Chapter 29: Orthopaedic Injuries

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A 31-year-old male fell and landed on his left elbow. Your assessment reveals that the elbow is grossly deformed, his forearm is cool and pale, and the distal pulse on the side of the injury is barely palpable. His vital signs are stable and he denies any other injuries. Your transport time to the closest appropriate hospital is approximately 15 minutes. You should: A. splint the elbow in the position found and transport. B. gently manipulate the elbow to improve circulation. C. gently straighten the elbow and apply an air splint. D. apply a heat pack to the elbow to reduce swelling.

A

A _______ is a stretching or tearing of the muscle. A. strain B. sprain C. torn ligament D. split

A

A(n) _______ fracture is an incomplete fracture that passes only partway through the shaft of a bone but many still cause severe angulation. A. greenstick B. comminuted C. pathologic D. epiphyseal

A

A(n) _______ fractures the bone at the point of impact. A. direct blow B. indirect force C. twisting force D. high-energy injury

A

Blood in the urine is known as: A. hematuria. B. hemotysis. C. hematocrit. D. hemoglobin.

A

Femoral shaft fractures can result in up to _____ mL of internal blood loss. A. 1,000 B. 1,500 C. 2,000 D. 4,000

A

The MOST common and significant complication associated with fractures or dislocations of the knee is: A. neurovascular compromise. B. internal bleeding and shock. C. ligament and cartilage damage. D. total depletion of synovial fluid.

A

The MOST commonly fractured bone(s) in the body is the: A. clavicle. B. scapula. C. radius and ulna. D. midshaft femur.

A

The bones in the skeleton produce _______ in the bone marrow. A. blood cells B. minerals C. electrolytes D. hormones

A

When caring for a patient with a possible fracture of the scapula, the EMT should: A. carefully assess the patient for breathing problems. B. apply rigid board splints across the chest and back. C. assume that minimal force was applied to the back. D. recognize that scapular fractures are life threatening.

A

You receive a call to a local gymnasium for a basketball player with a dislocated shoulder. Upon arrival, you find the patient, a 17-year-old male, sitting on the ground. He is holding his left arm in a fixed position away from his body. There is an obvious anterior bulge to the area of injury. You should: A. assess distal pulse, motor, and sensory functions. B. gently attempt to move his arm toward his body. C. place a pillow under his arm and apply a swathe. D. flex his arm at the elbow and then apply a sling.

A

You respond to a 19-year-old woman who was involved in a motor vehicle collision. She is alert and oriented. Her airway is open, and respirations are 18 breaths/min and unlabored. Pulse is 94 beats/min and is strong and regular. Distal pulses are present. Her upper arm has obvious deformity. You splint the upper arm. You know that splinting will do all of the following EXCEPT: A. prevent the need for surgery. B. reduce shock. C. minimize compromised circulation. D. reduce pain.

A

You respond to a 19-year-old woman who was kicked in the leg by a horse. She is alert and oriented. Respirations are 20 breaths/min, regular and unlabored. Pulse is 110 beats/min and regular. Distal pulses are present. She has point tenderness at the site of the injury. You should compare the limb to: A. the opposite uninjured limb. B. one of your limbs or one of your partner's limbs. C. an injury chart. D. none of the above.

A

Your 24-year-old patient fell off a balance beam and landed on his arm. He is complaining of pain in the upper arm, and there is obvious swelling. You know that swelling is a sign of: A. bleeding. B. laceration. C. a locked joint. D. compartment syndrome.

A

A subluxation occurs when:

A joint is incompletely dislocated

Which of the following scenarios is an example of a direct injury?

A passenger fractured her patella after it strikes the dashboard

A 76-year-old male experienced sudden pain to his left thigh when he was standing in line at the grocery store. Your assessment reveals ecchymosis and deformity to the distal aspect of his left femur, just above the knee. Distal circulation and sensory and motor functions are intact. The MOST appropriate method of splinting this injury involves:

Applying padded board splints to both sides of the leg

With regard to musculoskeletal injuries, the zone of injury is defined as the:

Area of soft-tissue damage surrounding the injury

In moving joints, the ends of the bones are covered with:

Articular cartilage

You have applied a zippered air splint to a patient's left arm. During transport, the patient complains of increased numbness and tingling in his left hand. You reassess distal circulation and note that it remains present. Your MOST appropriate action should be to:

Assess the amount of air in the splint and let air out as necessary

A 45-year-old female was the unrestrained passenger of a small car that rear-ended another vehicle at a moderate rate of speed. She is conscious and alert, but complains of pain to both of her knees. There is visible damage to the dashboard on the passenger's side of the vehicle. In addition to fractures or dislocations of the knees, you should be MOST suspicious for: A. anterior hip dislocation. B. posterior hip dislocation. C. a thoracic spine fracture. D. fracture of the tibia or fibula.

