Extremities Part 4 (Upper Skeletal Features)

Question 1

What two bones make up the pectoral girdle?

Answer 1

Clavicle
scapula

Question 2

What is the medial end of the clavicle?

Answer 2

Sternal end (extremity)

Question 3

What is the lateral end of the clavicle?

Answer 3

Acromial end (extremity)

Question 4

What is the vernacular for “scapula”?

Answer 4

Shoulder blade

Question 5

What is the ridge of bone of the posterior side of the scapula?

Answer 5

Spine of the scapula

Question 5

What bone prominence of the scapula can be palpated on the lateral side?

Answer 5

Acromion

Question 6

What is the overall shape of the scapula?

Answer 6

Triangular

Question 7

The scapula is a flat bone. What are its three edges?

Answer 7

Superior border
Medial border
Lateral border

Question 8

What are the three meeting points of the edges of the scapula?

Answer 8

Superior angle
Inferior angle
Lateral angle

Question 9

With what part of the scapula does the humerus articulate?

Answer 9

Glenoid cavity

Question 10

What bony process lies superior to the scapula’s articulation with the humerus and servers as the origin for the long head of the biceps brachii?

Answer 10

Supraglenoid tubercle

Question 11

What bony process lies inferior to the scapula’s articulation with the humerus and serves as the origin for the long head of the triceps brachii?

Answer 11

Infraglenoid tubercle

Question 12

What is the broad, relatively smooth anterior depression of the scapula?

Answer 12

Subscapular fossa

Question 13

What is the depression superior to the spine of the scapula?

Answer 13

Supraspinous fossa

Question 14

What is the depression inferior to the spine of the scapula?

Answer 14

Infraspinous fossa

Question 15

What is the anterior process that has the form of a crow’s beak on the scapula?

Answer 15

Coracoid process

Question 16

What is the only bone of the brachium?

Answer 16

Humerus

Question 17

What part of the humerus articulates with the scapula?

Answer 17

Head

Question 18

What bony prominence of the humerus lies proximally and laterally?

Answer 18

Greater tubercle

Question 19

What bony prominence of the humerus lies proximally and anteriorly

Answer 19

Lesser tubercle

Question 20

Through what feature of the humerus does the tendon of the long head of the biceps brachii run?

Answer 20

Intertubercular (bicipital) groove (sulcus)

Question 21

What feature of the humerus is the location of the epiphyseal plate or line?

Answer 21

Anatomical neck

Question 22

What feature of the humerus lies in the proximal region where the bone begins to narrow?

Answer 22

Surgical neck

Question 23

What are two terms for the long, central region of the scapula or any other long bone?

Answer 23

Shaft or diaphysis

Question 24

What rough prominence lies on the lateral side of the middle portion of the humerus?

Answer 24

Deltoid tuberosity

Question 25

What are distal, easily palpated bony projections of the humerus?

Answer 25

Epicondyles

Question 26

What feature of the humerus articulates with the head of the radius?

Answer 26

Capitulum

Question 27

What feature of the humerus articulates with the ulna?

Answer 27

Trochlea

Question 28

What is the distal, lateral depression on the anterior side of the humerus?

Answer 28

Radial fossa

Question 29

What is the distal, medial depression on the anterior side of the humerus?

Answer 29

Coronoid fossa

Question 30

What is the distal depression on the posterior side of the humerus?

Answer 30

Olecranon fossa

Question 31

What are the prominent, rough distal, lateral and medial margins of the humerus proximal to the epicondyles?

Answer 31

Supracondylar ridges

Question 32

From lateral to medial, what are the two bones of the forearm?

Answer 32

Radius (lateral) Ulna (medial)

Question 33

What is the relation of the radius and ulna in the anatomical postion?

Answer 33

Parallel

Question 34

Which of the two bones of the forearm moves during pronation?

Answer 34

Crossed (the radius rotates around the ulna)

Question 35

What portion of the radius articulates with the humerus?

