Dislocations Pathology

33 Questions | By Nicolaiengelsen | Updated: Jan 11, 2018 | Attempts: 140

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Have you ever in the course of your normal activities developed a dislocation? It is until a pathologist assesses the condition that you will if it is a broken bone or just a fracture. Find out more below.

Questions and Answers

1.

Two of the most common sites for dislocation are
- A.
  
  Shoulder joint and SC-joint
- B.
  
  Shoulder joint and wrist joint
- C.
  
  Shoulder joint and AC-joint
Correct Answer
C. Shoulder joint and AC-joint
2.

A predisposing or causal factor for dislocations could be weak muscles.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True
3.

A general consequence of dislocations is: almost always damage to the nerves.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False
4.

Healing and recovery for dislocation takes … weeks to reach ALD-level of function
- A.
  
  2 - 4 weeks
- B.
  
  4 - 6 weeks
- C.
  
  4 - 6 months
Correct Answer
B. 4 - 6 weeks
5.

The most common shoulder dislocation is posterior dislocation.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False
6.

Typical causal factor for anterior dislocation of the shoulder is:
- A.
  
  Outstretched hand or forced internal rotation
- B.
  
  Outstretched hand or forced external rotation or adduction
- C.
  
  Backward stretched hand or forced abduction and external rotation
Correct Answer
C. Backward stretched hand or forced abduction and external rotation
7.

Kocher´s method is a reduction method used for anterior shoulder dislocation, and it is as following: Start with hand in a neural postion - 75 degrees external rotation of the shoulder - slightly pull in the shoulder up - abduction with internal rotation.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
Adduction, not abd.

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8.

When there is damage to the joint capsule there are several surgical solution that can be performed: shortening and tightening of the capsule is a description of the:
- A.
  
  Bankart procedure
- B.
  
  Putti-Platt
- C.
  
  Bristow
Correct Answer
B. Putti-Platt
9.

Risk and complications of posterior shoulder dislocation may be damage to: axillary nerve, posterior cord of brachial plexus, the median nerve, musculocutaneus nerve and axillary artery.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
Anterior dislocation

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10.

In Anterior dislocation of the shoulder x-ray shows: "globular" or "Electric light bulb appearance" of the caput humerus due to it being internally rotated.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
Posterior dislocation

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11.

First line of dislocated shoulder is in this following order: rest, reduction, move and in some situation surgery.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False
12.

For recurrent dislocation and chronic instability, associated soft tissue injuries could be a Bankart lesion, which is
- A.
  
  Impression fracture of glenoid rim in humeral head.
- B.
  
  Posterior capsule torn loose from the scapula
- C.
  
  Anterior (inferior) capsule torn loose from the scapula
Correct Answer
C. Anterior (inferior) capsule torn loose from the scapula
13.

In elderly to avoid stiffness, pendulum exercises should be started after week: internal rotation should be avoided.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
external

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14.

An episode of shoulder dislocation is more predisposing for recurrent anterior dislocation than for posterior dislocation
- A.
  
  True
- B.
  
  False
Correct Answer
A. True
15.

1.For tossy I + II choice of treatment is
- A.
  
  Sling for 1 + week followed by exercises
- B.
  
  Exercises only
- C.
  
  Surgical fixation will small screws.
Correct Answer
A. Sling for 1 + week followed by exercises
16.

1.To classify AC-joint dislocation most used is “tossy” grade, grade 2 involves
- A.
  
  Rupture of the Acromioclavicular ligament and coracoclavicular ligament
- B.
  
  Rupture of the coracoclavicular ligament only
- C.
  
  Tear of the Acromioclavicular ligament
- D.
  
  Does not involve any ligaments mentioned
Correct Answer
C. Tear of the Acromioclavicular ligament

Explanation
Tear of the ligament will cause subluxation

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17.

To test for shoulder stability, a test that could be used is the aply´s grinding test
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
apprehension

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18.

Luxatio erecta, which is pure downward dislocation of the shoulder: is more common than posterior dislocation of the shoulder
- A.
  
  True
- B.
  
  False
Correct Answer
B. False
19.

1.The most common form of elbow dislocation displacement is:
- A.
  
  Anterior
- B.
  
  Posteriolateral
- C.
  
  Anteropolateral
- D.
  
  Medial
Correct Answer
B. Posteriolateral
20.

In dislocation of the elbow injury to the brachial artery is uncommon.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True
21.

For undisplaced dislocation of the elbow: The patient will have on the cast for
- A.
  
  2 weeks
- B.
  
  1 week
- C.
  
  4 weeks
- D.
  
  3 week s
Correct Answer
B. 1 week

Explanation
Cast off after a week, collar + cuff for 3 weeks

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22.
1.There are several causal factors for patella dislocation: are all of these mentioned below correct?
1. Low lateral condyle
2. Weak medial retinaculum
3. Weak vastus lateralis
4. Extreme Q-angle
5. Sudden severe quadriceps contraction
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
not vastus lateral but medialis

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23.

When dislocation is still present the patella will always be on the lateral part of the knee.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True
24.

Is [your statement here] true or false?
- A.
  