B

A Colles fracture involves a fracture of the: A. distal ulna. B. distal radius. C. proximal radius. D. radius and ulna.

B

A _______ is a disruption of a joint in which the bone ends are no longer in contact. A. torn ligament B. dislocation C. fracture dislocation D. sprain

B

A person who experiences a calcaneus fracture after jumping and landing on his or her feet would MOST likely experience an accompanying fracture of the: A. thoracic spine. B. lumbar spine. C. coccygeal spine. D. symphysis pubis.

B

A supracondylar or intercondylar fracture is also known as a fracture of the: A. radial head. B. distal humerus. C. proximal radius. D. olecranon process.

B

A(n) _______ is a fracture in which the bone is broken into two or more fragments. A. greenstick B. comminuted C. pathologic D. epiphyseal

B

A(n) _______ may cause a fracture or discoloration at a distant point. A. direct blow B. indirect force C. twisting force D. high-energy injury

B

During your assessment of a 29-year-old female with significant deformity to her left elbow, you are unable to palpate a radial pulse. Your transport time to the hospital is approximately 40 minutes. You should: A. splint the elbow in the position of deformity and transport immediately. B. apply gentle manual traction in line with the limb and reassess for a pulse. C. carefully straighten the injured arm and secure it with padded board splints. D. make two or three attempts to restore distal circulation by manipulating the elbow.

B

Regardless of the extent and severity of the damage to the skin, you should treat any injury that breaks the skin as a possible: A. closed fracture. B. open fracture. C. nondisplaced fracture. D. displaced fracture.

B

Smooth muscle is found in the: A. back. B. blood vessels. C. heart. D. all of the above.

B

The PASG is absolutely contraindicated in patients who have: A. pelvic fractures. B. pulmonary edema. C. bilateral femur fractures. D. any trauma below the pelvis.

B

When splinting a possible fracture of the foot, it is MOST important for the EMT to: A. use a pillow as a splint. B. leave the toes exposed. C. apply a pneumatic splint. D. observe for tissue swelling.

B

Which of the following injuries would be appropriate to treat with a traction splint? A. Injuries of the pelvis B. An isolated femur fracture C. Partial amputation or avulsions with bone separation D. Lower leg or ankle injury

B

Which of the following statements about compartment syndrome is FALSE? A. It occurs 6 to 12 hours after an injury. B. It most commonly occurs with a fractured femur. C. It is usually a result of excessive bleeding, a severely crushed extremity, or the rapid return of blood to an ischemic limb. D. It is characterized by pain that is out of proportion to the injury.

B

_______ are held together in a tough fibrous structure known as a capsule. A. Tendons B. Joints C. Ligaments D. Bones

B

A 21-year-old male was thrown over the handlebars of his motorcycle when he rear-ended a car that was stopped at a red light. He was wearing a helmet, which he removed prior to your arrival. He is conscious, but restless, and has closed deformities to both of his femurs. His skin is pale, his heart rate is rapid and weak, and his respirations are rapid and shallow. In addition to applying high-flow oxygen and protecting his spine, you should:

Bind his legs together in the backboard, keep him warm, and transport without delay

Which of the following structures is regulated by smooth muscle?

Blood Vessels

Bone marrow produces:

Blood cells

A fracture is MOST accurately defined as a(n):

Break in the continuity of the bone

A 17-year-old football player collided with another player and has pain to his left clavicular area. He is holding his arm against his chest and refuses to move it. Your assessment reveals obvious deformity to the midshaft clavicle. After assessing distal pulse, sensory, and motor functions, you should: A. perform a rapid secondary assessment. B. straighten his arm and apply a board splint. C. immobilize the injury with a sling and swathe. D. place a pillow under his arm and apply a sling.

C

A 77-year-old woman slipped and fell on a throw rug and landed on her left hip. She denies striking her head or losing consciousness. Assessment of her left leg reveals that it is shortened and externally rotated. Distal pulses, sensory, and motor functions are intact. You should: A. manually stabilize her left leg, apply a traction splint, and then secure her to a long backboard or scoop. B. carefully slide a long backboard underneath her, keep her in a supine position, and apply a splint to her leg. C. place her onto a scoop stretcher, pad around her left hip with pillows, and secure her to the scoop with straps. D. bind both of her legs together with triangular bandages and carefully secure her onto the ambulance stretcher.

