Falling on an Outstretched Hand

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Which bone is the most frequently fractured carpal bone in the upper limb?

Radius

Humerus

Clavicle

Scaphoid (correct)

What is the mechanism of fracture in Colles' fracture?

The force drives the distal fragment posteriorly and superiorly. (correct)

The force drives the proximal fragment posteriorly and superiorly.

The force drives the distal fragment anteriorly and inferiorly.

The force drives the proximal fragment anteriorly and inferiorly.

Which structures are commonly injured in Colles' fracture?

Long flexor tendons and long extensor tendons (correct)

Flexor retinaculum and long extensor tendons

Long flexor tendons

Long extensor tendons

Which nerve is commonly injured in a fracture of the medial epicondyle of the humerus?

Ulnar nerve (A) Signup and view all the answers

What is the most commonly fractured bone in the body?

Clavicle (D) Signup and view all the answers

Which nerve is commonly injured in a fracture of the surgical neck of the humerus?

Axillary nerve (C) Signup and view all the answers

Which muscle is responsible for tilting the medial fragment of a fractured clavicle upward?

Sternocleidomastoid muscle (A) Signup and view all the answers

Which of the following is a symptom of radial nerve injury?

Loss of the opposition of the thumb (C) Signup and view all the answers

What is the most likely diagnosis for a 2-year-old boy who refuses to move his right arm after being lifted up by the arms?

Supracondylar fracture of the humerus (A) Signup and view all the answers

What is the most common cause of injury to the radial nerve?

Injury to the spiral groove (D) Signup and view all the answers

What is the deformity associated with radial nerve injury?

Wrist drop (A) Signup and view all the answers

Which nerve is commonly injured in a fracture of the distal end of the humerus?

Ulnar nerve (D) Signup and view all the answers

Which artery is commonly injured in a fracture of the supracondylar region of the humerus?

Inferior ulnar collateral artery (D) Signup and view all the answers

Which nerve is commonly injured in a fracture of the surgical neck of the humerus?

Axillary nerve (C) Signup and view all the answers

What is the most commonly fractured bone in the body?

Clavicle (C) Signup and view all the answers

Which of the following is a common injury associated with a fall on an outstretched hand with extended wrist?

Fracture of the distal end of the humerus (B) Signup and view all the answers

Which structure is commonly injured in a fracture of the scaphoid bone?

Flexor retinaculum (B) Signup and view all the answers

What deformity is associated with a Colles' fracture?

Dinnerfork deformity (D) Signup and view all the answers

Which of the following is a symptom of radial nerve injury?

Weakness of the flexion of the fingers (D) Signup and view all the answers

What is the deformity associated with radial nerve injury?

Wrist drop (D) Signup and view all the answers

What is the most likely diagnosis for a 2-year-old boy who refuses to move his right arm after being lifted up by the arms?

Supracondylar fracture of the humerus (B) Signup and view all the answers

Which nerve is commonly injured in a fracture mid-shaft of the humerus?

Radial nerve (B) Signup and view all the answers

Which bone is commonly fractured in a fall on an outstretched hand with extended wrist?

Scaphoid (C) Signup and view all the answers

Which structure is commonly injured in a fracture of the distal end of the radius?

Long flexor tendons (C) Signup and view all the answers

Which joint is commonly dislocated in a fall on an outstretched hand with extended wrist?

Elbow joint (A) Signup and view all the answers

Which of the following is a common cause of injury to the radial nerve?

Intramuscular injection in the triceps brachii (A) Signup and view all the answers

What is the most likely diagnosis for a 2-year-old boy who refuses to move his right arm after being lifted up by the arms?

Supracondylar fracture of the humerus (A) Signup and view all the answers

Which of the following is a symptom of radial nerve injury?

Weakness of flexion of the wrist (C) Signup and view all the answers

What deformity is associated with radial nerve injury?

Wrist drop (C) Signup and view all the answers

Which nerve is commonly injured in a fracture of the supracondylar region of the humerus?

Ulnar nerve (D) Signup and view all the answers

What is the most common cause of injury to the median nerve at the elbow?

Pronator teres syndrome (B) Signup and view all the answers

Which artery is commonly injured in a fracture of the distal end of the humerus?

Inferior ulnar collateral artery (A) Signup and view all the answers

Which muscle is responsible for tilting the medial fragment of a fractured clavicle upward?

Sternocleidomastoid muscle (C) Signup and view all the answers

Falling on an Outstretched Hand

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Questions and Answers

Which bone is the most frequently fractured carpal bone in the upper limb?

What is the mechanism of fracture in Colles' fracture?

Which structures are commonly injured in Colles' fracture?

Which nerve is commonly injured in a fracture of the medial epicondyle of the humerus?

What is the most commonly fractured bone in the body?

Which nerve is commonly injured in a fracture of the surgical neck of the humerus?

Which muscle is responsible for tilting the medial fragment of a fractured clavicle upward?

Which of the following is a symptom of radial nerve injury?

What is the most likely diagnosis for a 2-year-old boy who refuses to move his right arm after being lifted up by the arms?

What is the most common cause of injury to the radial nerve?

What is the deformity associated with radial nerve injury?

Which nerve is commonly injured in a fracture of the distal end of the humerus?

Which artery is commonly injured in a fracture of the supracondylar region of the humerus?

Which nerve is commonly injured in a fracture of the surgical neck of the humerus?

What is the most commonly fractured bone in the body?

Which of the following is a common injury associated with a fall on an outstretched hand with extended wrist?

Which structure is commonly injured in a fracture of the scaphoid bone?

What deformity is associated with a Colles' fracture?

Which of the following is a symptom of radial nerve injury?

What is the deformity associated with radial nerve injury?

What is the most likely diagnosis for a 2-year-old boy who refuses to move his right arm after being lifted up by the arms?

Which nerve is commonly injured in a fracture mid-shaft of the humerus?

Which bone is commonly fractured in a fall on an outstretched hand with extended wrist?

Which structure is commonly injured in a fracture of the distal end of the radius?

Which joint is commonly dislocated in a fall on an outstretched hand with extended wrist?

Which of the following is a common cause of injury to the radial nerve?

What is the most likely diagnosis for a 2-year-old boy who refuses to move his right arm after being lifted up by the arms?

Which of the following is a symptom of radial nerve injury?

What deformity is associated with radial nerve injury?

Which nerve is commonly injured in a fracture of the supracondylar region of the humerus?

What is the most common cause of injury to the median nerve at the elbow?

Which artery is commonly injured in a fracture of the distal end of the humerus?

Which muscle is responsible for tilting the medial fragment of a fractured clavicle upward?

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