Anatomy Skeletal System

what describes a short bone?

a bone that is not longer than it is wide

all of the following are functions of the sternum except

a protective plate for the lungs

all of the following are functions of the intervertebral disc except which one?

allow nerves to exit between vertebrae

what must be present for calcium to be absorbed from the small intestine

calcitriol

all of the following are prominent features on the scapula except

capitulum

all of the following are functions of parathyroid hormones except which one?

causes osteoblasts to deposit bone, reducing blood calcium levels

what is a sinus?

cavities within the bone

which two bones connect the arm to the axial skeleton

clavicle and scapula

all of the following are functions of the skeletal system except

communication

all of the following are required fir bone remodeling except which one

decreased stress on bones

what is the relationship between bone disposition and the bone reabsorption in people 45 and older

deposition<reabsorption

what term below describes the shaft along the bone?

diaphysis

which type of ossification is complete when the epiphyseal plates are completely closed?

endochondral

which statement correctly describes kyphosis

exaggerated abnormal curvature of the thoracic vertebrae

what types of cartilage is found in the intervertebral disks

fibrocartilage

all of the following are functions of the mucous membrane lining of the sinuses except

fill the sinus with air

what is the name of the large opening in the occipital bone that allows the spinal cord to exit its cranial cavity

foramen magnum

which statement about red bone marrow is false?

found in the cavity of long bones

what type of joint is formed by fibrous ligaments holding a tooth in its socket?

gomphosis joint

what is the function of hydroxyapetite in bone

harden the matrix

compression of the intervertebral disc causing the disc to bulge out laterally is called

herniated disc

what type of cartilage covers the ends pf long bones?

hyaline cartilage

what type of bone is a sphenoid bone?

irregular bone

which statement is false regarding the hyoid bone?

is attached to the mandible

which statement about intramembranous ossification is false

it forms the long bones, vertebrae, ribs, sternum,scapula, pelvis, and limb bones pf the developing fetus

which statement is false regarding rheumatoid arthritis

it is the most common form of arthritis

which term eat describes an exaggerated curvature of the lumbar vertebrae?

lordosis

all of the bones have sinuses except the

mandible

what are sinuses lined with?

mucous membranes

what type of fracture results in a break in the bone on an angle?

oblique

all of the following are disorders that cause the bone softening except

osteoarthritis

which statement is false regarding mineral deposition in bone?

osteoblasts produce the bones hydroxyapatite crystals

which disorder is a congenital defect characterized by brittle bones that lack collagen fibers?

osteogenesis imperfecta

what part of the long bone is a source of osteoblasts?

periosteum

what is the function of the deltoid tuberosity of the humerus?

points of attachment for muscle tendons

which type of synovial joint has concave surfaces of the bones that articulate with one another

saddle

what is the most common abnormal curvature of the spine?

scoliosis

which of the following is true about closed reduction

sets bones in proper alignment without surgery

all of the following are types of synovial joints except

suture

what is ankylosis

the destruction of cartilage between joints eventually leading to fusion of the articulating bones

which statement correctly describes the pectoral gridle and the pelvic gridle

the pectoral gridle bones attach the arm bones to the axial skeleton while the pelvic gridle bones attach the leg bones to the axial skeleton

what structure protects the pituitary gland?

the sella turcica

which statement is false regarding cancellous bone?

this type of bone is arranged in a series of osteons

which gland secretes calcitonin

thyroid gland

which bone articulates with the femur at the knee?

tibia

what is the function of the pubic symphysis

to connect the right and left pelvic gridles

what type of bone marrow is found in the cavity of mature long bones?

yellow

how many bones make up the adult spinal column

26

which of the following correctly compares endochondral bone growth and appositional bone growth

ECBG deposits bone at the epiphyseal plate allowing the bone to grow longer.ABG occurs in all types of bone and allows bone to become more massive

what is the function of the vertebral foramen

an opening that allows the spinal cord to pass through the vertebrae

which of the following describes periosteum

the fibrous covering of the diaphysis

which of the following is not a feature of compact bone

trabeculae