Thoracic Wall Flashcards

1
Q

What is the vascular supply to the pectoral region?

A

internal thoracic a. & v.

between 2nd and 4th intercostal spaces

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Where do the lymphatics of the pectoral region drain?

A

axillary and parasternal lymph nodes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What carries cutaneous innervation to the pectoral region?

A

lateral & anterior nn

4th to 6th intercostal nn

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is the pectoralis minor muscle enveloped in?

A

clavipectoral fascia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What muscles are involved in inspiration?

A

external intercostal muscle
serratus posterior superior
diaphragm m.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What muscles are involved in expiration?

A

internal intercostal m.
innermost intercostal m.
transversus thoracis m.
serratus posterior inferior m.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What pleural membrane is sensitive to pain? Visceral or parietal? What is it innervated by?

A

parietal - innervated by intercostal and phrenic nn.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is it called when fluid fills the pleural cavity?

A

effusion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What do you call accumulation of blood in the pleural cavity?

A

hemothorax

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What do you call accumulation of air in the pleural cavity?

A

pneumothorax

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What do you call inflammation of the pleural cavity?

A

pleurisy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What conditions can lead to adhesions in the pleural cavity?

A

hemothorax

pleurisy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Where would you perform a pleural tap (thoracentesis)?

A

midaxillary line in intercostal space 6 or 7

any lower runs the risk of piercing diaphragm, liver or spleen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

In the left lung, where is the pulmonary artery in relation to the primary bronchus?

A

typically superior

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

In the right lung, where is the pulmonary artery in relation to the primary bronchus?

A

typically anterior

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is the name of the inferior portion of the root of the lung?

A

pulmonary ligament

17
Q

The root of the lung connects the lungs to what structure?

A

mediastinum

18
Q

How many tertiary (segmental) bronchi are there in each lung?

A

Left: 8-10
Right: 10

19
Q

What provides SYMPATHETIC innervation to the ant. and post. pulmonary plexuses? What effect does it have on the bronchioles?

A

sympathetic trunk

dilates

20
Q

What provides PARASYMPATHETIC innervation to the ant. and post. pulmonary plexuses? What effect does it have on the bronchioles?

A

Vagus n.

constricts bronchioles

21
Q

How does the vagus n. run in relation to the root of the lung? The phrenic? The pericardiacophrenic vessels?

A

Vagus - posterior to root of lungs
Phrenic n. - anterior to root of lungs
Pericardiacophrenic vessels run w/ phrenic n. (branches of internal thoracic a. & brachiocephalic v.)

22
Q

What supplies nutrients to the bronchi & lungs?

A

bronchial aa.

23
Q

What structures drain the lymph of the lungs?

A

tracheobronchial nodes

R/L bronchomediastinal trunks

24
Q

What separates the two pleural cavities?

A

mediastinum

25
What are the borders of the mediastinum?
throacic inlet to diaphragm | from sternum to 12th rib
26
What nerve supplies the pericardium?
phrenic
27
What is cardiac tamponade? What might cause this?
compression of the heart and roots of great vessels | arterial bleeding