Bones of the Upper Limb: Interactive Learning Quizzes for Medical Students

Question 1

Which bone in the upper limb is the longest?

Accepted Answer

Humerus

Answer

Clavicle

Answer

Ulna

Answer

Radius

Question 2

Which muscle is primarily responsible for pronating the forearm?

Accepted Answer

Pronator teres

Answer

Supinator

Answer

Triceps brachii

Answer

Biceps brachii

Question 3

Which type of fracture occurs when the bone is bent beyond its normal range of motion?

Accepted Answer

Greenstick fracture

Answer

Comminuted fracture

Answer

Avulsion fracture

Answer

Oblique fracture

Question 4

Which condition is a common cause of shoulder pain?

Accepted Answer

Rotator cuff tear

Answer

Ulnar nerve entrapment

Answer

Carpal tunnel syndrome

Answer

Osteoarthritis

Question 5

Which of the following bones is not part of the pectoral girdle?

Accepted Answer

Humerus

Answer

Clavicle

Answer

Scapula

Answer

Sternum

Question 6

The acromion process of the scapula articulates with which other bone?

Accepted Answer

Clavicle

Answer

Humerus

Answer

Radius

Answer

Ulna

Question 7

Which of the following is the longest bone in the upper limb?

Accepted Answer

Humerus

Answer

Radius

Answer

Ulna

Answer

Scapula

Question 8

The trochlea of the humerus articulates with which of the following bones?

Accepted Answer

Ulna

Answer

Radius

Answer

Humerus

Answer

Scapula

Question 9

Which of the following is not a type of carpal bone?

Accepted Answer

Phalanx

Answer

Pisiform

Answer

Capitate

Answer

Scaphoid

Question 10

The head of the radius articulates with which part of the ulna?

Accepted Answer

Radial notch

Answer

Trochlear notch

Answer

Olecranon process

Answer

Coronoid process

Question 11

The trochlea and capitulum of the humerus together form which joint?

Accepted Answer

Elbow

Answer

Glenohumeral

Answer

Humeroulnar

Answer

Radioulnar

Question 12

Which bone connects to the acromion process of the scapula?

Accepted Answer

Clavicle

Answer

Humerus

Answer

Radius

Answer

Ulna

Question 13

Which of the following bones articulates exclusively with the clavicle?

Accepted Answer

Scapula

Answer

Humerus

Answer

Ulna

Question 14

Which of the listed structures is NOT an anatomical landmark of the humerus?

Accepted Answer

Olecranon process

Answer

Radial sulcus

Answer

Coronoid fossa

Answer

Trochlear notch

Question 15

With which carpal bone does the distal end of the radius articulate?

Accepted Answer

Lunate

Answer

Triquetrum

Answer

Capitate

Answer

Scaphoid

Question 16

Through which anatomical structure in the forearm does the ulnar nerve pass?

Accepted Answer

Cubital tunnel

Answer

Flexor carpi radialis tunnel

Answer

Carpal tunnel

Answer

Guyon's canal

Question 17

Which of the following muscles is excluded from those involved in flexing the elbow?

Accepted Answer

Triceps brachii

Answer

Biceps brachii

Answer

Brachialis

Answer

Coracobrachialis

Question 18

Which bone is excluded from the proximal row of carpals?

Accepted Answer

Pisiform

Answer

Scaphoid

Answer

Lunate

Answer

Triquetrum

Question 19

Which of the following is NOT a distinctive feature of the scapula?

Accepted Answer

Radial notch, articulating with the radius bone of the forearm

Answer

Acromion process, providing attachment for muscles lifting the arm

Answer

Glenoid cavity, forming the joint with the humerus

Answer

Lateral glenoid recess, allowing the humeral head to glide during arm movements

Question 20

Where does the coracobrachialis muscle, responsible for flexing and adducting the arm, insert?

Accepted Answer

Medial epicondyle of the humerus, on the inner side of the elbow

Answer

Lateral epicondyle of the humerus, on the outer side of the elbow

Answer

Greater tubercle of the humerus, adjacent to the shoulder joint

Answer

Lesser tubercle of the humerus, below the greater tubercle

Question 21

What is the primary function of the olecranon process, a prominent bony projection at the proximal end of the ulna?

