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Cardio Pulm > Lecture 1 - Thoracic Wall and Pleural Cavities > Flashcards

Lecture 1 - Thoracic Wall and Pleural Cavities Flashcards

1
Q

What is the general shape of the thorax

A

truncated cone

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2
Q

What are the inlets and outlets of the thorax

A

superior thoracic aperture; inferior thoracic aperture

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3
Q

What is the border of the superior thoracic aperture include

A

body of the 1st vert; 1st part of ribs; manubrium

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4
Q

What is the border of the inferior thoracic aperature

A

body of the 12th thoracic vert; 11th and 12th rib; xiphoid process and costal cartilages

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5
Q

what does the manubrium articulate with

A

2 clavicles
body of sternum
1st and 2nd pair of ribs

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6
Q

what is the costovertebral angle

A

angle between the 12th rib and 12th vertebrae

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7
Q

taking a deep breath requires movement at what joint

A

manubriosternal

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8
Q

what ribs are true ribs? false? floating?

A

1-7; 8-10; 11-12

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9
Q

what are true ribs

A

ribs that have their costal cartilages directly attached to the sternum

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10
Q

what are false ribs

A

ribs that have their costal cartilage indirectly attached to sternum

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11
Q

what are floating ribs

A

ribs that have no attachment to the sternum

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12
Q

what is included in the costovertebral joint

A
  1. superior costal facet (same number as rib)
  2. inferior costal facet of superior verterbrae
  3. the adjacent intervertebral disc between the two
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13
Q

what is the purpose of the external intercostals

A

they are the most superficial layer and they pull the ribs up for inspiration

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14
Q

what is the purpose of the internal intercostals

A

used for expiration; they pull the ribs down

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15
Q

where are the anterior intercostal AVN

A

between the internal and innermost intercostal muscles

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16
Q

what is the purpose of the innermost intercostal muscles

A

the same function as internal intercostal, expiration

17
Q

what does the posterior intercostal A supply

A

supplies the 3-11 intercostal spaces

18
Q

what do the supreme thoracic A and supreme intercostal A supply

A

the 1-2 intercostal spaces

19
Q

what does the anterior intercostal supply

A

intercostal spaces 1-6, skin, interscostal muscles, breasts, and thymus

20
Q

what are the two main pleura of the lungs

A

parietal - outer layer

visceral - inner layer in direct contact with lung tissue

21
Q

what is the name of the space inside a pleura in which the lungs are located

A

pleural sac

Cardio Pulm (22 decks)

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