FNB MOCK TEST 1

Sample questions from FNB Mock Test 1 with explanations.

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Sample Questions

1. True regarding tripolar hip prosthesis is all except

Polyethylene head is not metal backed and articulates with metal acetabular component

Polyethylene head is metal backed and articulates with polyrthylene acetabular component

Both heads share the same center of motion

It increases the hip stability

Question 1 of 22

2. Best marker for post THR infection is

Procalcitonin

CRP

IL-6

IL-1

Question 2 of 22

3. Causes of aseptic loosening of THR include all except

Lack of primary osseointegration

Insufficient press-fit fixation

Wear debris generated from the prosthetic joint articular surface

Decreased bone-mineral density

Question 3 of 22

4. Following are true regarding radial tunnel syndrome except

Weakness of MCP joint extension

Closely resemble supinator syndrome

Electrodiagnostic studies are not helpful

Compression of PIN at arcade of Fröhse

Question 4 of 22

5. A 38 years old man with osteonecrosis of his right femoral head underwent total hip arthoroplasty with uncemented 16.5 mm diameter femoral stem. 5 years after THR he started limping due to pain. His hip X ray shows grade III stress shielding (arrows). All these factors can be responsible for this except

Round stem instead of tapered stem

Titanium stem instead of CO-Cr stem

Large diameter femoral stem

Solid stem instead of stem with flutes and slot

Question 5 of 22

6. Loosening of a cemented prosthesis begins at

At prosthesis cement interface

Cement bone interface

Any of the site can be involved

Cement bone interface at distal stem

Question 6 of 22

7. Which is not used to assess functional score of the knee

WOMAC

KSS

DASH

KOOS

Question 7 of 22

8. True about rotator interval and its structures is

Rotator crescent is thick bundle of fibers found at the avascular zone of the coracohumeral ligament running perpendicular to the supraspinatous fibers and spanning the insertions of the supra- and infraspinatus tendons

Rotator cable is the thin, crescent-shaped sheet of rotator cuff comprising the distal portions of the supraspinatus and infraspinatus insertions

Intraarticular part of long head of biceps is extrasynovial

CHL and SGHL are main stabilizers of extraarticular part of long head of biceps

Question 8 of 22

9. Which is not an indication for MRI in adolescent idiopathic scoliosis?

Left thoracic curve

Rapid curve progression

Neurologic signs and symptoms

Left thoracolumbar/lumbar curve

Question 9 of 22

10. Which is not a risk factor for Kienbock disease?

Negative ulnar variance

Less no of penetrating arteries

Type 1 or triangular morphology

Increased radial inclination angle

Question 10 of 22

11. Essex-Lopresti lesion in upper limb involves

Radial head fracture with distal radio-ulnar joint disruption.

Radial shaft fracture

Injury to interosseous membrane

Radial shaft fracture with proximal radioulnar joint dislocation

Question 11 of 22

12. . Which of the following statement is true?

Physis acts as a barrier for spread of infection to epiphysis in all age groups

Physis may allow spread of infection to epiphysis in children below the age of 2 years

Physis may allow spread of infection in children to epiphysis once they are above the age of 2 years

Acute hematogenous osteomyelitis is commonly seen in adults

Question 12 of 22

13. What changes are seen in an ageing disc?

Water content decreases with decrease in proteoglycans

Water content increases with decrease in proteoglycans

Water content decreases with increase in proteoglycans

Water content increases with increase in proteoglycans

Question 13 of 22

14. The most common nerve involved in elbow arthroscopy is

Median Nerve

Radial Nerve

Ulnar Nerve

Question 14 of 22

15. Most common complication of triple arthrodesis is

Mid foot arthritis

Hardware irritation

Talo-navicular nonunion

Ankle arthritis

Question 15 of 22

16. A young male comes with complaint of hip pain on left side. On examination he has pain in external rotation. MRI of the left hip shows subchondral collapse with maintained sphericity. Which is the stage of AVN according to Ficat-Arlet staging system?

Question 16 of 22

17. Most common site of bony metastasis is

Lumbar spine

Thoracic spine

Neck of femur

Long bones marrow cavity

Question 17 of 22

18. Pellegrini-Stieda lesion is characterized by

Ossification at fibular attachment of LCL

Ossification at femoral attachment of MCL

Ossification at tibial attachment of superficial MCL

Ossification at tibial attachment of deep MCL

Question 18 of 22

19. What is the level of evidence for meta-analysis of cohort study?

Question 19 of 22

20. False about Ganga hospital score for open fracture is

It helps in deciding treatment plan of compound fracture

More is the score, greater are the chances of amputation

It tells about chances of survival of the polytrauma patient

Patient age is taken into consideration

Question 20 of 22

21. Not seen in fibrous dysplasia

Rind sign

Harrison groove

Chinese letter pattern

Café-au-lait spots

Question 21 of 22

22. Most important stabilizer of shoulder to anterior stress is

SGHL

IGHL

MGHL

Coracohumeral ligament

Question 22 of 22

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