Accepted Answer

Providing an attachment site for the triceps brachii muscle, extending the elbow

Answer

Forming part of the elbow joint, articulating with the humerus

Answer

Articulating with the humerus, allowing forearm rotation

Answer

Providing a lever arm for forearm pronation and supination movements

Question 22

Which muscle, originating from the lateral epicondyle of the humerus, is primarily responsible for supinating the forearm, rotating it palm upwards?

Accepted Answer

Supinator, a muscle lying deep within the forearm, responsible for supination

Answer

Biceps brachii, flexing the elbow and supinating the forearm

Answer

Brachioradialis, flexing the forearm at the elbow joint

Answer

Pronator teres, a muscle on the inner side of the forearm, pronating the forearm

Question 23

What is the name of the bony prominence, formed by the distal end of the ulna, that articulates with the carpal bones, forming the wrist joint?

Accepted Answer

Styloid process, a slender projection at the end of the bone

Answer

Radial notch, a groove on the ulna that accommodates the radius bone

Answer

Olecranon process, a large projection at the proximal end of the ulna

Answer

Coronoid process, a projection on the ulna that forms part of the elbow joint

Question 24

Which of the following is the primary function of the rotator cuff muscle group in relation to the shoulder joint?

Accepted Answer

Stabilizing the shoulder joint

Answer

Flexing the shoulder joint

Answer

Extending the shoulder joint

Question 25

Which scapular process articulates with the clavicle to form the acromioclavicular joint?

Accepted Answer

Acromion

Answer

Coracoid process

Answer

Glenoid fossa

Answer

Spine

Question 26

Which of the following features is NOT present on the proximal humerus?

Accepted Answer

Coronoid fossa

Answer

Greater tubercle

Answer

Surgical neck

Answer

Deltoid tuberosity

Question 27

Which muscle attaches to the deltoid tuberosity of the humerus?

Accepted Answer

Deltoid

Answer

Biceps brachii

Answer

Triceps brachii

Answer

Brachioradialis

Question 28

The extensor compartment of the forearm is innervated by which nerve?

Accepted Answer

Radial nerve

Answer

Ulnar nerve

Answer

Median nerve

Answer

Musculocutaneous nerve

Question 29

A common clinical significance associated with a clavicle fracture is:

Accepted Answer

Disruption of shoulder mobility

Answer

Injury to the underlying brachial plexus

Answer

Rotator cuff tear

Answer

Carpal tunnel syndrome

Question 30

The type of joint formed between the clavicle and sternum is classified as a:

Accepted Answer

Fibrous joint

Answer

Synovial joint

Answer

Cartilaginous joint

Answer

Hinge joint

Question 31

Which imaging modality is primarily used to visualize and diagnose bone fractures?

Accepted Answer

X-ray

Answer

Ultrasound

Answer

Magnetic resonance imaging (MRI)

Answer

Computed tomography (CT)

Question 32

Which bone does NOT articulate with the clavicle?

Accepted Answer

Ulna

Answer

Scapula

Answer

Sternum

Answer

Humerus

Question 33

The acromion process of the scapula provides attachment for which muscle?

Accepted Answer

Deltoid

Answer

Trapezius

Answer

Triceps brachii

Answer

Biceps brachii

Question 34

Which of the following is NOT a feature of the proximal humerus?

Accepted Answer

Trochlea

Answer

Greater tubercle

Answer

Lesser tubercle

Answer

Radial fossa

Question 35

The radius and ulna articulate at which joint?

Accepted Answer

Radioulnar joint

Answer

Radiohumeral joint

Answer

Ulnohumeral joint

Answer

Humeroulnar joint

Question 36

Which of the following carpals articulates with the base of the 3rd metacarpal?

Accepted Answer

Capitate

Answer

Hamate

Answer

Pisiform

Answer

Triquetrum

Question 37

How do the structural differences between trabecular and cortical bone in the humerus affect its strength and flexibility?

