By Dr. Noura El Tahawy; Faculty of Medicine; El Minia University

1. Questions on lecture 2
the
Thoracic wall &
diaphragm
2011
By
Dr. Noura El Tahawy
MD., Ph.D.,

2. Dr. Noura El Tahawy
Questions
1. Enumerate the important muscles of normal respiration.
- Mention the action of each muscle & its role in changing the
diameters of the chest during respiration
2. Give short account on the anatomy of the internal thoracic artery
(origin, course, branches & termination)
3. Complete the following statements:
A. ---- The Internal mammary artery arises from
………………………………..……. …
Its branches include: 1. ……. 2………… 3……….. 4…… 5……
B ---- The anterior intercostal arteries arise from:
1……………..
2……………..
C -- The posterior intercostal arteries arise from:
1. …………………
2………………….
D--- The posterior intercostal veins drain into ………….…& ……
veins. While the anterior intercostal veins drain into ……………. &
……………. veins
E -- A needle inserted into the pleural cavity at the anterior axillary
line will pass through the following structures:
1. ……….. 2……… 3………. 4………… 5. ……. 6……
7…….. 8 ……..

3. Dr. Noura El Tahawy
Questions
3. Complete the following statements: (cont.)
F. Branches of the typical Intercostal nerve include:
1…….. 2……3……4….………5 ……
G----- Intercostal nerve block at the level of the second intercostal
space will result in:
1. ……………. & 2 ……………..
H…. The nerve supply of the diaphragm include:
1. ………………….. 2………………..
I. The vena caval opening of the diaphragm is locate at the level of
vertebra. The opening transmits the following structures
1….. ……… 2 ……
J.. The aortic opening of the diaphragm is located at the level of ….
Vertebra. The opening transmits the following structures:
1………… 2……….. 3…….
K. The esophageal opening of the diaphragm lies opposite …. vertebra.
It transmits 1…….. 2……….3…………….
L.. The diaphragm originated from …….., ……………, …………
& inserted into ……
M. The contraction of the diaphragm leads to …..………….. diameter
of chest during……… while its relaxation leads to …
…….diameter of the chest during ………..