Which of the following is CORRECTLY paired? smooth muscle: striated |
skeletal muscle: voluntary control |
Hyaline cartilage ________. forms "shock-absorbing" pads between the vertebrae |
is found on the ends of bones that form movable joints |
When chondrocytes in lacunae divide and form new matrix, it leads to an expansion of the cartilage tissue from within. This process is called ________. calcification |
interstitial growth |
Cartilage grows in two ways, appositional and interstitial. What is appositional growth? the secretion of new matrix against the external face of existing cartilage |
the secretion of new matrix against the external face of existing cartilage |
The axial skeleton includes the ________. hip bones |
ribs |
Hematopoiesis is a term for which of the following physiological processes? blood cell formation |
blood cell formation |
Bones do NOT have a role in ________. blood cell formation |
glycogen production |
Which of the following is stored in bones? glycogen |
phosphate |
Which hormone is produced in bone and regulates bone formation, but also protects against diabetes mellitus? leptin |
osteocalcin |
Which of the following is not a function of the skeletal system? communication |
communication |
Which description of bone cells is INCORRECT? Osteoblasts secrete collagen and calcium-binding proteins. |
osteogenic cells can differentiate into osteoclasts |
Osteoclasts ________. calcify bone matrix |
break down bone |
In adults, yellow marrow is located ________. in the medullary cavity of long bones |
in the medullary cavity of long bones |
The resilience of bone is primarily due to which of the following? amount of mineral salt and protein in the bone |
sacrificial bonds in or between collagen molecules |
The structure of bone tissue suits the function. Which of the following bone tissues is adapted to support weight and withstand tension stress? irregular bone |
compact bone |
The term diploë refers to the ________. two types of marrow found within most bones |
internal layer of spongy bone in flat bones |
The periosteum is secured to the underlying bone by dense connective tissue called ________. Volkmann’s canals |
the struts of bone known as spicules perforating(sharpeys) fibers |
What is osteoid? the inorganic part of the matrix of bone |
the organic part of the matrix of bone |
The periosteum is a tissue that serves only to protect the bone because it is not supplied with nerves or blood vessels. True |
false |
What is the structural unit of compact bone? canaliculus |
osteon |
Which bone cells form bone? osteoclasts |
osteoblasts |
Choose the TRUE statement. Endochondral ossification leads to the formation of the clavicles and cranial bones. |
Endochondral ossification converts hyaline cartilage "bone" models into true bones (i.e., hyaline cartilage serves as a template for bone formation). |
During infancy and childhood, the most important stimulus of epiphyseal plate activity is ________. estrogen |
growth hormone |
Ossification of the ends of long bones ________. is a characteristic of intramembranous bone formation |
is produced by secondary ossification centers |
What tissue forms the model for endochondral ossification? bone |
cartilage |
What can a deficiency of growth hormone during bone formation cause? inadequate calcification of bone |
decreased proliferation of the epiphyseal plate cartilage |
Which structure allows the diaphysis of the bone to increase in length until early childhood, as well as shaping the articular surfaces? epiphyseal plate |
epiphyseal plate |
Cranial bones develop ________. within osseous membranes |
within fibrous membrane |
Which of the following is UNLIKELY to affect bone remodeling? low blood Ca2+ concentration |
glucagon |
Which of the following is CORRECTLY matched? nondisplaced fracture: the fractured bone ends are misaligned |
compound fracture: the fractured bone ends penetrate the skin |
Hypercalcemia can be caused by_________. insufficient vitamin D levels in the body |
hypersecretion of parathyroid hormone reduced parafollicular cell activity |
Which hormone increases osteoclast activity to release more calcium ions into the bloodstream? estrogen |
parathyroid hormone |
Bones are constantly undergoing resorption for various reasons. Which of the following cells accomplishes this process? stem cell |
osteoclasts |
What controls bone remodeling? the nervous system and hormones |
mechanical stress and hormones |
Normal bone formation and growth are dependent on the adequate intake of ________. potassium, phosphate, and vitamin D |
calcium, phosphate, and vitamin D |
Functional classification of joints is based on ________. the size of the joint |
the amount of movement allowed by the joint |
In the classification of joints, which of the following is true? Synarthrotic joints are slightly movable. |
all synovial joints are freely movable |
Which of the following refers to a joint that is immovable? amphiarthrosis |
synarthrosis |
All joints permit some degree of movement, even if very slight. True |
false |
The structural classification of joints is based on the composition of the binding material and the presence or absence of a joint cavity. True |
true |
A fibrous joint that is a peg-in-socket is called a ________ joint. gomphosis |
gomphosis |
On the basis of structural classification, which joint is fibrous connective tissue? syndesmosis |
syndesmosis |
Fibrous joints are classified as ________. pivot, hinge, and ball and socket |
sutures, syndesmoses, and gomphoses |
An example of an interosseus fibrous joint is ________. the radius and ulna along its length |
the radius and ulna along its length |
Which of the following are CORRECTLY paired? gomphoses: articulating bones are separated by a fluid containing cavity |
synchondrosis: a plate of hyaline cartilage unites the bones |
A joint united by dense fibrocartilaginous tissue that usually permits a slight degree of movement is a ________. syndesmosis |
symphysis |
Which of the following are cartilaginous joints? Sutures |
synchondroses |
Which of the following statements defines synchondroses? joints that permit angular movements |
cartilaginous joints where hyaline cartilage unites the ends of bones |
Which of the following is one difference between bursae and tendon sheaths? Bursae are only found in synovial joints, while tendon sheaths are only found in fibrous joints. |
Bursae are flattened fibrous sacs wedged between adjacent structures, while tendon sheaths are elongated fibrous sacs that wrap around tendons. |
Synovial fluid does NOT ________. prevent the articulating bones from dislocating |
prevent the articulating bones from dislocating |
The synovial membrane ________. lines the inside of the fibrous joint capsule |
lines the inside of the fibrous joint capsule |
Which of the following is NOT a factor that contributes to joint stability? amount of muscle tone applied to tendons that cross the joint |
amount of synovial fluid in the joint cavity |
chapter 6,8.9 practice quiz
Share This
Unfinished tasks keep piling up?
Let us complete them for you. Quickly and professionally.
Check Price