Accepted Answer

Cortical bone, with its higher density, contributes more to the humerus' strength, while trabecular bone contributes to its flexibility.

Answer

Trabecular bone, with its lower density, contributes more to the humerus' strength, while cortical bone contributes to its flexibility.

Answer

Both trabecular and cortical bone equally contribute to both the strength and flexibility of the humerus.

Answer

Neither trabecular nor cortical bone has a significant influence on the humerus' strength or flexibility.

Question 38

Explain how the rotator cuff muscles work together to initiate and control shoulder movements.

Accepted Answer

The supraspinatus, infraspinatus, teres minor, and subscapularis muscles coordinate to control and stabilize the shoulder joint during abduction, extension, and external rotation.

Answer

The rotator cuff muscles primarily facilitate outward arm rotation.

Answer

The rotator cuff muscles have no significant role in shoulder movements.

Answer

The rotator cuff muscles are only active during shoulder abduction.

Question 39

The glenoid fossa of the scapula is a shallow depression that serves as the articulation point for which bone at the shoulder joint?

Accepted Answer

Humerus

Answer

Radius

Answer

Clavicle

Answer

Ulna

Question 40

The radial head, the proximal end of the radius, articulates with which bony structure of the ulna?

Accepted Answer

Radial notch

Answer

Trochlear notch

Answer

Olecranon process

Answer

Coronoid process

Question 41

Which bone in the forearm is located on the medial side (thumb side) of the radius?

Accepted Answer

Ulna

Answer

Humerus

Answer

Radius

Question 42

A fracture of the distal radius, often called a 'Colles' fracture, is most commonly associated with which type of injury?

Accepted Answer

A fall on an outstretched hand

Answer

A direct blow to the elbow

Answer

A hyperextension injury of the elbow

Answer

A twisting injury of the wrist

Question 43

Which carpal bone is most commonly fractured?

Accepted Answer

Scaphoid

Answer

Trapezium

Answer

Hamate

Answer

Capitate

Question 44

Which bony prominence of the ulna can be palpated on the posterior aspect of the elbow?

Accepted Answer

Olecranon process

Answer

Coronoid process

Answer

Medial epicondyle

Answer

Radial head

Question 45

The deltoid tuberosity, a roughened area on the lateral aspect of the humerus, serves as the insertion point for which muscle?

Accepted Answer

Deltoid muscle

Answer

Pectoralis major muscle

Answer

Biceps brachii muscle

Answer

Triceps brachii muscle

Question 46

The acromion process of the scapula articulates with which bone?

Accepted Answer

Clavicle

Answer

Radius

Answer

Humerus

Answer

Ulna

Question 47

Which bone in the upper limb is the longest?

Accepted Answer

Humerus

Answer

Radius

Answer

Ulna

Answer

Clavicle

Question 48

The trochlea of the humerus articulates with which bone?

Accepted Answer

Ulna

Answer

Clavicle

Answer

Scapula

Answer

Radius

Question 49

Which of these is a prominent feature found on the distal end of the radius?

Accepted Answer

Radial styloid process

Answer

Ulnar notch

Answer

Greater tubercle

Answer

Trochlea

Question 50

The carpals are organized into which two rows?

Accepted Answer

Proximal and distal

Answer

Anterior and posterior

Answer

Radial and ulnar

Answer

Superficial and deep

Question 51

The pisiform bone is a sesamoid bone associated with which muscle?

Accepted Answer

Flexor carpi ulnaris

Answer

Triceps brachii

Answer

Flexor carpi radialis

Answer

Brachioradialis

Question 52

Which clinical issue is commonly associated with the clavicle due to its exposed position?

Accepted Answer

Fracture risk

Answer

Carpal tunnel syndrome

Answer

Cubital tunnel syndrome

Answer

Compression of the brachial plexus

Question 53

The supraclavicular fossa is located between the clavicle and which other structure?

Accepted Answer

First rib

Answer

Humerus

Answer

Sternum

Answer

Scapula