C

A _______ is an injury to the ligaments, the articular capsule, the synovial membrane, and the tendons crossing the joint. A. dislocation B. strain C. sprain D. torn ligament

C

A(n) _______ is also known as a hairline fracture. A. closed fracture. B. open fracture. C. nondisplaced fracture. D. displaced fracture.

C

During your rapid secondary assessment of a 30-year-old male who fell 25′, you note crepitus when palpating his pelvis. Your partner advises you that the patient's blood pressure is 80/50 mm Hg and his heart rate is 120 beats/min and weak. After completing your assessment, you should: A. defer spinal immobilization and transport to a trauma center. B. perform a focused physical exam with emphasis on the pelvis. C. stabilize the pelvis with a pelvic binder and protect the spine. D. log roll the patient onto a long backboard and transport at once

C

Fractures are almost always associated with _______ of the surrounding soft tissue. A. laceration B. crepitus C. ecchymosis D. swelling

C

In-line _______ is the act of exerting a pulling force on a body structure in the direction of its normal alignment. A. stabilization B. immobilization C. traction D. direction

C

Joints are bathed and lubricated by _______ fluid. A. cartilaginous B. articular C. synovial D. cerebrospinal

C

Signs and symptoms of sprains include all of the following EXCEPT: A. point tenderness. B. pain preventing the patient from moving or using the limb normally. C. marked deformity. D. instability of the joint indicated by increased motion.

C

When caring for patients who have fallen, you must identify the _______ and the mechanism of injury so that you will not overlook associated injuries. A. site of injury B. height of fall C. point of contact D. twisting forces

C

Which of the following fractures has the greatest potential for internal blood loss and shock? A. hip B. femur C. pelvis D. humerus

C

Which of the following statements regarding shoulder dislocations is MOST correct? A. Posterior dislocations are most common. B. They are caused by forced arm adduction. C. Most shoulder dislocations occur anteriorly. D. They involve the acromion process and humerus.

C

You are called to the local assisted living facility where a 94-year-old man has fallen. He is alert and oriented and denies passing out. His respirations are 18 breaths/min and regular. Pulse is 106 beats/min, regular, and strong. Distal pulses are present. He states that he was walking and heard a pop and fell to the floor. You suspect a(n): A. greenstick B. comminuted C. pathologic D. epiphyseal

C

_______ is the most reliable indicator of an underlying fracture. A. Crepitus B. Deformity C. Point tenderness D. Absence of distal pulse

C

When assessing a patient with a possible fracture of the leg, the EMT should:

Compare it to the uninjured leg

Which of the following statements regarding compartment syndrome is correct?

Compartment syndrome typically develops within 6 to 12 hours after an injury.

A 54-year-old male accidentally shot himself in the leg while cleaning his gun. Your assessment reveals a small entrance wound to the medial aspect of his right leg. The exit wound is on the opposite side of the leg and is actively bleeding. The patient complains of numbness and tingling in his right foot. You should:

Control the bleeding and cover the wound with a sterile dressing

A "hip" fracture is actually a fracture of the: A. pelvic girdle. B. femoral shaft. C. pubic symphysis. D. proximal femur.

D

A(n) _______ fracture occurs in a growth section of a child's bone, which may prematurely stop growth if not properly treated. A. greenstick B. comminuted C. pathologic D. epiphyseal

D

A(n) _______ fracture produces actual deformity, or distortion, of the limb by shortening, rotating, or angulating it. A. closed fracture. B. open fracture. C. nondisplaced fracture. D. displaced fracture.

D

Always check neurovascular function: A. after any manipulation of the limb. B. before applying a splint. C. after applying a splint. D. all of the above.

D

Following direct trauma to the left upper back, a 44-year-old male presents with diaphoresis and restlessness. His blood pressure is 100/50 mm Hg, his pulse rate is 120 beats/min and weak, and his respirations are 24 breaths/min and labored. Your assessment reveals abrasions and contusions over the left scapula. You should: A. hyperventilate him with a bag-mask device and monitor his oxygen saturation. B. apply high-flow oxygen, perform a detailed secondary assessment, and transport. C. focus your assessment on his scapulae and clavicles and apply high-flow oxygen. D. apply high-flow oxygen, consider spinal precautions, and transport without delay.

