21) Which of these diseases can be treated by administering calcitonin and calcium supplements increased weight-bearing exercise and osteoclast-inhibiting drugs?
A) osteomalacia and rickets
B) osteomyelitis
C) osteoporosis
D) achondroplasia
E) Paget's disease
22) Which of these skeletal disorders is characterized in the later stages by excessive rates of bone deposition, where medullary cavities may fill with bony matrix?
A) osteomalacia and rickets
B) osteomyelitis
C) osteoporosis
D) achondroplasia
E) Paget's disease
23) Which of these is a congenital condition primarily affecting long bones?
A) osteomalacia and rickets
B) osteomyelitis
C) osteoporosis
D) achondroplasia
E) Paget's disease
24) Which of these diseases is more prevalent in children, and was exceedingly common in the United States and other industrialized nations before vitamin D was added to milk?
A) rickets
B) osteomyelitis
C) osteoporosis
D) achondroplasia
E) Paget's disease
25) Which of these diseases, if untreated could lead to excessively long epiphyses and bowed legs in children?
A) osteomalacia and rickets
B) osteomyelitis
C) osteoporosis
D) achondroplasia
E) Paget's disease
26) A long bone that is fractured midshaft has damaged the
A) meniscus.
B) articular cartilage.
C) epiphysis.
D) diaphysis.
27) In the bone matrix, osteoblasts become
A) osteocytes.
B) chondrocytes.
C) osteoclasts.
D) mesenchyme cells.
28) Which of the following is the correct progression in the healing of a skeletal fracture?
A) bone remodeling, bony callus, hematoma, fibrocartilage callus
B) fibrocartilage callus, bone remodeling, bony callus, hematoma
C) hematoma, fibrocartilage callus, bony callus, bone remodeling
D) hematoma, bony callus, bone remodeling, fibrocartilage callus
29) The type of cartilage that forms the long bones of the embryonic skeleton is
A) hyaline cartilage.
B) fibrocartilage.
C) elastic cartilage.
D) calcified cartilage.
30) The kneecap, or patella, is an example of
A) a flat bone.
B) an irregular bone.
C) a sesamoid bone.
D) calcified cartilage.