THORAX ABDOMEN AND PELVIS

MEDICAL

PLEURA

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The sternal line of reflection encompasses the following costal cartilages:
A
2-4
B
1-5
C
1-5
D
1-6
Explanation: 

Detailed explanation-1: -The costal pleural reflection is the line along which the costal pleura and diaphragmatic pleura surfaces merge. It can be approximated on the surface of the thorax by a line connecting: the inferior edge of the sternal pleural reflection on each side. the 8th rib in the midclavicular line.

Detailed explanation-2: -The pleura includes two thin layers of tissue that protect and cushion the lungs. The inner layer (visceral pleura) wraps around the lungs and is stuck so tightly to the lungs that it cannot be peeled off. The outer layer (parietal pleura) lines the inside of the chest wall.

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