Anatomy Chapter 6

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The total number of phalanges in the body is:

56

The wrist bone is an example of:

A short bone

The bones of the spine are examples of:

An irregular bone

Nutrients pass from the blood vessels to the bone cells by way of the:

Canaliculi

Cartilage cells are called:

Chondrocytes

Canaliculi supply food and oxygen to cartilage cells.

False

Going from superior to inferior, the sequence of the vertebrae is cervical, thoracic, lumbar, coccyx and sacrum.

False

Osteoblasts are the bone-resorbing cells.

False

The central canal of the osteon is also called the medullary cavity.

False

The frontal bone of the skull is an example of an irregular bone.

False

The lacuna is a large canal in the center of the osteon that contains a blood vessel.

False

The olecranon process of the humerus and the olecranon fossa of the ulna make up the structure of the elbow.

False

The spine has three curves; two convex and one concave.

False

There are more bones in the axial skeleton than in the appendicular skeleton.

False

The red bone marrow is important in the skeletal function of:

Hematopoiesis

The bone cells in the Haversian system are found in little spaces called:

Lacunae

Trabeculae are:

Needle-like threads of spongy bone

The section of the vertebral column that contains the most vertebrae is the:

Thoracic Section

As long as the epiphyseal plate remains between the diaphysis and epiphysis, bone growth can continue.

True

Both bone and cartilage are examples of connective tissue.

True

Canaliculi are small canals that help supply the bone cells with food and oxygen.

True

Chondrocytes are cartilage cells.

True

Like bone cells, cartilage cells are located in lacunae.

True

Only the true ribs attach to the sternum by the costal cartilage.

True

Osteocytes can be found in the lacunae of the osteon.

True

The "soft spots" in a baby's skull are referred to as fontanels.

True

The concentric rings surrounding the central canal of an osteon are called lamella.

True

The sternum is also called the breastbone.

True

The storage of calcium is an important function of the skeletal system.

True

Ribs that attach individually to the sternum by the costal cartilage are:

True Ribs

Which of the following statements is true of both bone and cartilage?

Both bone and cartilage cells are located in lacunae They both contain more intercellular matrix than cells

A bone can grow as long as this remains:

Epiphyseal plate

As long as this is present in a bone, bone growth can continue.

Epiphyseal plate

Bone-forming cells

Osteoblasts

The bone-resorbing cells are called:

Osteoclasts

Another name for the Haversian system is:

Osteon

Which of the following is not a type of bone?

Round


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