D

Signs and symptoms of a dislocated joint include all of the following EXCEPT: A. marked deformity. B. tenderness on palpation. C. locked joint. D. ecchymosis.

D

The MOST significant hazard associated with splinting is: A. aggravation of the injury or worsened pain. B. reduction in circulation distal to the injury site. C. compression of nerves, tissues, and vasculature. D. delaying transport of a critically injured patient.

D

The zone of injury includes the: A. adjacent nerves. B. adjacent blood vessels. C. surrounding soft tissue. D. all of the above.

D

When splinting an injury of the wrist, the hand should be placed: A. into a fist. B. in a straight position. C. in an extended position. D. in a functional position.

D

Which of the following is a basic type of splint? A. Rigid B. Formable C. Traction D. All of the above

D

Which of the following is not considered one of the "6 Ps" of the musculoskeletal assessment? A. Pain B. Pulselessness C. Pressure D. Peristalsis

D

_______ produce severe damage to the skeleton, surrounding soft tissues, and vital internal organs. A. Direct blow B. Indirect force C. Twisting force D. High-energy injury

D

Common signs and symptoms of a sprain include all of the following, EXCEPT:

Deformity

The disruption of a joint in which the bone ends are no longer in contact is called a:

Dislocation

Which of the following musculoskeletal injuries would MOST likely result in deformity?

Displaced fracture

A(n) __________ fracture occurs in the growth section of a child's bone and may lead to bone growth abnormalities.

Epiphyseal

Assessing a person's neurovascular status following a musculoskeletal injury includes all of the following, EXCEPT:

Evaluating proximal pulses

Traction splints are used primarily to immobilize and secure fractures of the:

Femur

In which of the following situations should the EMT splint an injured limb in the position of deformity?

If resistance is encountered of the patient experiences severe pain

During your rapid secondary assessment of a 19-year-old female with multiple trauma, you note bilateral humeral deformities and a deformity to the left midshaft femur. Her skin is diaphoretic and her pulse is rapid and weak. Your partner has appropriately managed her airway and is maintaining manual stabilization of her head. The MOST appropriate treatment for this patient includes:

Immobilizing her to a backboard and rapidly transporting

Which of the following statements regarding striated muscle is correct?

It forms the major muscle mass of the body and usually crosses at least one joint

Bones are connected to other bones by bands of tough fibrous tissues called:

Ligaments

Atrophy is a condition that occurs when:

Muscle decreases in size and function because of disease or trauma

Of the following musculoskeletal injuries, which is considered to be the least severe

Nondisplaced pelvic fracture

A fracture caused by minimal force that is associated with diseases such as cancer and osteoporosis is called a __________ fracture.

Pathologic

Which of the following musculoskeletal injuries would pose the greatest threat to a patient's life?

Pelvic fracture with hypotension

The MOST reliable indicator of an underlying fracture is:

Point tenderness

Crepitus and false motion are:

Positive indicators of a fracture

The primary purpose for splinting a musculoskeletal injury is to:

Prevent further injury

Applying ice to and elevating an injured extremity are performed in order to:

Reduce pain and swelling

The pectoral girdle consists of the:

Scapulae and clavicles

Which of the following types of muscle is under direct voluntary control of the brain?

Skeletal

Which of the following joints allows no motion?

Skull sutures

What type of muscle contracts and relaxes to control the movement of the contents within its structures?

Smooth

A ____________ is a musculoskeletal injury in which there is partial or temporary separation of the bone ends as well as partial stretching or tearing of the supporting ligaments.

Sprain

A 22-year-old female was ejected from her car after striking a tree head-on. As you approach her, you note obvious closed deformities to both of her femurs. She is not moving and does not appear to be conscious. You should:

Stabilize her head and perform a primary assessment

Skeletal muscle is also referred to as __________ muscle.

Striated

Deformity caused by a fracture would MOST likely be masked by:

Swelling

Skeletal muscle is attached to the bone by tough, ropelike fibrous structures called:

Tendons

The musculoskeletal system refers to the:

The bones and voluntary muscles of the body.

An open fracture is MOST accurately defined as a fracture in which:

The overlying skin is no longer intact

If a dislocated shoulder has spontaneously reduced before your arrival, the only way to confirm the injury is by noting:

The patient history

In general, musculoskeletal injuries should be splinted before moving the patient unless:

The patient is clinically unstable

The act of pulling on a body structure in the direction of its normal alignment is called:

Traction


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