Questions on lecture 2

the

Thoracic wall &

diaphragm

2011

By

Dr. Noura El Tahawy

MD., Ph.D.,

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 ……..

Dr. Noura El Tahawy

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 ………..

Questions Dr. Noura El Tahawy