Multiple Choice Questions on Upper Limb Anatomy:Humerus & Radius

Why Multiple Choice Questions on Upper Limb Anatomy ?

Any student of medicine, nursing or allied health studies anatomy of the skeletal system as one of the the first units in their school. Often students find it difficult to remember the names of parts of these bones.

Most of the questions from this section will be recall type questions. Learning by taking tests is a good way to revise the anatomy of bones as it helps to retain memory for a longer time.

The Humerus-Introduction

The humerus is a long bone with a shaft and two extremities. Head of the humerus articulates the scapula to form the shoulder joint. The upper end of the bone has head of humerus, greater tubercle and lesser tubercle

The shaft of the humerus has three borders; anterior border, lateral border and medial border

It also has three surfaces; anterolateral surface, anteromedial surface and posterior surface

The lower end of the humerus is flat and has both articular (Capitulum and Troclea) and non-articular parts. (medial and lateral epicondyles, medial and lateral supracondylar ridges, coronoid fossa, radial fossa and lecranon fossa.

The humerus ossifies from one primary center and seven secondary centers.

The three nerves directly related to humerus are axillary nerve, radial nerve and ulnar nerve

The common sites of fracture for humerus are the surgical neck, shaft and the supracondylar region

Features of the Humerus - Anatomy Tutorial

MCQs on Humerus

For each question, choose the best answer. The answer key is below.

1. The line separating the head of the humerus from the rest of the upper end is called
   • Anatomical neck
   • Greater tubercle
   • Lesser tubercle
   • Surgical neck
2. The line separating the upper end of the humerus from the shaft is called
   • Anatomical neck
   • Greater tubercle
   • Lesser tubercle
   • Surgical neck
3. The lower end of the humerus articulates with the head of the radius at
   • Capitulum
   • Troclea
   • Lateral supracondylar ridge
   • Medial supracondylar ridge
4. The muscle which is inserted into the lesser tubercle of the humerus is
   • infraspinatus
   • subscapularis
   • supraspinatus
   • teres major
5. The muscle which is not inserted into the greater tubercle of humerus is
   • supraspinatus
   • infraspinatus
   • teres minor
   • teres major
6. The muscle which is not inserted into the tubercular sulcus of humerus is
   • pectoralis major
   • lattissimus dorsi
   • teres major
   • teres minor

Answer Key

1. Anatomical neck
2. Surgical neck
3. Capitulum
4. subscapularis
5. teres major
6. teres minor

X-ray of arm showing absent radius and radially deviated hand, caused by Thrombocytopenia and Absent Radius syndrome

The Radius - Introduction

The radius is bone of the forearm.

It is placed laterally.

Radius has

• Upper end
• Shaft
• Lower end

Upper end of radius-Anatomical Land marks

• Hyaline cartilage covers the disc shaped head of the radius
• Upper end of the radius articulates with the humerus at the capitulum
• The superior radio ulnar joint is formed by the head of the radius, radial notch of the ulna and the annular ligament
• Radial fossa is a non-articular part at the lower end of humerus which accommodates the head of the radius when the elbow is fixed

MCQs

For each question, choose the best answer. The answer key is below.

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1. At which of the following part of the radius the superior radio ulnar joint is formed?
   • Upper end
   • Shaft
   • Lower end
2. At which of the following part of the radius the tuberosity lies?
   • Upper end
   • Shaft
   • Lower end

Answer Key

1. Upper end
2. Upper end

The Shaft of the radius-Anatomical Land marks

The shaft has three borders

• Anterior
• Posterior
• Medial

It also has three surfaces

• Anterior
• Posterior
• Lateral

Right posterior human distal radius and ulna

MCQs

For each question, choose the best answer. The answer key is below.

1. On which of the following border of radius, the anterior oblique line is seen?
   • Anterior
   • Medial
   • Posterior
2. On which of the following border of radius, the posterior oblique line is seen?
   • Anterior
   • Medial
   • Posterior
3. Which one of the following borders of radius is known as the inter-osseous border?
   • Anterior
   • Medial
   • Posterior
4. Which is the sharpest border of the radius?
   • Anterior
   • Medial
   • Posterior
5. At which of the following part of radius, a nutrient foramen opens?
   • Anterior border
   • Anterior surface
   • Posterior surface

Answer Key

1. Anterior
2. Posterior
3. Medial
4. Medial
5. Anterior surface

Radius and Ulna - Anatomy Tutorial

Lower end of radius-Anatomical Land marks

The land marks of the lower end of radius are

• Dorsal tubercle of Lister
• Ulnar notch
• Styloid process

MCQs

For each question, choose the best answer. The answer key is below.

