Exam 6: Bones and Skeletal Tissues

Bones appear to be lifeless structures. Does bone material renew itself?

The structural unit of compact bone (osteon) resembles the growth rings of a tree trunk.

Prevention of osteoporosis includes adequate intake of ________.

Compare the function of the organic materials in the bone matrix with the function of the inorganic materials in the matrix.

The resilience of bone is thought to come from which of the following?

The central (Haversian) canal that runs through the core of each osteon is the site of ________.

Proper blood calcium levels are required for muscle contraction, nerve function, and other critical activities in the body. How does the body maintain homeostasis in response to decreased blood calcium levels?Discuss the main gland, hormone, and target of the hormone.

What tissue forms the model for endochondrial ossification?

Hematopoiesis refers to the formation of blood cells within the red marrow cavities of certain bones.

The periosteum is secured to the underlying bone by________.

Short, irregular, and flat bones have medullary cavities in order to keep the weight of the bones light.

Cartilage has a flexible matrix that can accommodate mitosis of chondrocytes.

Choose the best location for obtaining a red bone marrow sample from a patient.

In some cases the epiphyseal plate of the long bones of children closes too early. What might be the cause?

The cell responsible for secreting the matrix of bone is the ________.