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Adam KCU Anatomy I Exam 2 > Lecture 14- Thoracic Osteology and Wall Structure > Flashcards

Lecture 14- Thoracic Osteology and Wall Structure Flashcards

1
Q

Twelve thoracic vertebrae
Twelve pair of ribs and their costal cartilage
Sternum
Intercostal Muscles

A

Components that make up the thoracic cage

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2
Q

First thoracic vertebrae
First pair of ribs and costal cartilage
Manubrium

A

Boundaries of the superior thoracic outlet

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3
Q

Twelfth thoracic vertebrae
Twelfth pair ribs and costal cartilages
Xiphisternal Joint
Larger of the two openings

A

Boundaries of inferior thoracic outlet

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4
Q

The angle of the sternum where the second rib meets the sternum

A

Angle of Louis

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5
Q

Superior aspect of the body of the sternum
Clavicle
First Rib

A

Articulations associated with the manubrium

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6
Q

Symphysis type of join

A

Manubriosternal Joint

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7
Q

What marks the level of dermatome 6

A

Xiphoid Process

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8
Q

Ribs 1-7

A

Vertebrosternal Ribs

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9
Q

Ribs 8-10

A

Vertebrochondral Ribs

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10
Q

Ribs 11-12

A

Vertebral Ribs (Floating)

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11
Q

What attaches to the head of the intervertebral disc

A

Head of the rib

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12
Q

What is the narrow portion between the head and the tubercle

A

Neck of the rib

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13
Q

What articulates with the transverse process of vertebra with same number

A

Tubercle of the rib

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14
Q

What is the sternal extremity that takes a downward slope

A

Shaft of the rib

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15
Q

What takes an upward slope

A

Costal Cartilage

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16
Q

Why is the first rib important?

A

Due to its relation to the nerves of the brachial plexus and subclavian vessels

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17
Q

Where is the jugular notch?

A

Root of the neck

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18
Q

Where is the sternal angle?

A

Marks the second rib

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19
Q

What sound is heard at the 5th intercostal space around the midclavicular line?

A

Apex Heartbeat

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20
Q

What sound is heard at the 2nd intercostal space on the right side of the sternum?

A

Aortic valve heart sound

21
Q

What sound is heard at the 2nd intercostal space along the left side of the sternum?

A

Pulmonary Valve Heart Sound

22
Q

What sound is projected to the 5th intercostal space on the right side of the sternum?

A

Tricuspid valve heart sound

23
Q

What sound is projected to the 5th intercostal space about 10 cm left of the sternal midline?

A

Bicuspid valve heart sound

24
Q

What is between the sternal angle and the T 4/5 vertebral level?

A

Bifurication of the trachea

25
Q

The superior part is marked by the 7th cartilage and the inferior part is marked by the 10th cartilage

A

Costal margin

26
Q

What angle is important for CPR and located near the first set of abs?

A

Infrasternal angle

27
Q

What line runs directly through the sternum?

A

Midsternal line

28
Q

What line runs directly through the middle of the clavicle?

A

Midclavicular line

29
Q

What vertical line runs directly through the interior angle of the scapula?

A

Scapular line

30
Q

What line projects downward from the anterior axillary fold? What line is formed by lower border of pectoralis major?

A

Anterior axillary line

31
Q

What line projects downward from posterior axillary fold and is formed by tendon of Lat Dorsi Muscle?

A

Posterior axillary line

32
Q

What line runs right through the axilla?

A

Mid-Axillary Line

33
Q

The clavicular and scapular regions of upper thorax are innervated by?

A

C3-4

34
Q

The upper thorax is innervated by?

A

T1-5

35
Q

The Xiphoid process region is innervated by?

A

T6

36
Q

The Lower parts of the thorax and lateral/anterior abdominal wall are innervated by?

A

T7-12

37
Q

Where does the medial pectoral nerve arise from?

A

The medial cord of the brachial plexus

38
Q

Where does the lateral pectoral nerve arise from?

A

The lateral cord of the brachial plexus

39
Q

What intercostals extend from the vertebrae posteriorly to junction of ribs and intercostal cartilages?

A

External intercostals

40
Q

What intercostals begin at lateral edge of sternum and extend toward the vertebral column?

A

Internal Intercostals

41
Q

What are four or five slips that originate from the inferior sternum and extend superolaterally to internal surface of upper ribs

A

Transversus Thoracis

42
Q

This artery branches from the subclavian artery (for ribs 1-2) and the descending aorta (for ribs 3-12)

A

Posterior intercostal arteries

43
Q

This artery branches to become the internal thoracic (mammary) arteries

A

Anterior intercostal arteries

44
Q

This nerve has twelve pairs and each is derived from the ventral ramus of a spinal nerve

A

Intercostal nerve

45
Q

What comes from the internal thoracic artery and goes to the medial part of the mammary gland?

A

Anterior perforating arteries

46
Q

What comes from the 2nd-4th anterior perforating arteries and goes to the deep medial part of the mammary gland?

A

Medial Mammary Rami

47
Q

What goes from the lateral thoracic artery and goes to the inferior part of the mammary gland?

A

Lateral mammary artery

48
Q

What goes from the lateral cutaneous branches of intercostal arteries and goes to the lateral part of the mammary gland?

A

Lateral mammary rami

Adam KCU Anatomy I Exam 2 (16 decks)

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