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Anatomy > The Thoracic Wall > Flashcards

The Thoracic Wall Flashcards

1
Q

How many ribs atypical and why

A

4, shape is different and different number of articulation sites

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2
Q

How many ribs total

A

12

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3
Q

How ribs 11 and 12 are different

A

No anterior attachment

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4
Q

What runs through costal groove

A

Intercostal artery, nerve, vein

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5
Q

Primary muscle of respiration

A

Diaphragm

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6
Q

Secondary muscles of respiration

A

Intercostal muscles: external, internal, innermost

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7
Q

What are tertiary muscles of respiration

A

Accessory muscles: SCM, scalene, serratus anterior and posterior

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8
Q

Where is venous return from intercostal veins

A

Azygos and hemi-azygous veins

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9
Q

Where do azygous veins dump into

A

SVC

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10
Q

Verticals diameter of thoracic cavity

A

Diaphragm

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11
Q

Antero-posterior diameter of thoracic cavity

A

Fixed 1st rib, external intercostals

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12
Q

Transverse diameter of thoracic cavity

A

Fixed 1st rib, external intercostals

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13
Q

During inspiration all ___ ___ are increased by the concerted action of muscles of thoracic cage

A

Three diameters

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14
Q

During inspiration: diaphragm ____. Abdominal organs ___. ___ vertical/transverse/AP diameter. ___ intrathoracic volume, ___ intrathoracic pressure.

A 
Descends
Compressed 
Increased diameter 
Increased volume 
Decreased pressure
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15
Q

During expiration: diaphragm ____. Abdominal organs ___. ___ vertical/transverse/AP diameter. ___ intrathoracic volume, ___ intrathoracic pressure.

A 
Ascends
Decompressed 
Decreased diameter 
Decreased volume 
Increased pressure
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16
Q

__ pulmonary/lateral compartments. What is in them

A

2

Visceral pleura, parietal pleura (4 surfaces), and potential pleural spaces

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17
Q

__ central compartment. What its called. What is in there (4)

A

1, mediastinum

Heart, great vessels, trachea, esophagus

18
Q

What angle is in mediastinum

A

Angle of louis

19
Q

One of the places there is lung but no pleura

A

Costodiaphragmatic recess

20
Q

Lobes and fissures: diff between right and left

A

Right has middle lobe and a horizontal fissure, left only has 2 lobes and oblique fissure

21
Q

What is lingula

A

Bottom tip of left superior lobe before inferior lobe

22
Q

What is cardiac notch

A

Where heart rests against left superior lobe

23
Q

Where is the hilum and what is in it

A

Mediastinal surface of lung, pulmonary artery and veins, and bronchi

24
Q

Grooves in right lung (5)

A

Cardiac impression, arch of azygous vein, right brachiocephalic vein, SVC, esophagus

25
Q

Grooves in left lung (3)

A

Cardiac impression, arch of aorta, descending aorta

26
Q

Trachea extends from __ __ of __

A

Inferior border of larynx

27
Q

How many tracheal rings, characteristic

A

16-20, incomplete

28
Q

Trachea is __ to esophagus

A

Anterior

29
Q

Trachea bifurcates into what

A

Right and left main bronchi

30
Q

Right bronchi is what compared to left

A

Shorter, wider, more vertical

31
Q

Bifurcation of trachea at what and level

A

Sternal angle, T4

32
Q

Primary bronchi enter lung where

A

Hilum

33
Q

Secondary __ bronchi, how many right vs left

A

Lobar, 3 right 2 left

34
Q

Tertiary ___ bronchi supplies ___ segments

A

Segmental, bronchopulmonary

35
Q

__-__ generations of branches end in __ __

A

20-25, terminal bronchioles

36
Q

Pulmonary arteries carry ___ blood, goes from __ to __

A

Deoxygenated

Heart to lungs

37
Q

Pulmonary veins carry ___ blood, from __ to __

A

Oxygenated

Lungs to heart

38
Q

___ of lung: where structures of root of lung pass

A

Hilum

39
Q

Bronchial arteries: supply __ and __ __ of lung

A

Bronchi and connective tissue

40
Q

Bronchial veins: drain __ of blood supplied by __ __

A

Some, bronchial arteries

41
Q

Pulmonary veins: drain ___ of blood supplied by __ __

A

Remainder, bronchial arteries

Anatomy (23 decks)

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