CH 7 Quiz

If a thyroid tumor secreted an excessive amount of calcitonin, we would expect

Hemopoiesis typically occurs in

Osteoblasts deposit more bone matrix in response to all of the following factors except

The cells primarily responsible for the breakdown of bone are

The protein fibers of the bone matrix are composed of

Appositional growth of a long bone has the effect of

Osteogenic cells give rise to osteoblasts, but ___ arise from monocytes of the blood

Osteocytes in the outer lamellae of an osteon transport their wastes to the bloodstream for removal via

The ___ forms by endochondral ossification.

In the development of the skeleton, what typically occurs around the ages of 18 to 21?

One thing calcitriol does that parathyroid hormone does not is

The skeletal system performs all of the following functions except

Hydroxyapatite is best described as

Bones that serve as levers and are moved by skeletal muscle to produce movement are termed

The cavity in the diaphysis of long bones is called the ______ cavity and commonly contains ______ marrow.

This layer makes up 25% of the skeleton by weight and helps protect the soft tissues like the brain from trauma.

The periosteum is a connective tissue sheath which lines the _____ of bones and fuses with bones by way of _____ fibers.

Which one of the following bone cells would have the greatest number of lysosomes

When bone is stressed on one side, it usually bends slightly on the other side and does not fracture. This is due to tensile strength caused by

Bones of the skull and clavicle develop by

In endochondral ossification, the model or template on which the bone forms

In the zone of bone deposition, _____ cells rapidly invade the calcified matrix and lay down bone. Then ______ cells erode the spongy bone to form the marrow cavity

The use of anabolic steroids by adolescent boys will

A loss of bone mass, especially spongy bone, is usually a result of lack of exercise or deficiency of estrogen after menopause. This disorder is called