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OS 205 > Lungs And Pleura > Flashcards

Lungs And Pleura Flashcards

0
Q

Lines membranes of the lungs

A

Pleura

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1
Q

Pleural cavity is invaginated by growing lung bud during which week of embryonic development

A

3rd week

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2
Q

The pleura deviates laterally at the level of which ribs

A

4th and 5th

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3
Q

Inferior part of parietal pleura at the midclavicular line is at the level of which rib

A

8th

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4
Q

Pleural surface adherent to all surfaces of the lungs

A

Visceral pleura

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5
Q

The parietal pleura adheres to these structures

A

Thoracic wall, mediastinum, diaphragm

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6
Q

The parietal amd visceral pleura are continuous at what structure

A

Hilus of lung

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7
Q

Empty double layer of pleura which is the apposition of visceral and parietal pleura inferior to root of the lung

A

Pulmonary ligament

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8
Q

Potential space between pleural layers

A

Intrathoracic cavity

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9
Q

Lubrication between parietal and visceral pleurae

A

Thin film of extracellular fluid

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10
Q

Function of extracellular fluid in pleura

A

Provides surface tension which keeps lungs inflated

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11
Q

Regions of parietal pleura applied at sites of pleural reflection where lung fails to fill pleural cavity

A

Pleural recess

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12
Q

Pleural recess between costal and diaphragmatic pleura

A

Costodiaphragmatic recess

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13
Q

Recess where needle is inserted to avoid pneumothorax

A

Costomediastinal recess

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14
Q

Innervation of parietal pleura

A

1st to 12th intercostal nerves

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15
Q

Innervation of visceral pleura

A

Pulmonary plexus

16
Q

Innervation of peripheral diaphragmatic pleura

A

Lower intercostal nerves

17
Q

Innervation of central diaphragmatic pleura/mediastinal pleura

A

Phrenic nerve

18
Q

Potential space between visceral and parietal pleura

A

Pleural cavity

19
Q

Capillary layer of serous fluids in pleural cavity is produced by?

A

Mesothelium

20
Q

What is the effect of excess air entering the pleural cavity

A

Surface tension adhering visceral and parietal pleura is broken, and lung collapses due to elastic recoil

21
Q

Air in the pleural cavity

A

Pneumothorax

22
Q

Blood in the pleural cavity

A

Hemothorax

23
Q

Fluid in the pleural cavity

A

Hydrothorax

24
Q

What is the effect of a tumor in the pleural cavity

A

It secretes more fluid than it can absorb, and the fluid is retained in the cavity.

25
Q

Hyper-resonant tone upon percussion of the pleura is a sign of?

A

Pneumothorax

26
Q

Where should chest tube be inserted in patient with pneumothorax if there are no fluid complications?

A

2nd intercostal space immediately superior to 3rd rib

27
Q

Where should chest tube be inserted in patient with pneumothorax if there are fluid complications?

A

5th or 6th intercostal space

28
Q

Dull tone upon percussion is a sign of?

A

Pyothorax, hydrothorax, or hemothorax

29
Q

Pleural tap procedure

A

Thoracentesis

30
Q

Where should you insert needle in thoracentesis

A

Have patient in sitting position. Detect fluid level first through percussion, then insert at 1 or more intercostal space below fluid level, (except 9th ICS) at superior margin of rib

31
Q

Main neurological center of respiration

A

Medulla

32
Q

Difference between cadaveric and healthy lungs

A

Cad - shrunken, firm, discolored

Healthy - light, soft, spongy

33
Q

Contents of root of lung

A

Bronchi, pulmonary artery and vein, pulmonary plexus, lymphatics

34
Q

Superiormost structure on the left of hilum of lung

A

Pulmonary artery

35
Q

Superiormost structure on the right of the hilum of lung

A

Superior lobar bronchus

36
Q

Anteriormost structure in hilum of lung

A

Superior pulmonary vein

37
Q

Inferiormost structure in hilum of lung

A

Inferior pulmonary vein

OS 205 (4 decks)

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