Bones are a storage place for minerals such as a. calcium and sodium. b. calcium and potassium. c. sodium and potassium. d. calcium and phosphorus.

Select all of the bones that are part of the appendicular skeleton: A. coccyx B. ilium C. tibia D. calcaneus bone E. femur F. scapula G. sacrum

As the bone matrix calcifies and the secreting cells become walled in,  A. osteoblasts become osteocytes  B. osteogenic progenitors become osteoclasts  C. osteoblasts become osteoclasts D. osteoclasts become osteocytes

Which of the following is not a reason we become shorter as we age? a.As a person ages, the intervertebral discs become thinner and the vertebrae will be stacked closer together, resulting in shorter stature. b.As a person ages, vertebral bodies lose bone mass (osteoporosis) resulting in smaller vertebrae that stack closer together. c.As a person ages, scoliosis may develop resulting in an abnormal spinal curvature and shorter stature. d.As a person ages, the ligaments connecting vertebrae together are weakened, resulting in a more pronounced kyphosis. This posterior curvature of the spine lowers the skull, making you shorter.

The term osteoporosis refers to what type of bone? A. Denser  B. Older C. More porous D. Broken

The immature cells that produce osteoid are calleda. osteocytes.b. osteoblasts.c. osteoclasts.d. osteons

1. Select the FOUR that DO occur during endochondral ossification of long bones: A. Osteoclasts increase the lumen of the marrow cavity as the bone grows in width B. Ossification occurs in the space left by dead chondrocytes  C. Chondrocytes grow large and then die D. Mesenchymal cells of the dermis differentiate to osteoblasts  E. Areas of ossification become vascular

Which bone is considered a fusion of three bones? shoulder a. O b. femur O c. skull O d. hip

Chronic vitamin D deficiency results in which of these consequences?a. Bones become brittle.b. The percentage of bone composed of hydroxyapatite increases.c. Bones become soft and pliable.d. Scurvy occurs.e. Both a and b are correct.

Spongy bone tissue: Select one: a. Is formed of concentric lamellae without a central canal b. Is formed of an osteon with a central canal c. Is not resistant to stress d. Is formed of trabeculae with a central canal