  True
- B.
  
  False
Correct Answer
A. True
25.

The treatment of choice is usually conservative treatment in a plaster (10dgr flexion or plaster with hinge. With limited motion for:
- A.
  
  1 -2 weeks
- B.
  
  3 - 4 weeks
- C.
  
  4 -6 weeks
Correct Answer
B. 3 - 4 weeks
26.

Habitual dislocation of the patella often shows:
- A.
  
  Dislocation in extension and relocation in flexion
- B.
  
  Dislocation in flexion and relocation in extension
- C.
  
  Dislocation in flexion and relocation in flexion
Correct Answer
B. Dislocation in flexion and relocation in extension
27.

In recurrent dislocation of the patella girls are less affected than boys.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False
28.

In anterior dislocation of the hip the legs are
- A.
  
  Adduction
- B.
  
  Externally rotated
- C.
  
  Externally rotated and abduction
- D.
  
  Extended
Correct Answer
C. Externally rotated and abduction
29.

Central dislocation is regarded as a complex fracture of the acetabulum.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True
30.

Injury mechanism for hip dislocation is: any type of direct force to the hip.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
Only high energy injury due to strong reinforcements

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31.

1.Dashboard injury is a possible mechanism causing posterior dislocation of the hip. Associated fractures is:Statement: femur (shaft, head, and neck, patella and rim of acetabulum)
- A.
  
  True
- B.
  
  False
Correct Answer
A. True
32.

Garden´s classification describes the severity acetabular fracture
- A.
  
  True
- B.
  
  False
Correct Answer
B. False
33.

Posterior dislocation of the hip, there is a 10% chance of avasclular necrosisStatement: Delayed reduction for more than 2-3 hours will increase this number up to 40 %.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
5 hours.

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Current Version
Jan 11, 2018

Quiz Edited by
ProProfs Editorial Team
Nov 10, 2014

Quiz Created by
Nicolaiengelsen

Dislocations Pathology

Two of the most common sites for dislocation are

A predisposing or causal factor for dislocations could be weak muscles.

A general consequence of dislocations is: almost always damage to the nerves.

Healing and recovery for dislocation takes … weeks to reach ALD-level of function

The most common shoulder dislocation is posterior dislocation.

Typical causal factor for anterior dislocation of the shoulder is:

Kocher´s method is a reduction method used for anterior shoulder dislocation, and it is as following: Start with hand in a neural postion - 75 degrees external rotation of the shoulder - slightly pull in the shoulder up - abduction with internal rotation.

When there is damage to the joint capsule there are several surgical solution that can be performed: shortening and tightening of the capsule is a description of the:

Risk and complications of posterior shoulder dislocation may be damage to: axillary nerve, posterior cord of brachial plexus, the median nerve, musculocutaneus nerve and axillary artery.

In Anterior dislocation of the shoulder x-ray shows: "globular" or "Electric light bulb appearance" of the caput humerus due to it being internally rotated.

First line of dislocated shoulder is in this following order: rest, reduction, move and in some situation surgery.

For recurrent dislocation and chronic instability, associated soft tissue injuries could be a Bankart lesion, which is

In elderly to avoid stiffness, pendulum exercises should be started after week: internal rotation should be avoided.

An episode of shoulder dislocation is more predisposing for recurrent anterior dislocation than for posterior dislocation

1.For tossy I + II choice of treatment is

1.To classify AC-joint dislocation most used is “tossy” grade, grade 2 involves

To test for shoulder stability, a test that could be used is the aply´s grinding test

Luxatio erecta, which is pure downward dislocation of the shoulder: is more common than posterior dislocation of the shoulder

1.The most common form of elbow dislocation displacement is:

In dislocation of the elbow injury to the brachial artery is uncommon.

For undisplaced dislocation of the elbow: The patient will have on the cast for

1.There are several causal factors for patella dislocation: are all of these mentioned below correct?Low lateral condyleWeak medial retinaculumWeak vastus lateralisExtreme Q-angleSudden severe quadriceps contraction

When dislocation is still present the patella will always be on the lateral part of the knee.

Is [your statement here] true or false?

The treatment of choice is usually conservative treatment in a plaster (10dgr flexion or plaster with hinge. With limited motion for:

Habitual dislocation of the patella often shows:

In recurrent dislocation of the patella girls are less affected than boys.

In anterior dislocation of the hip the legs are

Central dislocation is regarded as a complex fracture of the acetabulum.

Injury mechanism for hip dislocation is: any type of direct force to the hip.

1.Dashboard injury is a possible mechanism causing posterior dislocation of the hip. Associated fractures is:Statement: femur (shaft, head, and neck, patella and rim of acetabulum)

Garden´s classification describes the severity acetabular fracture

Posterior dislocation of the hip, there is a 10% chance of avasclular necrosisStatement: Delayed reduction for more than 2-3 hours will increase this number up to 40 %.

1.There are several causal factors for patella dislocation: are all of these mentioned below correct?
Low lateral condyle
Weak medial retinaculum
Weak vastus lateralis
Extreme Q-angle
Sudden severe quadriceps contraction