Pleura

Question 1

Describe the pleura.

Answer 1

The pleura is a double layer of serous membranes that surround each lung. It consists of an outer parietal layer and the inner visceral layer, the two layers separated by a thin film or fluid called the pleural cavity.

Question 2

which layer of the pleura enters and lines the fissures of the lungs?

Answer 2

visceral pleura

Question 3

which layer of the pleura is sensitive to pain?

Answer 3

parietal pleura

Question 4

which nerve supplies pain sensation to the pleura?

Answer 4

phrenic nerve

Question 5

what areas of the pleura are innervated by the phrenic nerve?

Answer 5

mediastinal and diaphragmatic parietal pleura over the domes

Question 6

what nerves innervate the remainder of the parietal pleura (in the periphery)?

Answer 6

6 lower intercostal nerves

Question 7

discuss the innervation of the visceral pleura?

Answer 7

has only autonomic innervation for stretch and is insensitive to pain. It is supplied autonomically through the pulmonary plexus (sympathetic and parasympathetic (vagus) supply).

Question 8

which rib is the inferior border of the lung in the midclavicular line located?

Answer 8

rib 6

Question 9

which rib is the inferior border of the parietal pleura in the midclavicular line located?

Answer 9

rib 8

Question 10

which rib is the inferior border of the lung in the midaxillary line located?

Answer 10

rib 8

Question 11

which rib is the inferior border of the parietal pleura in the midaxillary line located?

Answer 11

rib 10

Question 12

which rib is the inferior border of the lung in the midscapular line located?

Answer 12

rib 10

Question 13

which rib is the inferior border of the parietal pleura in the midscapular line located?

Answer 13

rib 12

Question 14

the oblique fissure follows the course of which rib?

Answer 14

6th rib

Question 15

the horizontal fissure lies at the level of which rib?

Answer 15

4th rib