Upper Limb Bones

Question 1

What is the pectoral girdle composed of?

Answer 1

• clavicle

- scapula

Question 2

What is the only direct articulation between each pectoral girdle and the axial skeleton?

Answer 2

• sternoclavicular joint

Question 3

What is the clavicle?

Answer 3

• the collar bone

Question 4

What is the scapula?

Answer 4

• shoulder blade

Question 5

What are the two ends of the clavicle?

Answer 5

• sternal end: sternum

- acromial end: scapula

Question 6

What are the three borders of the scapula?

Answer 6

• superior border
• medial border
• lateral border

Question 7

What are the two joints at each end of the clavicle?

Answer 7

• Sternoclavicular joint (medial)

- Acromioclavicular joint (lateral)

Question 8

How many bones are in each upper limbs?

Answer 8

• 30 bones

Question 9

How many bones are in the arm?

Answer 9

• 1 bone

- humerus

Question 10

How many bones are in the forearm?

Answer 10

• 2 bones

- ulna, radius

Question 11

How many bones are in the wrist?

Answer 11

• 8 bones

- carpals

Question 12

How many bones are in the hand?

Answer 12

• 19 bone
• metacarpals
• phalanges

Question 13

Where is the head of the radius located?

Answer 13

• at the elbow

Question 14

Where is the head of the ulna located?

Answer 14

• at the wrist

Question 15

Where is the styloid process located on the ulna?

Answer 15

• at the wrist

Question 16

Where is the styloid process located on the radius?

Answer 16

• at the wrist

Question 17

What are the joints in the elbow?

Answer 17

• radiohumeral joint

- ulnohumeral joint

Question 18

What are the joints between the carpal bones called?

Answer 18

• intercarpal joints

Question 19

What do the carpal bones in the proximal row articulate with?

Answer 19

• distal radius and ulna to form the wrist joint

Question 20

Which carpals are in the proximal row?

Answer 20

• scaphoid (thumb)
• lunate
• triquetrum
• pisiform

Question 21

Which carpals are in the distal row?

Answer 21

• trapezium
• trapezoid
• capitate
• hamate

Question 22

What are the joints called between the carpals and metacarpals?

Answer 22

• carpometacarpal joints

Question 23

What are the joints between the metacarpals and proximal phalanges?

Answer 23

• metacarpophalangeal joints

Question 24

What are the joints between the phalanges

Answer 24

• interphalangeal joints

proximal and distal