Exam 19: Bones and Joints

Which malignant tumor is composed of neoplastic cartilage cells that are insensitive to chemotherapy?

Osteosarcomas most often arise in the bones of the:

If the overlying skin is intact,a fracture is considered:

The most common primary malignant tumor of bones is:

A tumor in a 15-year-old boy was diagnosed in the diaphysis of the tibia. On x-ray examination,it had a sunburst appearance and histologically it was composed of a uniform population of small blue cells.This tumor is a(n):

Aseptic necrosis of bones is the result of:

Which of the following diseases has the highest incidence among postmenopausal women?

Osteogenesis imperfecta is an inborn error in the synthesis of:

If a long-bone fracture has numerous lines and fragments,it is called:

The bone lesions in renal osteodystrophy are caused by an excess of:

Bowlegs,craniotabes,and rachitic rosary in a growing child are signs of:

Which of the following diseases is an autosomal dominant cause of dwarfism?

A benign bone tumor composed of cartilage cells is called:

Which vitamin is essential for the formation of bones?

The extracellular organic matrix of bones is called:

Hyperuricemia is a prerequisite for:

Subcutaneous nodules composed of a central area of fibrinoid necrosis surrounded by macrophages and lymphocytes are typical of:

The most common symptom of degenerative joint disease is:

Fractures that occur because the bone cannot withstand normal outside pressure and tension are known as:

Which joint disease is characterized by destruction and loss of cartilage,sclerosis of subchondral bone,cyst formation,and osteophytes?