1.Pathologic fracture can occur in all except
a.Metabolic bone disease
b.Osteosarcoma
c.Osteochondroma
d.Bone cyst
e.Fluorosis
Metabolic bone diseases (rickets, osteomalacia), bone tumors (osteochondroma, osteosarcoma), and bone cysts (simple bone cyst, aneurysmal bone cyst) can cause pathological fracture.-
Fluorosis has not been mentioned as the cause of pathological fracture.
2.Stress fracture not involves
a. Metatarsals
b.Metacarpals
c.Tibia
d.Calcaneum
Amongst the given options, metacarpal is the least common site.
With few exceptions, fatigue or stress fractures are confined to the bones of the lower limb.
Three most commonly involved bones are metatarsal, fibula and tibia in that order.
Other bones may also be involved like neck of the femur, femur shaft, medial malleolus, tarsal, navicular, calcaneum.