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BIO 2300 Unit 3 > UL Concept A > Flashcards

UL Concept A Flashcards

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Biology 101 flashcards
1
Q

Name the two bones of the pectoral girdle?

A

Clavicle and scapula

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2
Q

How many bones in the hand?

A

8 carpals
5 metacarpals
14 phalanges

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3
Q

Spine of scapula. What is the relevance?

A

Partial distal attachment of deltoid and trapezius.

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4
Q

Which is posterior? Acromion or coracoid process?

A

Acromion

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5
Q

Relevance of acromion?

A

Partial attachment of deltoid and trapezius.

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6
Q

Relevance of supraspinous fossa?

A

Proximal attachment: supraspinatus m.

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7
Q

Relevance of infraspinous fossa?

A

Proximal attachment: infraspinatus

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8
Q

Relevance of subscapular fossa?

A

Proximal attachment: subscapularis m.

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9
Q

How many muscles attach to coracoid process?

A

3

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10
Q

Relevance of glenoid cavity?

A

Articulates with head of humerus (shoulder joint)

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11
Q

What does the sternal end of the clavicle articulate with?

A

The manubrium of sternum

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12
Q

What are the two ends of clavicle called?

A

Acromial end

Sternal end

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13
Q

Which is superior- the rough or smooth surface of clavicle?

A

Smooth

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14
Q

What is the name of the anterior main portion of scapula?

A

Subscapular fossa

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15
Q

What is the name of the area superior to spine of scapula?

A

Supraspinous fossa

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16
Q

What is the name of the area inferior to spine of scapula?

A

Infraspinous fossa

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17
Q

What is the line around head of humerus?

A

Anatomical neck

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18
Q

What is the lateral large portion near the head of humerus? (Anterior view)

A

Greater tubercle

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19
Q

What is the anterior small portion near the head of humerus?

A

Lesser tubercle

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20
Q

What is the deep line between the tubercles near the head of humerus? (Anterior view)

A

Intertubercular sulcus

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21
Q

What is the area just inferior to head of humerus called? (Anterior view)

A

Surgical neck

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22
Q

What is the small protruding bump on the lateral portion of the shaft of humerus called?

A

Deltoid tuberosity

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23
Q

What is the deep socket on distal end of humerus? (Anterior view)

A

Coronoid fossa

24
Q

What are the two articulating surfaces of the distal end of the humerus? (Anterior view)

A

Capitulum and trochlea

25
Q

Which is medial- Trochlea or capitulum?

A

Trochlea

26
Q

What are the bumpy superior surfaces of the distal end of humerus called?

A

Medial and lateral epicondyle

27
Q

Greater tubercle of humerus is seen both posterior and anterior view. True or false?

A

True

28
Q

What is the deep socket at distal end of humerus called? (Posterior view)

A

Olecranon fossa

29
Q

Which articulating surface of distal humerus is the only one that can be seen in posterior view?

A

Trochlea

30
Q

What does head of humerus do?

A

Articulates with glenoid cavity of scapula

31
Q

What is the relevance of surgical neck?

A

Axillary nerve course around

Also, area more likely to fracture than anatomical neck.

32
Q

Relevance of greater tubercle?

A

Distal attachment for 3 of 4 rotator cuff muscles

33
Q

Relevance of l esser tubercle?.

A

Distal attachment of 1 of 4 rotator cuff muscles

34
Q

Relevance of Intertubercular sulcus?

A

Passageway for a tendon; biceps brachii long head muscle

35
Q

Relevance of capitulum?

A

Articulates with the head of the radius

36
Q

Trochlea relevance?

A

Articulates with trochlear notch of ulna

Structural pivot point (fulcrum) for elbow

37
Q

Relevance of lateral and medial Epicondyles?

A

Several as proximal attachments for group muscles located in forearm

38
Q

Which, of ulna and radius, has a head that is attached to humerus?

A

Radius

39
Q

Which, of ulna and radius, has a head that is more distally located than the other?

A

Ulna

40
Q

What is the large groove at proximal end of ulna?

A

Trochlear notch

41
Q

What is the superior projection relative to trochlear notch?

A

Olecranon process

42
Q

What is the inferior projection relative to trochlear notch?

A

Coronoid process

43
Q

What is the bump near proximal end of radius?

A

Radial tuberosity

44
Q

Where is the neck of the radius located?

A

Between the head and radial tuberosity

45
Q

What are the two tooth like projections from the distal ends of ulna and radius?

A

Styloid processes

46
Q

What is the tooth like projection coming from distal end of ulna called?

A

Ulnar styloid process

47
Q

What is the tooth like projection coming from distal end of radius called?

A

Radial styloid process

48
Q

Relevance of radius?

A

Articulates with capitulum of humerus

49
Q

Relevance of radial tuberosity?

A

Distal attachment of biceps brachii

50
Q

Relevance of radial styloid process?

A

Distal attachment: brachioradialis

51
Q

Relevance of olecranon process?

A

Distal attachment: triceps brachii

52
Q

Relevance of coronoid process?

A

Distal attachment: brachialis

53
Q

Relevance of trochlear notch?

A

It (with ligaments) limits action at elbow to flexion and extension

54
Q

Names of first row of carpal bones? (Lateral to medial)

A

Scaphoid
Lunate
Triquetreum & pisiform

55
Q

Names of second row of carpal bones? (Lateral to medial)

A

Trapezium
Trapezoid
Capitate
Hamate

56
Q

Which bones of carpal fuse?

A

Pisiform and triquetreum

57
Q

Which fused carpal bone superimposed in x-ray ?

A

Pisiform

BIO 2300 Unit 3 (8 decks)

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