Thoracic Wall & Intercostal Spaces

1.Describe Typical Intercostal Space under the following headings:-

• a) Muscles
• b) Bloodvessels
• c) Nerve
• d) Applied importance

1.Typical inter costal space – boundaries, extent, contents, applied anatomy

2.Describe the course, branches and applied anatomy of typical intercostal nerve

3.Intercostal vessels

4.Boundaries and contents of a typical intercostal space

1.Briefly explain the intercostal muscles

2.Manubrium sterni

1.Transverse section at the level of Sternal angle of Louis th Thoracic vertebra)

2.Transverse section at level of fourth thoracic vertebra

3.Transverse section at T4 vertebral level

4.Two events occurring at sternal angle

5.Where does the left superior intercostal vein terminate into

6.Two characteristic features of typical thoracic vertebra

7.Horizontal section at the level of T-4 vertebra

8.Cross section of thorax at the level of sternal angle

1.The intercostal nerves and vessels course between

• a) Deep fascia and external intercostals
• b) External and internal intercostals
• c) Internal and innermost intercostals
• d) Innermost intercostals and endothoracic fascia

2.The Renal angle is the angle between

• a) Lower border of 10th rib and outer border of erector spinae muscle
• b) Upper border of 10th rib and outer border of erector spinae muscle
• c) Upper border of 11th rib and outer border of erector spinae muscle
• d) Lower border of 12th rib and outer border of erector spinae muscle

3.A: During sternal puncture a thick needle is inserted into upper part of manubrium sternum. R: Arch of aorta lies behind the lower part of manubrium sternum

• a) Both A and R are true, and R is the reason for A
• b) Both A and R are true, and R is not the reason for A
• c) A is correct but R is incorrect
• d) A is incorrect but R is correct