AFA Chapter 10

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What is the primary difference between open and closed fractures?

Closed fractures have a higher risk of infection than open fractures

Closed fractures are caused by twisting the joint, while open fractures involve powerful forces

Open fractures involve open wounds, while closed fractures leave the skin unbroken (correct)

Open fractures are more common than closed fractures

What is a dislocation?

A fracture where the skin is unbroken

A displacement or separation of a bone from its normal position at a joint (correct)

A type of injury that always involves open wounds

A bone that is forced beyond its normal position without tearing ligaments

Why are some joints like the shoulder more prone to dislocation?

Because they have less range of motion

Because they are well protected from injury

Because they are exposed to strong forces more often (correct)

Because they are less flexible than other joints

What can cause hypovolemic shock in cases of large bone fractures?

Hemorrhaging that can result from the fracture Signup and view all the answers

Why are open fractures considered more serious than closed fractures?

They often involve powerful forces that push bones through the skin Signup and view all the answers

How do ligaments play a role in subsequent dislocations of a joint?

When stretched and torn, subsequent dislocations of the same joint become more likely Signup and view all the answers

What is the most common type of injury to the shoulder?

Sprains Signup and view all the answers

Why is it important to ensure blood flow and nerve function are not impaired in upper extremity injuries?

To maintain proper circulation and sensation Signup and view all the answers

Which structure is least likely to be affected by scapular fractures?

Nerves Signup and view all the answers

What is the primary indicator of a possible scapular fracture?

Extreme pain Signup and view all the answers

What should be done if a splint applied to an injured area is too tight?

Loosen the splint Signup and view all the answers

Which bones meet to form the shoulder joint?

Clavicle, scapula, and humerus Signup and view all the answers

What type of soft tissue structures do strains involve?

Tendons and ligaments Signup and view all the answers

What is crepitus, as mentioned in the text?

A grating, popping, or crackling sound beneath the skin Signup and view all the answers

What is a key indicator suggesting a fracture, according to the text?

Inability to move or use the affected body part Signup and view all the answers

How are sprains different from fractures?

Fractures involve soft tissues at a joint Signup and view all the answers

What is a common cause of crepitus in cases of fracture?

Pieces of bone rubbing against each other Signup and view all the answers

Why should a patient with musculoskeletal injuries be examined by a physician?

To avoid any complications Signup and view all the answers

What is the purpose of padding the splint when using a rigid or anatomical splint?

To shape the splint to the injured part Signup and view all the answers

When immobilizing an injured part with a splint, how should it be secured in place?

With an elastic roller bandage Signup and view all the answers

Why is it important to move from stable to unstable areas when attaching a splint?

To ensure proper anchoring and stability Signup and view all the answers

In the case of a broken elbow, where should you begin securing the splint?

At the axilla (armpit) and work distally towards the elbow Signup and view all the answers

Why should a moldable splint be shaped to the uninjured extremity before transferring it to the injured side?

For proper shaping and fitting to the injured extremity Signup and view all the answers

What is the purpose of extending a splint above and below the injury site?

To include the joints above and below the injury Signup and view all the answers

What is a common characteristic deformity associated with a fractured femur?

The injured leg is shorter than the uninjured leg Signup and view all the answers

When is it recommended to secure the injured leg to the uninjured leg as an anatomical splint?

Only in situations where rapid transport is essential Signup and view all the answers

What should be done to reduce the risk of injury when using a blanket as an anatomical splint?

Ensure sufficient padding between the legs Signup and view all the answers

How should the knees be supported if the patient is not on a rigid device like a backboard?

Support them from behind Signup and view all the answers

What bones are often involved in a lower leg fracture?

Fibula and tibia Signup and view all the answers

What method can be used to immobilize an injured leg effectively?

Utilizing elastic straps or bandages above and below the injury site Signup and view all the answers