Pg Blazer - Online Test Series 12 - Orthopaedics

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| By Pgblazer

Pgblazer

Community Contributor

Quizzes Created: 37 | Total Attempts: 132,124

Questions: 10 | Attempts: 1,588 | Updated: Mar 21, 2023

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MCQ's in Orthopaedics. For more online tests, go to PG Blazer Online Test Series

Questions and Answers

1.

Bohler’s angle is decreased in fracture of
- A.
  
  Calcaneum
- B.
  
  Talus
- C.
  
  Navicular
- D.
  
  Cuboid
Correct Answer
A. Calcaneum

Explanation
Bohler’s angle is formed at the junction of:
-line joining the posterosuperior part of the calcaneal tuberosity and the uppermost point on the posterior articular surface for talus
-line joining the uppermost point on the posterior articular surface for talus and the anterior process of the calcaneum

Normal value is 25-40°. It is decreased in fracture of calcaneum. (usually occurs in fall from height)

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2.

Which is not a deep heat therapy
- A.
  
  Short wave diathermy
- B.
  
  Ultrasound therapy
- C.
  
  Infrared therapy
- D.
  
  Microwave therapy
Correct Answer
C. Infrared therapy

Explanation
Infrared therapy is a type of superficial heat therapy.

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3.

Most common site of osteosarcoma is
- A.
  
  Upper end of femur
- B.
  
  Lower end of femur
- C.
  
  Lower end of humerus
- D.
  
  Lower end of tibia
Correct Answer
B. Lower end of femur

Explanation
Osteosarcoma is a type of bone cancer that most commonly occurs in the lower end of the femur. This area is particularly susceptible to osteosarcoma because it is a site of rapid bone growth during adolescence. The lower end of the femur is also a weight-bearing area, which may contribute to the development of this aggressive bone tumor. Osteosarcoma can also occur in other bones, but the lower end of the femur is the most common site.

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4.

About congenital torticollis all are true except :
- A.
  
  Always associated with breech extraction
- B.
  
  Spontaneous resolution in most cases
- C.
  
  2/3rd cases have palpable neck mass at birth
- D.
  
  Uncorrected cases develop plagiocephaly
Correct Answer
A. Always associated with breech extraction

Explanation
Congenital torticollis is most commonly associated with breech extraction. But not always.

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5.

Rickets in infancy is characterised by the following except :
- A.
  
  Craniotabes
- B.
  
  Rachitic rosary
- C.
  
  Wide open fontanelles
- D.
  
  Bow legs
Correct Answer
D. Bow legs

Explanation
Bow legs appear only after the child starts walking - due to weight bearing effect.

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6.

In patients with osteoarthritis of knee joint, atrophy occurs most commonly in which muscle :
- A.
  
  Quadriceps only
- B.
  
  Hamstrings only
- C.
  
  Quadriceps and hamstrings
- D.
  
  Gastrocnemius
Correct Answer
A. Quadriceps only

Explanation
Quadriceps is the most commonly affected muscle is osteoarthritis of knee.

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7.

60 yrs old male with bony abnormality at upper tibia associated with sensorineural hearing loss. On laboratory examination serum alkaline phosphatase levels are (440 mU/l) elevated and serum Ca and PO4 are normal. Skeletal survey shows ivory vertebrae and cotton wool spots in x-ray skull. Diagnosis is :
- A.
  
  Fibrous dysplasia
- B.
  
  Paget disease
- C.
  
  Osteosclerotic metastasis
- D.
  
  Osteoporosis
Correct Answer
B. Paget disease

Explanation
The age, clinical features and investigation findings are characteristic of Paget's disease.

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8.

Meralgia paresthetica is due to involvement of
- A.
  
  Medical cutaneous nerve of thigh
- B.
  
  Lateral cutaneous nerve of thigh
- C.
  
  Sural nerve
- D.
  
  Femoral nerve
Correct Answer
B. Lateral cutaneous nerve of thigh

Explanation
Meralgia paresthetica is characterised by pain, tingling and numbness in lateral aspect of thigh. There is no motor deficiency. It is due to involvement of lateral cutaneous nerve of thigh.

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9.

Pigmented villouodular synovitis most commonly affects :
- A.
  
  Shoulder
- B.
  
  Ankle
- C.
  
  Knee
- D.
  
  Metatarsophalangeal joint
Correct Answer
C. Knee

Explanation
It is a benign condition characterised by exuberant proliferation of synovial tissue. It affects synovial joints, tendon sheaths and bursae.

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10.

Following are associated with CV junction anomalies except -
- A.
  
  Basilar invagination
- B.
  
  Odontoid dysgenesis
- C.
  
  Ankylosing Spondylosis
- D.
  
  None of the above
Correct Answer
D. None of the above

Explanation
All of the above are associated with craniovertebral junction anomalies.

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Current Version
Mar 21, 2023

Quiz Edited by
ProProfs Editorial Team
Jun 16, 2011

Quiz Created by
Pgblazer

Pg Blazer - Online Test Series 12 - Orthopaedics

Bohler’s angle is decreased in fracture of

Which is not a deep heat therapy

Most common site of osteosarcoma is

About congenital torticollis all are true except :

Rickets in infancy is characterised by the following except :

In patients with osteoarthritis of knee joint, atrophy occurs most commonly in which muscle :

Meralgia paresthetica is due to involvement of

Pigmented villouodular synovitis most commonly affects :

Following are associated with CV junction anomalies except -