Answer 35

Head

Question 36

What narrow region of the radius lies just distal to the articulation with the humerus?

Answer 36

Neck

Question 37

On what prominence of the radius does the biceps brachii insert?

Answer 37

Radial tuberosity

Question 38

What bony projection of the radius can be palpated on the distal, lateral side of the forearm?

Answer 38

Styloid process

Question 39

What distal feature of the radius articulates with the ulna?

Answer 39

Ulnar notch

Question 40

What feature of the ulna articulates with the humerus?

Answer 40

Trochlear notch

Question 41

What prominent projection of the ulna forms the posterior "bump" of the elbow?

Answer 41

Olecranon

Question 42

What prominence of the ulna forms the inferior lip of the trochlear notch?

Answer 42

Coronoid process

Question 43

What feature of the ulna forms a part of the proximal radioulnar joint?

Answer 43

Radial notch

Question 44

What feature of the ulna appears as a bump on the distal, medial side of the forearm?

Answer 44

Head

Question 45

What feature of the ulna can be palpated on the distal, medial side of the forearm?

Answer 45

Styloid process

Question 46

What sheet of dense regular connective tissue lies between the radius and ulna?

Answer 46

Interosseous membrane

Question 47

What is the collective name of the eight small bones of the wrist?

Answer 47

Carpals

Question 47

From lateral to medial, what bones form the proximal row of carpals?

Answer 47

Scaphoid Lunate Triquetrum (triquetral) Pisiform

Question 48

From lateral to medial, what bones form the distal row of carpals?

Answer 48

Trapezium trapezoid capitate hamate

Question 49

What long bones support the palm of the hand?

Answer 49

Metacarpals

Question 50

How are the bones in the palm of the hand numbered?

Answer 50

From lateral to medial 1-5

Question 51

What are the bones in the digits?

Answer 51

Phalanges

Question 52

How many bones are in the thumb?

Answer 52

2

Question 53

What bone in the thumb articulates with the first metacarpal?

Answer 53

Proximal phalanx

Question 54

What bone in the thumb lies within the segment of that digit with the nail?

Answer 54

Distal phalanx

Question 55

Digits II through V each have three bones. How are they designated?

Answer 55

Proximal phalanx Middle phalanx Distal phalanx

Question 56

What is the difference between the digits and the phalanges?

Answer 56

Digits are fingers and toes (skeletal elements and soft tissue) Phalanges are the skeletal elements

Question 57

What saddle joint is the only articulation between the pectoral girdle and the axial skeleton?

Answer 57

Sternoclavicular joint

Question 58

What is the name of the articulation between the clavicle and the scapula?

Answer 58

Acromioclavicular joint

Question 59

What is the most unstable join of the body?

Answer 59

Glenohumeral (shoulder) joint

Question 60

What three joints occur at what is commonly called the elbow?

Answer 60

Humeroulnar joint humeroradial joint proximal radioulnar joint

Question 61

Which of the two bones of the forearm is involved in the articulation with the carpals?

Answer 61

Radius

Question 62

Of the eight carpals, which are involved in the articulation with the forearm?

Answer 62

Scaphoid Lunate Triquetrum

Question 63

What articulations occur between the carpals?

Answer 63

Intercarpal articulations

Question 63

What joints lie between the carpals and metacarpals?

Answer 63

Carpometacarpal joints

Question 64

What joints. lie between the metacarpals and the palanges?

Answer 64

Metacarpophalangeal joints

Question 65

What joints lie between the proximal phalanx and the middle phalanx of digits 2-5?

Answer 65

Proximal interphalangeal (PIP) joints

Question 66

What joints lie between the middle phalanx and the distal phalanx of digits 2-5?

Answer 66

Distal interphalangeal (DIP) joints

Question 67

What joint lies between the phalanges of the first digit?

Answer 67

Interphalangeal joint