Bones

Question 1

What are the bones that make up the upper limb?

Answer 1

Scapula, Clavicle, Humerus, Ulna, Radius, Carpus, Metacarpals, Phalanges

Question 2

What type of bone is the scapula?

Answer 2

flat

Question 3

What muscle attaches to the supraspinous fossa?

Answer 3

supraspinatus

Question 4

What three bone markings appear on the convex posterior surface of the scapula?

Answer 4

spine of the Scapula, supraspinous fossa, infraspinous fossa

Question 5

What bone marking appears on the concave costal surface of the scapula?

Answer 5

subscapula fossa

Question 6

What bone markings are located on the lateral surface of the scapula?

Answer 6

glenoid cavity, infraglenoid tubercle, supraglenoid tubercle

Question 7

What bone marking is located at the lateral end of the spine of the scapula?

Answer 7

acromion

Question 8

What bone making of the scapula articulates with the head of the humerus at the glenohumeral joint?

Answer 8

glenoid fossa

Question 9

What is the longest bone in the forearm?

Answer 9

the ulna

Question 10

What bone marking is superior to the glenoid cavity?

Answer 10

the coracoid process

Question 11

Are fractures of the scapula common?

Answer 11

No, a fracture would indicate severe chest trauma possibly caused by a pedestrian - vehicle collision

Question 12

What is the treatment for a fracture of the scapula?

Answer 12

No treatment, tone of surrounding muscles holds the scapula in place

Question 13

What is ‘winging of the scapula’?

Answer 13

nerve damage to serratus anterior, which causes the scapula to protrude from the back when pushing with the arm

Question 14

What does the sternal end of the clavicle articulate with?

Answer 14

the manubrium of the sternum

Question 15

What does the acromial end of the clavicle articulate with?

Answer 15

the acromion of the scapula

Question 16

How is the clavicle commonly fractured?

Answer 16

falling on an outstretched hand, which transmits an indirect force to the clavicle

Question 17

What are the two prominent projections of the proximal end of the ulna?

Answer 17

the olecranon posteriorly and the coronoid process anteriorly

Question 18

What articulates with the trochlear notch of the ulna?

Answer 18

the trochlea of the humerus

Question 19

How many carpal bones make up the wrist?

Answer 19

8

Question 20

What are the 4 bones that make up the proximal row of carpals?

Answer 20

scaphoid, lunate, triquetrum, pisiform

Question 21

What shape is the scaphoid?

Answer 21

boat - shaped

Question 22

What shape is the lunate?

Answer 22

moon - shaped

Question 23

What are the 4 bones that make up the distal row of carpals?

Answer 23

capitate, hamate, trapezium, trapeziod

Question 24

What are the three phalanges of the digits?

Answer 24

proximal, middle, distal

Question 25

Where and what shape is the pisiform?

Answer 25

a small, pea-shaped bone that lies on the palmar surface of the triquetrum

Question 26

What shape is the capitate?

Answer 26

head-shaped bone, largest bone in the carpus

Question 27

What shape is the hamate?

Answer 27

a wedge-shaped bone which has a hooked process, the hook of hamate, that extends anteriorly

Question 28

What bone marking is present near the acromial end of the clavicle at the bottom of the superior surface?

Answer 28

deltoid tubercle

Question 29

What bone marking is present near the acromial end of the clavicle at the bottom of the inferior surface?

Answer 29

the conoid tubercle

Question 30

What is the membrane that is present between the radius and ulna?

Answer 30

interosseous membrane | (inter - between, os - bone)

Question 31

What are sesamoid bones?

Answer 31

bones embedded in a tendon (patella)

Question 32

Which part of the humerus articulates with the glenoid cavity of the scapula?

Answer 32

head of humerus

Question 33

What separates the lesser tubercle from the greater tubercle on the head of the humerus?

Answer 33

intertubercular sulcus (bicipital groove)

Question 34

What nerve is likely to be injured during a surgical fracture of the humerus?

Answer 34

axillary nerve

Question 35

What separates the the head of the humerus from the tubercles?

Answer 35

anatomical neck of the humerus

Question 36

Where is the humerus most commonly fractured?

Answer 36

at the surgical neck

Question 37

What are the two prominant features on the shaft of the humerus?

Answer 37

the deltoid tuberosity laterally, radial groove posteriorly

Question 38

What runs up the intertubercular groove?

Answer 38

long head of the biceps which then attaches to supraglenoid tubercle of scapula

Question 39

What three muscles attach to the bicipital groove (intertubercular sulcus)?

Answer 39

pectoralis major (lateral lip) (C), latissimus dorsi (floor) (B), teres major (medial lip) (I) the Lady (Latissimus dorsi) lying between two Majors (pectoralis and teres)

Question 40

What three fossa appear at the distal end of the humerus?

Answer 40

coronoid fossa, olecranon fossa, radial fossa

Question 41

What nerve is most likely to be damaged after a break to the medial epicondyle of the humerus?

Answer 41

ulnar nerve

Question 42

What nerve is most likely to be damaged after a break near the radial groove (spiral fracture)?

Answer 42

radial nerve

Question 43

What carpal bone is indicated by label 6?

Answer 43

trapezium