Post Test 2

Modulus young describes

• a. Lower modulus of elasticity means bigger adaptive capacity to absorb stress

• b. Orthopaedic implants must be strong enough to resist any deformation

• c. The deformation of material to a certain amount of force

• d. The amount of strain required to produce stress

A 62-years old woman reports diffuse aches and pains of the hip and pelvis. She denies any significant trauma but does have a history of chronic anemia. The figure shows a radiograph of the pelvis and skull and report of serum protein electrophoresis.

• a. Multiple Myeloma

• b. Osteoporosis

• c. Chondrosarcoma

• d. Diffuse fibrous dysplasia

Pelvic x ray of this patient showed 20% of ossification in the iliac apophysis, this finding will be correlated with?

• a. Risser 2 and the spine will soon stop growing

• b. Risser 2 and the spine will still be growing

• c. Risser 1 and the spine will soon stops growing

• d. Risser 1 and the spine will still be growing

The patient has a lytic lesion in the left proximal femur which is shown above. He has pain with weight bearing and resultant ambulatory dysfunction. What would you recommend at this time regarding this finding?

• a. Bisphosphonate therapy

• b. Cytotoxic chemotherapy in combination with dexamethasone

• c. Prophylactic fixation of femur with long cephalomedullary device

• d. Prophylactic fixation of femur with dynamic hip screw construct

12-year-old boy is brought to the office by his mother because he had intermittent pain in the right hip during the past two weeks. The patient ambulates with difficulty. He has not had fever, chills, malaise, recent illnes, or trauma to the hip. The patient is obese but otherwise healthy. On physical examination, vauge pain in the groin is elicited on range of motion of the right hip. The most appropriate next step is x-ray studies to rule out which of the following conditions?

• a. Femoral acetabular impingement syndrome

• b. Legg-Calve-Perthes disease

• c. Septic arthritis

• d. Slipped Capital Femoral Epiphysis

Which of the following regions in the growth plate is commonly affected in a Salter- Harris type II injury?

• a. Reserve zone

• b. Proliferative zone

• d. Hypertrophic Zone

• d. Primary spongiosa

As an orthopedic implant, titanium alloy have wider area of elastic zone in comparison of stainless steel 316L. This description will be most suitable with?

• a. Titanium have better ability to return to its original shape after given some amount of stress

• b. SS 316 L have better ability to return to its original shape after given some amount of stress

• c. Yield point of titanium will happen in the end of its plastic zone

• d. Yield point of SS 316 L will happen in the end of its plastic zone

Blount Disease is associated with all of the following, except :

• a. Genu Recurvatum

• b. External Tibial Torsion

• c. Internal Tibial Torsion

• d. Genu Varum

The following are radiological imaginary line to establish diagnosis of Blount Disease, Except :

• a. Metaphyseal Diaphyseal Angle

• b. Tibiofemoral Angle

• c. Metaphyseal Epiphyseal Angle

• d. Epiphyseal Diaphyseal Angle

Which of the following is commonest organism causing acute osteomyelitis and acute septic arthritis ?

• a. Gonococcus

• b. Streptococcus

• c. Staphylococcus

• d. Haemophilus