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Basic science for MRCS > 3 - The Upper Limb And Breast > Flashcards

3 - The Upper Limb And Breast Flashcards

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Biology 101 flashcards
1
Q

Pectoral girdle consists of 2 bones:

A

Clavicle
Scapula

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2
Q

Pectoral girdle consists of 2 bones:

A

Clavicle
Scapula

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3
Q

Scapula extends from which ribs?

A

2nd until 7th ribs

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4
Q

Clavicle surfaces: (2 points)

A

Medial 2/3rd convex anteriorly and circular
Lateral 1/3rd is flattened

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5
Q

Pectoral girdle are joined to ?

A
  • Axial skeleton by sternoclavicular joint
  • Each other by acromioclavicular joint
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6
Q

Pectoral girdle consist of ?

A

2 bones

  • Clavicle
  • Scapula
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7
Q

What are the bones of upper limb?

A
  • Scapula
  • Clavicle
  • Humerus
  • Radius
  • Ulnar
  • Carpal
  • Metacarpal
  • Phalanges
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7
Q

Scapula extends from which ribs ?

A

2nd until 7th ribs

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8
Q

Describe the convexity of the clavicle

A
  • Medial 2/3 convex anteriorly and circular in cross dissection
  • Lateral 1/3 convex posteriorly and flattened in cross dissection
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9
Q

What is the medial articulation of the clavicle?

A
  • Medially at the sternoclavicular joint
  • Attached to 1st costal cartilage by the costoclavicular ligaments
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10
Q

What is lateral articulation of the clavicle?

A
  • Laterally with acromion at the acromioclavicular joint (incomplete articular disc in joint)
  • Attached to coracoid process by tough coracoclavicular ligaments
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11
Q

Which bone of upper limb that has no medullary cavity, first to ossify in fetus and the only long bone develop in membrane ?

A

Clavicle

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12
Q

Clavicle is the most common fractured bone in body. Usually happen at ?

A

Junction of middle and outer third

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13
Q

Where is the direction of head of humerus ?

A

Is a third of sphere and faces medially, upwards and backwards

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14
Q

Head of humerus are separated from greater and lesser tubercle by __________.

A

Anatomical neck of humerus

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15
Q

Greater and lesser tubercle are separated by ? The groove contain ______.

A

Bicipital groove
Contains tendon of long head of biceps

16
Q

Where does the head and shaft of humerus met ? What structure lies within ?

A

Surgical neck of humerus
Lies the axillary artery and circumflex humeral vessels

17
Q

Shaft is _______ in section above and _______ lower down.

A

Circular
Flattened

Basic science for MRCS (18 decks)

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