30 Questions
What articulates with the clavicles and the first costal cartilage and the upper part of the second costal cartilage on each side?
The manubrium
What is formed by the articulation of the manubrium with the body of the sternum?
The sternal angle
At what level does the sternal angle lie?
The level of the second costal cartilage
What is the junction of the superior mediastinum and the inferior mediastinum at the level of?
The fourth and fifth thoracic vertebrae
What is a common site for marrow biopsy?
The body of the sternum
How many pairs of ribs are there?
Twelve pairs
How many pairs of true ribs are there?
Seven
What is the function of the costal groove on a typical rib?
Accommodating the intercostal vessels and nerve
What is unique about the first rib?
It is an atypical rib
Which muscle is attached to the upper surface and inner border of the first rib?
Scalenus anterior
What is the function of the head of a rib?
Articulating with the vertebral body
What is the term for the eighth, ninth, and tenth pairs of ribs?
False ribs
What is the location of the subclavian vein in relation to the scalenus anterior?
Anterior to the scalenus anterior
Which rib has a tuberosity for serratus anterior?
2nd rib
What is the function of the costal cartilages?
To connect the upper seven ribs to the lateral edge of the sternum
What type of joint is the manubriosternal joint?
Cartilaginous joint
What is the characteristic of the xiphisternal joint?
It is a cartilaginous joint
What is the range of ribs that articulate with the corresponding vertebral body and that of the vertebra above it?
From the 2nd to the 9th ribs
What vessels and nerve pass through the thoracic wall?
Inferior vena cava and the right phrenic nerve
What is the origin of the posterior intercostal arteries of the first two spaces?
Costocervical trunk of the subclavian artery
Where do the anterior intercostal veins of the first six spaces drain into?
Internal thoracic and musculophrenic veins
What is the origin of the internal thoracic artery?
First part of the subclavian artery
What is the location of the internal thoracic artery?
About a fingerbreadth lateral to the sternum
What is the branch of the internal thoracic artery that gives rise to the anterior intercostal arteries of the lower spaces?
Musculophrenic artery
What is the pathway of the tenth and eleventh nerves?
They pass forward directly into the abdominal wall
What is the function of the pleural branches of the intercostal nerves?
They run to the parietal pleura
Where is the mammary gland located in the thoracic wall?
In the subcutaneous tissue overlying the pectoralis major and minor muscles
What is the region of skin surrounding the nipple called?
Areola
In which region does the breast extend vertically from?
From the second to sixth ribs
Where does pain from coronary heart disease often get referred to?
The medial side of the arm
Explore the anatomy of the sternum, including its articulations and landmarks such as the jugular notch and sternal angle. Learn about its significance in the human body.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
