MRCEM Orthopedics ACTUAL EXAM 2026-2027
NEWEST VERSION WITH COMPLETE QUESTIONS
AND CORRECT ANSWERS \VERIFIED 100% GRADED
This deck covers Chapters 42-51 in Rosens, compromising all of orthopedics and
plastic surgery. (109 cards)
1
Q
List 4 indications for consultation with orthopedics.
A
1. Long bone fractures
2. Joint fracture
3. Joint violation
4. Neurovascular compromosie
2
Q
List 8 different descriptors for a fracture.
A
1. Bone
2. Location on bone
3. Open/Closed
4. Direction of fracture line
5. Simple/Comminuted
6. Angulation
7. Displacement
8. Type: Avulsion, Compression, Pathologic, Stress
,3
Q
List 6 causes for weakened bones.
A
1. Cancer
2. Hyper PTH
3. Giant Cell Tumour
4. Echondromata
5. Cysts
6. Osteomalacia
7. Osteogenesis Imperfecta
8. Scurvy
9. Rickets
10.Paget’s
4
Q
Describe the 5 steps involved with fracture healing.
A
1. Hematoma
2. Inflammatory
3. Soft Callus
4. Hard Callus
5. Remodeling
5
Q
Define:
1. Delayed union
2. Malunion
, 3. Non-union
A
1. Delayed union - longer than usual healing
2. Malunion - residual deformity remains
3. Non-union - failure to unite
6
Q
List 4 characteristics of nutrient arteries that can help differentiate them from a
fracture line.
A
1. Thin
2. Angulated through cortex
3. Only one side of the cortex
4. Less radiolucent
5. Sharply marginated
7
Q
How do you classify and manage open fractures?
A
Gustillo
Grade I - <1 cm
Ancef 2g IV
Grade II - 1-10 cm
Ancef 2g IV +/- Gentamycin 5 mg/kg IV
Grade IIIA - >10 cm + soft tissue stripping
Grade IIIB - >10 cm + periosteal stripping
Grade IIIC - >10 cm + vascular injury
Ancef 2g IV + Gentamycin 5 mg/kg IV
, 8
Q
How much blood loss is associated with these fractures?
Radius/Ulna
Humerus
Tib/Fib
Femur
Pelvis
A
Radius/Ulna
150 cc
Humerus
250 cc
Tib/Fib
500 cc
Femur
1000 cc
Pelvis
2000 cc
9
Q
Define and describe three types of nerve injury.
A
1. Neuropraxia
* Stretch inhibiting neurotransmission
2. Axonotmesis
* Axon damaged, intact epineurium
3. Neurotmesis
* Axon and epineurium damaged
NEWEST VERSION WITH COMPLETE QUESTIONS
AND CORRECT ANSWERS \VERIFIED 100% GRADED
This deck covers Chapters 42-51 in Rosens, compromising all of orthopedics and
plastic surgery. (109 cards)
1
Q
List 4 indications for consultation with orthopedics.
A
1. Long bone fractures
2. Joint fracture
3. Joint violation
4. Neurovascular compromosie
2
Q
List 8 different descriptors for a fracture.
A
1. Bone
2. Location on bone
3. Open/Closed
4. Direction of fracture line
5. Simple/Comminuted
6. Angulation
7. Displacement
8. Type: Avulsion, Compression, Pathologic, Stress
,3
Q
List 6 causes for weakened bones.
A
1. Cancer
2. Hyper PTH
3. Giant Cell Tumour
4. Echondromata
5. Cysts
6. Osteomalacia
7. Osteogenesis Imperfecta
8. Scurvy
9. Rickets
10.Paget’s
4
Q
Describe the 5 steps involved with fracture healing.
A
1. Hematoma
2. Inflammatory
3. Soft Callus
4. Hard Callus
5. Remodeling
5
Q
Define:
1. Delayed union
2. Malunion
, 3. Non-union
A
1. Delayed union - longer than usual healing
2. Malunion - residual deformity remains
3. Non-union - failure to unite
6
Q
List 4 characteristics of nutrient arteries that can help differentiate them from a
fracture line.
A
1. Thin
2. Angulated through cortex
3. Only one side of the cortex
4. Less radiolucent
5. Sharply marginated
7
Q
How do you classify and manage open fractures?
A
Gustillo
Grade I - <1 cm
Ancef 2g IV
Grade II - 1-10 cm
Ancef 2g IV +/- Gentamycin 5 mg/kg IV
Grade IIIA - >10 cm + soft tissue stripping
Grade IIIB - >10 cm + periosteal stripping
Grade IIIC - >10 cm + vascular injury
Ancef 2g IV + Gentamycin 5 mg/kg IV
, 8
Q
How much blood loss is associated with these fractures?
Radius/Ulna
Humerus
Tib/Fib
Femur
Pelvis
A
Radius/Ulna
150 cc
Humerus
250 cc
Tib/Fib
500 cc
Femur
1000 cc
Pelvis
2000 cc
9
Q
Define and describe three types of nerve injury.
A
1. Neuropraxia
* Stretch inhibiting neurotransmission
2. Axonotmesis
* Axon damaged, intact epineurium
3. Neurotmesis
* Axon and epineurium damaged
