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Physics > Thorax > Flashcards

Thorax Flashcards

1
Q

Anterior boundary of thorax

A

Sternum, ribs, inercostal and chest wall muscles, skin

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2
Q

Posterior boundaru of thorax

A

Spine, scapula, ribs, intercostal and back muscles, skin

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3
Q

Superior boundary of thorax

A

Thoracic inlet

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4
Q

Inferior boundary of thorax

A

Diaphragm, thoracic outlet

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5
Q

Eah thoracic vertebrae has a ___ attached to it

A

Rib

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6
Q

True ribs are

A

Attach directly to the sternum

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7
Q

False ribs

A

The first three attach to the cartilageof the rib above it

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8
Q

Floating ribs

A

Cartilage ends in the abdominal wall muscle

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9
Q

3 parts of sternum

A

Manubrium
Body
Xiphoid process

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10
Q

Function of the thorax

A

To protect the organs a nd support the head and neck

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11
Q

Thoracic vertebrae have _______ which are the divets the ribs attach

A

Demifacet

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12
Q

What is the thoracic inlet

A

Aperture ring of bone, most superior

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13
Q

6 structures that pass through the thoracic inlet

A 
Trachea 
Esophagus 
Carotid arteries 
Jungular veins 
Nerves 
Lymphatics
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14
Q

The diaphragm seperates

A

The thoracic and abdominal cavity

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15
Q

The muscle fibers of diaphragm converge into

A

A central tendon

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16
Q

3 hiatus’ of the diaphgram

A

IVC, aorta and esophagus

17
Q

The inferior border of the diaphragm lines the

A

Thoracic outlet

18
Q

Anterior chest wall muscles from superior to deep

A

Pectoralis major
Pectoralis minor
Serratus
Intercostal muscles

19
Q

3 intercostal layer

A

External intercostal
Internal
Innermost

20
Q

Posterior chest wall muscles

A

Rhomboid
Latissmus dorsi
Trapezius
Shoulder girdle muscles

21
Q

Rhomboid major is ___________ to rhomboid minor

A

Inferior

22
Q

Pericardial cavity is within

A

Mediastinal cavity

23
Q

Mediastinum found in middle of

A

Thorax between the two pleural cavities

24
Q

Mediastinum divided into what two cavities

A

Superior and inferior

25
Q

Inferior mediastinum divided into what 3 sections

A

Anterior
Middle
Posterior

26
Q

Superior mediastinum contains what 11 things

A 
Trachea 
Esophagus 
Thymus 
Nerve and nervous plexuses 
Superior vena cava 
Brachiocephalic veins
Aortic arch 
Common carotid artery 
Lt subclavian 
Brachiocephalic arteries
27
Q

Middle mediastinum contains

A 
Heart 
Pericardium 
Ascending aorta 
Pulmonary trunk 
Superior vena cava
28
Q

Anterior mediastinum (2) contents

A

Thymus remnants

Lymph nodes

29
Q

Posterior mediastinum contents (3)

A

Esophagus
Thoracic aorta + branches
Nerve plexus from SNS

30
Q

Parietal pleura

A

A serous membrane lining the chest cavity

31
Q

Visceral pleura

A

A serous membrane covering the lung surface

32
Q

Bifurcation of the trachea is at what level and is called what

A

T5

carina `

33
Q

Sternal angle is

A

Between manibrium and body of sternum

Physics (32 decks)

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