osteology
Identify the three main parts of the sternum
The deepest layer of intercostal muscles are identified as
Innermost Intercostal Muscle
This nerve innervates all the intercostal muscles
intercostal nerve
How many mediastinum's does the average person have?
1
Which lung has three lobes?
right lung
What kind of joint articulates the ribs with the body?
costal cartilaginous joint
what does VAN stand for
Vein Artery nerve
This structure passes through the diaphragm at the T10 vertebral level
esophagus
What are the four section of the mediastinum?
superior, middle, anterior, posterior
What surrounds the lungs?
Visceral pleura, parietal pleura, pleural cavity
Which part of the sternum is the small, triangular tip at the bottom called?
Xiphoid process
what rib does the thorax intercostal muscles insert on
fifth rib
During inspiration, this major muscle contracts and drops, increasing the vertical dimension of the thorax
the diaphragm
Where's the mediastinum located?
between the lungs
Which is smaller
the left lung
A patient presents with a spinal injury at the level of the sternal angle. At which vertebral level is this injury likely located?
sternal angle
whats the main role of intercostal muscles
this portion of the diaphragm moves during inspiration and expiration, unlike the peripheral muscular portion
central tendinous portion
A patient is diagnosed with a pneumothorax. In which anatomical space has air accumulated?
Pleural cavity
A patient presents with a spinal injury at the level of the sternal angle. At which vertebral level is this injury likely located?
T4-T5
ANTERIOR aspect of the POSTERIOR thoracic wall describes what type of muscle
Subcostal Muscle
during forced expiration, these muscles contract to actively decrease thoracic volume by compressing the abdominal viscera, name this muscle group
The abdominal muslces