Exam 11: Skeletal Tissues

Which of the following is not a characteristic of the diaphysis?

Because of repeated wear and tear, athletes and dancers tend to have less dense bones than people who exercise less often.

The terms haversian system and osteon are interchangeable.

The homeostasis of blood calcium is maintained by its moving into and out of bone tissue.

An important part of the bone matrix is a mixture of protein and polysaccharide called ground substance.

Haversian systems are found only in cancellous bone.

The cells responsible for active erosion of bone minerals are called:

Hydroxyapatite consists of highly specialized chemical crystals of calcium and phosphate.

Explain all the ways parathyroid hormone helps to increase blood calcium levels.

Because each bone has a specific function, it is made of either all compact or all spongy bone.

Canaliculi are small openings in the lamella where bone cells are found.

The endosteum usually surrounds yellow marrow in an adult.

In an infant's or child's body, virtually all of the bones contain yellow marrow.

Osteoclasts are nondividing osteoblasts that have become surrounded by matrix and lie within lacunae.

In young children, vitamin A and protein deficiency can cause a decrease in the thickness of epiphyseal plates in the growing long bones.

The cell organelles that synthesize organic matrix substances in bone formation are:

Calcitonin is released when the blood calcium levels are too high.

Diploë can be found:

Which of the following is not made of elastic cartilage?

Sesamoid bones are classified as _____ bones.