11) Which letter indicates lamellae located outside the lamellae belonging to the osteon?
A) A
B) B
C) C
D) D
E) E
12) Which of these diseases is characterized by a pathological loss of bone density?
A) osteomalacia and rickets
B) osteomyelitis
C) osteoporosis
D) achondroplasia
E) Paget's disease
13) Which of these would be characterized as a skeletal disorder resulting in weakened bones due to inadequate mineralization?
A) osteomalacia and rickets
B) osteomyelitis
C) osteoporosis
D) achondroplasia
E) Paget's disease
14) Which disease of the skeletal system is often associated with decreasing levels of estrogen, but may also result from inadequate weight-bearing exercise and nutritional deficiencies of calcium, vitamin D and protein?
A) osteomalacia and rickets
B) osteomyelitis
C) osteoporosis
D) achondroplasia
E) Paget's disease
15) What disease might result from a compound fracture of a bone?
A) osteomalacia and rickets
B) osteomyelitis
C) osteoporosis
D) achondroplasia
E) Paget's disease
16) Which skeletal disorder is more common in older persons and has an abnormally high ratio of immature woven bone to mature compact bone?
A) osteomalacia and rickets
B) osteomyelitis
C) osteoporosis
D) achondroplasia
E) Paget's disease
17) Which of these results from a genetic mutation that leads to premature endochondral ossification before adult height can be reached?
A) osteomalacia and rickets
B) osteomyelitis
C) osteoporosis
D) achondroplasia
E) Paget's disease
18) Most bone disorders are characterized by bone loss; which of these diseases is characterized by excessive bone deposition?
A) osteomalacia and rickets
B) osteomyelitis
C) osteoporosis
D) achondroplasia
E) Paget's disease
19) What skeletal disease results from a bacterial infection of the bone and bone marrow?
A) osteomalacia and rickets
B) osteomyelitis
C) osteoporosis
D) achondroplasia
E) Paget's disease
20) Which of these is a skeletal disorder resulting from mutations in a gene that leads to the most common form of dwarfism?
A) osteomalacia and rickets
B) osteomyelitis
C) osteoporosis
D) achondroplasia
E) Paget's disease