Anatomy Ch.7 Test

It is possible to determine if a child's long bone is growing by examining an X-ray film of the

epiphyseal plate

A suture is an example of a

fibrous joint

The membranous soft spots of a newborn's skull are called ____________

fontanelles

____________ is the process of blood cell formation

hematopoiesis

Which of the following four groups of bones found in the boy, based on shape and with an example of each is correct? a. long bones-wrist and ankle bones b. short bones-arm and leg bones c. flat bones-facial bones d. irregular bones-bones of the backbone

irregular bones-bones of the backbone

A meniscus is a part of the

knee joint

In which of the followng is rotational movement possible? a. ball-and-socket joint b. condyloid joint c. hinge joint d. all the above

ball-and-socket joint

Which of the following allows the most possible movements? a. condyloid joints b. hinge joints c. ball-and-socket joint d. pivot joint

ball-and-socket joint

Joints serve to

bind skeletal parts together; allow bone growth to occur; enable body parts to move

The cells responsible for removing excess bone tissue after the fracture repair process are

osteoclasts

An epiphyseal plate functions to

provide for growth in the length of bone by cartilage cells reproducing

Red bone marrow functions in the formation of

red and white blood cells and platelets

The bones of the wrists an ankles are classified as

short bones

The xiphoid process is part of the ____________

sternum

The skull bones are tightly joined along lines called

sutures

The bones of the ankle together form the ____________

tarsals

The presence of an epiphyseal disk indicates that

the bone length is increasing

Compact bone is characterized by ____________, where as spongy bone is characterized by____________

tightly packed tissue that is solid, strong and resistant to bending

Ribs that join the sternum directly by costal cartilages are called

true ribs

The bodies of adjacent vertebrae are separated by ____________ that act as shock absorbers

vertebral discs

Cartilagenous joints are connected by

Hyaline cartilage or fibrocartilage

Osteoclasts are large cells that cause the breakdown of osseous tissue

True

Synovial fluid moistens and lubricates the cartilaginous surfaces within a joint

True

The basic structure of the knee joint permits flexion and extension

True

The hip joint is ball-and-socket joint

True

At what age are all bones normally ossified

25 years

Which of the following is a function of the skeletal system? a. the formation of blood cells that are responsible for the transport of oxygen b. the storage of inorganic salts the protection of organs, especially in the head an thorax

All the above

The appendicular skeleton consists of the parts the support and protect the head, neck and trunk

False

The tarsal bones form the wrist

False

Yellow marrow functions in the formation of blood cells

False

The tough, fibrous tissue that encloses a long bone is called the ____________

Periosteum

Red bone marrow functions to ____________, whereas yellow bone marrow functions to____________

Produce red blood cells and certain white blood cells; store fat tissues

Osteoclasts are bone-resorbing cells, whereas osteoblasts are bone-forming cells

True

Osteoblast are ____________, whereas osteocytes are ____________

bone-forming cells; mature bone cells

The bones of the wrist together form the ____________

carpals

The atlas is one of the

cervical vertebrae