1. How many surfaces does the lower end of the radius have?
   • Three
   • Four
   • Five
   • Six
2. At which of the following parts of the radius the radial artery is palpated?
   • Lower end
   • Shaft
   • Upper end
3. At which of the following parts of the lower end of radius the dorsal tubercle lies?
   • Anterior surface
   • Lateral Surface
   • Medial Surface
   • Posterior surface
4. At which of the following parts of the lower end of radius the ulnar notch lies?
   • Anterior surface
   • Lateral Surface
   • Medial Surface
   • Posterior surface
5. At which of the following parts of the lower end of radius the styloid process lies?
   • Inferior Surface
   • Lateral Surface
   • Medial surface
   • Posterior surface
6. At which of the following parts of the lower end of radius is the scaphoid bone is attached?
   • Inferior surface
   • Lateral surface
   • Medial surface
   • Posterior surface
7. At which of the following parts of the lower end of radius is the lunate bone attached?
   • Inferior surface
   • Lateral surface
   • Medial surface
   • Posterior surface

Answer Key

1. Five
2. Lower end
3. Posterior surface
4. Medial Surface
5. Lateral Surface
6. Inferior surface
7. Inferior surface

Biceps Brachii

Attachments on the radius are

• Biceps brachii
• Supinator
• Pronator teres
• Brachioradialis
• Flexor digitorum superficialis
• Flexor pollicis longus
• Pronator quadratus
• Abductor pollicis longus
• Extensor pollicis brevis
• Quadrate ligament
• Oblique cord
• Articular capsule of the wrist joint
• Articular disc of the radio ulnar joint
• Extensor retinaculum
• Inter-osseous membrane

MCQs

For each question, choose the best answer. The answer key is below.

1. Which of the following muscle is inserted into the radial tuberosity?
   • Biceps brachii
   • Brachioradialis
   • Pronator teres
   • Supinator
2. Which of the following muscle is NOT inserted into the lateral surface of the shaft of the radius?
   • Biceps brachii
   • Brachioradialis
   • Pronator teres
   • Supinator
3. Which of the following muscle is inserted just above the styloid process?
   • Biceps brachii
   • Brachioradialis
   • Pronator teres
   • Supinator
4. Which of the following muscle arise from the posterior surface of the shaft of the radius?
   • Flexor digitorum superficialis
   • Flexor pollicis longus
   • Pronator quadratus
   • Abductor pollicis longus
5. Which is the common fracture to the radius?
   • Bennett’s
   • Colles’s
   • Smith’s

Answer Key

1. Biceps brachii
2. Biceps brachii
3. Brachioradialis
4. Abductor pollicis longus
5. Colles’s

Other related hubs

• What is Distal Radius Fracture - Where to Buy a Splint for this Fracture?
  
• Multiple Choice Questions on Upper Limb Anatomy-Clavicle and Scapula
  Upper limb bones are the first one to be studied in anatomy classes. Upper limb has a total of 64 bones. Answering mcqs is one of the ways to study bones, their borders, surfaces and attachments

Ossification of Radius

There are three ossification centers for radius. One at the centre of the body and two others at lower and upper ends. Ossification at the shaft start very early n fetal life (around eighth week). Ossification of the lower end of the bone commences earlier (at around second year) than that of the upper end(around fifth year).

Comments

JR Krishna (author) from India on June 28, 2014:

Hi Peggy W

Thanks for the visit

Peggy Woods from Houston, Texas on June 28, 2014:

I remember studying all of this when I took anatomy and physiology in nursing school many years ago. Good presentation! Up and interesting votes.

JR Krishna (author) from India on October 07, 2013:

Hi DDE

Thanks for that lovely comment

Devika Primić from Dubrovnik, Croatia on October 07, 2013:

Multiple Choice Questions on Upper Limb Anatomy- Radius great presentation yet again you managed to come up with another useful hub, an informative and well approached hub in detail.