Osteology Of the upper Limb

Question 1

The medial and lateral curves of the clavicle are shaped how

Answer 1

Convex and concave respectively

Question 2

Notable parts of the ulna are

Answer 2

Olecranon process, Coronoid process, Trochlear notch, Ulnar tuberosity, styloid process

Question 3

Regions of the upper limb

Answer 3

Shoulder, Arm, Forearm, Hand

Question 4

Hand is also called

Answer 4

Manus

Question 5

Arm is also called

Answer 5

Brachium

Question 6

Forearm is also called

Answer 6

Antebrachium

Question 7

The superior surface of the clavicle is ________ and the inferior surface is ________ with regard to their texture

Answer 7

Smooth, roughened

Question 8

Fracture of the clavicle is common

Answer 8

At the middle and lateral third

Question 9

Is the spine of the scapula located anteriorly or posteriorly?

Answer 9

Posteriorly

Question 10

The spine of the scapula divides the scapula into

Answer 10

Supraspinous and infraspinous fossa

Question 11

The muscles in the posterior surface of the scapula are

Answer 11

Supraspinatus and infraspinatus muscles

Question 12

The groove between the greater and lesser tubercules is called

Answer 12

Intertubercular sulcus/ Bicipital groove

Question 13

What is the main function on the shoulder girdle

Answer 13

To join the rest of the upper limb to the axial skeleton

Question 14

The humerus articulates distally with

Answer 14

The radius and ulna bones of the forearm

Question 15

The humerus articulates proximally with

Answer 15

The glenoid fossa of the scapula

Question 16

The deltoid tuberosity is important because

Answer 16

It is an insertion point for the Deltoid muscle

Question 17

The radial groove is important because

Answer 17

The radial nerve passes through it

Question 18

The trochlea articulates with

Answer 18

The trochlear notch of the ulna

Question 19

The capitulum articulates with

Answer 19

The radial head of the radius

Question 20

The largest carpal bone is

Answer 20

Capitate

Question 21

The largest carpal bone on the proximal row is

Answer 21

Scaphoid

Question 22

The proximal carpal bones are

Answer 22

Scaphoid, lunate, triquetrum, pisiform

Question 23

The distal carpal bones are

Answer 23

Trapezium, trapezoid , capitate hamate

Question 24

A direct injury to the forearm bones usually produces transverse fractures at which part of the bones

Answer 24

The middle third

Question 25

The fracture of forearm bone is likely to be associated with a dislocation of the nearest joint why

Answer 25

Because the shafts of these bones are firmly bound together by the interosseous membrane

Question 26

What is a colles fracture

Answer 26

A complete fracture of the distal 2cm of the radius

Question 27

The most common fracture of the forearm is the

Answer 27

Colles fracture

Question 28

The colles fracture is often referred to as

Answer 28

Dinner fork deformity

Question 29

Why is Colles fracture called the dinner fork deformity

Answer 29

Because a posterior angulation occurs in the forearm just proximal to the wrist and the normal anterior curvature of the relaxed hand

Question 30

What is the most frequently fractured carpal bone

Answer 30

Scaphoid

Question 31

In the fracture of the scaphoid, on palpation, pain is produced where

Answer 31

In the anatomical snuff box, on the lateral side of the wrist, especially during Dorsiflexion and abduction of the hand

Question 32

Why is a fracture of the scaphoid more visible 10-14 days after on the radiograph

Answer 32

Because bone resorption would have taken place

Question 33

What is the reason for slow healing process of a fracture of the scaphoid

Answer 33

Poor blood supply to the proximal part of the scaphoid

Question 34

Fracture of the scaphoid is often misdiagnosed as

Answer 34

Severely strained wrist

Question 35

Fracture of the hamate may result in non union of the fractured bony parts why

Answer 35

Because of the traction produced by attached hypothenar muscles

Question 36

Fracture of the hamate may also affect

Answer 36

The ulnar nerve- resulting in reduced grip strength of the hand
The ulnar artery

Question 37

Fracture of the hamate may also affect

Answer 37

The ulnar nerve- resulting in reduced grip strength of the hand
The ulnar artery

Question 38

Isolated fracture of the metacarpals are usually stable why

Answer 38

Because the metacarpals except the 1st are closely bound together

Question 39

Fracture of the 5th metacarpal is also called

Answer 39

Boxer’s fracture