Exam 5: The Skeletal System

Which one of the following statements is TRUE regarding parathyroid hormone (PTH)?

Each of the following bones is part of the axial skeleton EXCEPT which one?

Immovable joints such as those found between bones of the skull are ________ joints.

Osteoclasts dissolve the hydroxyapatite and digest the matrix during bone remodeling.

In which of the following bones are the teeth anchored?

Chondroblasts produce ________.

Which one of the following disorders of the skeletal system results from the "wearing out" of the cartilage that covers the ends of bones?

Individuals can prevent osteoporosis by including sufficient supplies of vitamin C and calcium in their diets and maintaining a consistent exercise program.

Using the figure above, identify the bones of the appendicular skeleton. -Label G represents the ________ bone.

Match the following. -vertebrae

A typical long bone has an epiphysis at each end, which can be thought of as

The ________ bones are pierced by tiny openings through which the tear ducts drain.

Arrange in the proper sequence the following events as they occur in the ossification of a long bone. 1) Chondroblasts die, and the surrounding matrix breaks down. 2) Osteoblasts secrete osteoid. 3) Blood vessels transport osteoblasts into the area to be ossified. 4) Chondroblasts create a model of long bones from cartilage. 5) Osteoblasts become osteocytes.

Which one of the following statements is TRUE regarding fibrous joints?

As osteocytes become enclosed in small chambers called lacunae, they still can communicate via ________.