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Anatomy 701 > Thoracic Wall > Flashcards

Thoracic Wall Flashcards

(64 cards)

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1
Q

Where is the caval opening?

A

T8

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2
Q

Where is the esophageal hiatus?

A

T10

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3
Q

Where is the aortic hiatus?

A

T12

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4
Q

What is the orientation of the transverse process?

A

Coronal to sagittal planes from superior to inferior

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5
Q

What are the special thoracic vertebrae?

A

T1 - one full facet for 1st rib
T9~T12 - no superior demifacet fot T10
T11/T12 - no articular facets on the transverse process

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6
Q

Which ribs dont have demifacets?

A

I, X, XI, XII

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7
Q

Which ribs have one articular facet in the head?

A

Rib I, X, XI, and XII

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8
Q

Which ribs have no tubercle in the neck?

A

Rib Xi and XII

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9
Q

Which rib had a broadened upper surface and impressions?

A

Rib I

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10
Q

Where is the sternal angle?

A

2nd rib

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11
Q

Where is the xiphosternal joint?

A

7th rib

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12
Q

What are the parts of the sternum?

A

Manubrium, Body, Xiphoid process

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13
Q

How is the intervertebral foramen formed and which structure course through this foramen?

A

formed by pedicles, spinal nerves go through

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14
Q

What is the costovertebal joint?

A

Head of ribs and demifacets of vertebral body

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15
Q

What are costotransverse joints?

A

Rib neck and facet on the transverse process

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16
Q

What is the superior costotransverse ligament?

A

Superior transverse process to inferior rib neck

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17
Q

What is the lateral/costotansverse ligament connecting

A

same level trransverse process and rib neck

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18
Q

What are the true ribs?

A

rib I, Rib II, Rib III~VI, Rib VII

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19
Q

What are the false ribs?

A

Ribs VIII~X, Rib XI and XII

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20
Q

How many intercostal spaces are there?

A

11

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21
Q

What is the motion of the upper ribs?s

A

Pump handle

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22
Q

What is the motion of the lower ribs?

A

Bucket handle

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23
Q

Which ribs have no articulation anteriorly?

A

Ribs XI and XII

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24
Q

Which rib articulates with the sternal angle anteriorly?

A

rib II

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25
C1 only has ______ so it has no dermatome
Somatic motor
26
What are the visceral organs?
Lungs, heart, and others
27
What is the parasympathetic innervation of the thorax?
Vagus nerve, CN X
28
Where is the recurrent laryngeal nerve?
L around aortic arch around ligamentum arteriosum
29
What is the sympathetic innervation of the thorax?
T1-T4 level
30
What is the blood supply for the superior Intrinsic thoracic wall?
Supreme intercostal artery, branch from costocervical trunk
31
What is the blood supply for the intrinsic posterior thoracic wall?
Posterior intercostal artery, branches from aorta
32
What is the blood supply for the anterior intrinsic thoracic wall?
Internal thoracic artery, branch from subclavian artery
33
Where is the subclavian artery?
Midpoint of clavicle/lateral border of 1st rib
34
Where is the axillary artery?
Inferior border of teres minor
35
What are the extrinsic thoracic wall muscles?
Mnemonics: Screw The Lawyer, Save A Patient Part 1: Superior thoracic artery Part 2 (deep to pec minor): Thoracoacromial artery/trunk Lateral/long thoracic artery Part 3: Subscapular artery Anterior circumflex humeral artery Posterior circumflex humeral artery
36
Blood drainage of the internal thoracic vein and superior intercostal vein?
to brachiocephalic vein
37
Where does the right thorax drain?
Intercostal veins to azygos vein then to SVC
38
Where does the left thoracic wall drian?
Intercostal veins to accessory hemiazygos and hemiazygos veins, then to azygos vein
39
Which of the following combination of motions of different ribs is correct? a. Rib II, mainly pump handle; Rib VII, mainly bucket handle. b. Rib II, mainly bucket handle; Rib VII, mainly pump handle. c. Rib V, mainly pump handle; Rib XI, mainly bucket handle. d. Rib V, mainly bucket handle; Rib XI, mainly pump handle.
a. Rib II, mainly pump handle; Rib VII, mainly bucket handle.
40
Pectoralis major origin
Medial ½ clavicle, sternum and costal heads (VI/VII rib costal cartilage)
41
Pectoralis major insertion
Lateral lip of intertubercular crest/bicipital groove of humerus: inversion attachment
42
Pectoralis major innervation
Lateral pectoral nerve (C5~T1), medial pectoral nerve (C8, T1); pectoral branch of thoracoacromial trunk
43
function of pectoralis major
GH joint: FLX vs. EXT, and IR/ADD
44
Pec minor origin and insertion
Rib III~V Coracoid process of scapula
45
What is the innervation of the medial pectoral nerve
Medial pectoral nerve (C8, T1)
46
What is the pectoralis minor actions?
Scapulothoracic articulation: depression, anterior tilt of scapula
47
Subclavius origin and insertion
Costal cartilage of rib I Under surface of distal clavicle
48
Innervation of subclavius
Nerve to subclavius (C5,C6)
49
What is the action of the subclavius?
Scapulothoracic articulation: depression of clavicle
50
What is the origin and insertion of the serratus anterior?
Ribs 1~9 Anterior medial border of scapula
51
What is the action of the serratus anterior?
Scapular protraction; hold scapula to the thorax; upward rotation of scapula; elevation of rib
52
What are the three intercostal muscles?
External intercostal muscles, internal intercostal muscles, and innermost intercostal muscles
53
what is the direction of the external intercostal muscle?
Oblique posterosuperior
54
what is the direction of the internal intercostal muscle?
Oblique anterosuperior
55
what is the direction of the innermost intercostal muscle?
oblique anterosuperior
56
What is the major bundle of the intercostal space?
VAN Vein, artery, ventral rami of thoracic spinal nerve
57
muscular/collateral bundle?
superior border of inferior rib, muscular branch, NAV
58
Where do the major bundle and the muscular/collateral bundle run?
Between internal and innermost intercostals
59
Which nerve provide parasympathetic innervation for lungs and heart?
Vagus nerve, CN X
60
Which dome of the diaphragm is higher?
Right dome is higher than left done
61
What innervates the diaphragm
Phrenic nerve (C3~C5)
62
What muscles are a part of inspiration?
Primary: external intercostal, membranous internal intercostal, serratus posterior superior
63
Which muscles are a part of expiration?
Primary: other internal intercostal, innermost intercostals, serratus posterior inferior
64
Where does the intercostal neurovascular bundle locate and what is the order of structures from superior to inferior for the major and collateral bundles?
Between the internal and innermost intercostals Major - VAN muscular - NAV

Anatomy 701 (8 decks)

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