31) Blood vessels to the diaphysis move through the
A) epiphyseal plate.
B) articular cartilage.
C) foramen magnum.
D) nutrient foramen.
32) The continual process of bone resorption is under the control of the
A) parathyroid gland.
B) pancreas.
C) pituitary gland.
D) adrenal gland.
33) In an adult, the perichondrium
A) inhibits growth and repair of cartilage.
B) produces new chondrocytes.
C) acts like a girdle to prevent matrix extrusion when cartilage is compressed.
D) binds the cartilage to adjacent bones.
34) Bones in the wrists and ankles are
A) long bones.
B) short bones.
C) irregular bones.
D) flat bones.
35) Which of the following statements about a long bone is
false?
A) It has a diaphysis.
B) It has two distinct ends.
C) It is longer than it is wide.
D) It must be more than 5 inches in length.
36) An incomplete, splintery fracture that occurs in the flexible bones of children is a(n) ________ fracture.
A) greenstick
B) depressed
C) comminuted
D) epiphyseal
37) In which type of fracture does the bone fragment into three or more pieces?
A) greenstick
B) epiphyseal
C) comminuted
D) spiral
38) Osteoid is
A) the mineral part of the bone matrix.
B) secreted by osteocytes.
C) the entire extracellular matrix of bone.
D) the organic part of bone matrix prior to mineralization.
39) A disease that is characterized by excessive and abnormal remodeling of bone tissue and affects 3% of the elderly is
A) Paget's disease.
B) osteosarcoma.
C) osteomyelitis.
D) osteomalacia.
40) The process of bone growth is regulated by several hormones throughout the lifetime of an individual. The hormone most influential in skeletal growth prior to adolescence is secreted from the
A) parathyroid gland.
B) pancreas.
C) pituitary gland.
D) adrenal gland.