chap 8 A&P true or false

true

a function of the skeletal system is to act as a reservoir for calcium

true

a skeleton composed of nothing but synarthrotic joints would have virtually no movement

false

a slipped disk damages a diarthrotic joint

true

a sprain involves ligaments, and a strain usually involves muscle tissue.

false

all bones begin as cartilage

true

all diarthrotic joints have joint capsules

false

an adequate amount of vitamin D in a childs diet can prevent paget disease

false

an infection of a sinus is called mastoiditis

true

cartilage cells are called chondrocytes

true

chondrosarcoma is a cancer of cartilage tissue

false

scoliosis results from an exaggerated lumbar curve

false

there are four fontanels in the skull of a newborn

true

there are more bones in the facial part of the skull than in the cranium

false

there are more than 20 bones in the skull

true

trabeculae and osteons have similar functions in the two types of bones

false

unlike osteocytes, chondrocytes are located in lacunae

false

uric acid is the usual cause of infectious arthritis

true

yellow marrow is stored in the medullar cavity of an adult long bone

false

because of the continuous wear and stress on the bones of athletes, their bones tend to be weaker then the bones of less active people.

true

extension is a characteristic movement of a hinge joint

false

flexion is a characteristic movement of a pivot joint

false

floating ribs are named "floating" because they are not joined to any other bone.

false

floating ribs join the costal cartilage of the seventh rib

false

growth of a bone can only continue if there is cartilage in the center of the diaphysis

true

growth of a bone occurs at the epiphyseal plates

true

if the body requires more calcium in the blood, the activity of osteoclasts will increase

true

in the vertebral column, the coccyx is inferior to the sacrum

true

ligaments are strong bands of connective tissue that connect bones to other bones

true

long bones have one diaphysis and two epiphysis

true

lyme disease or lyme arthritis is an example of infectious arthritis

false

mastioditis occurs in the temporal bone

false

nonmoving joints are called diarthrotic joints

true

nutrients needed by osteocytes are carried through canaliculi

true

one of the signs of the osteoporosis is "dowagers hump"

true

osteoblasts and osteoclasts have opposite functions in bone formation and growth

false

osteocytes live in the canaliculi of the osteon

false

osteomyelitis is more likely to result from a closed fracture than from an open fracture

false

osteosarcoma is a very aggressive cancer that usually affects men between the ages of 50 and 70

true

the acetabulum is part of the hip bone

true

the articular cartilage has two functions: to act as a shock absorber and to reduce friction in the joint

false

the cervical region of the vertebral column contains more bones than any other region

false

the diploe are the bony portions of spongy bone that surrounded the open spaces

true

the first seven ribs are called true ribs

true

the hip joint is an example of a ball-and-socket joint

true

the hole in the center of the vertebrae is called the vertebral foramen

false

the hyoid bone forms both a diarthrotic and a synarthrotic joint

false

the lamboidal suture is located at the junction of the temporal and occipital; bones of the skull

true

the lamellae of the osteon surround the central canal

true

the major functional difference between the male and the female skeleton is related to its role in reproduction.

true

the medullary cavity is deep to the periosteum

false

the medullary cavity is the site for blood cell formation in the adult skeleton

false

the most important functional difference between the male and the female skeleton is the size

true

the olecranon process is found in the skeleton of the upper extremity

false

the patella is an example of a flat bone

true

the patella is an example of a sesamoid

false

the periosteum is deep to the endosteum

true

the repair of a broken bone increases the activity of osteoblasts

false

the sacral and cervical parts of the vertebral column form convex curves

true

the scapula and clavicle form the pectoral girdle

true

the skeletal system provides a place for blood cell formation

true

the skull contains eight sinuses

false

the skull, vertebrae, shoulder girdle, and pelvic girdle make up the axial skeleton

true

the soft spots on a babys skull are called fontanels

true

the symphysis pubis is an example of an amphiarthrotic joint