BIO 240: Skeletal System - Bone Structure & Function Textbook Questions (CH.7)

compact bone makes up _____ % of bone mass

80%

which are examples of flat bones? (select all that apply) a) bones on the roof of the skull b) the breastbone (sternum) c) bones of the food d) shoulder blade bones e) bones of the wrist

a) bones on the roof of the skull b) the breastbone (sternum) d) shoulder blade bones

the primary ossification center is located in the ________ of a long bone. a) diaphysis b) central canal c) perforating canal d) proximal epiphysis e) distal epiphysis

a) diaphysis

a thin line of compact bone in the epiphysis of a mature bone is called the ___________. a) epiphyseal line b) endosteum c) epiphyseal membrane d) periosteum

a) epiphyseal line

choose the bones produced through intramembranous ossification (select all that apply) a) flat bones of the skull b) vertebrae c) upper & lower limb bones d) maxilla e) mandible

a) flat bones of the skull d) maxilla e) mandible

___________ connect bone to bone. a) ligaments b) aponeuroses c) tendons

a) ligaments

choose the bones formed through endochondral ossification (select all that apply) a) lower limb bones b) vertebrae c) flat bones of the skull d) upper limb bones e) mandible

a) lower limb bones b) vertebrae d) upper limb bones

Functions of bone include ______. (select all that apply) a) mineral storage b) secretion of insulin c) support d) protection e) blood cell formation (hemopoiesis)

a) mineral storage c) support d) protection e) blood cell formation (hemopoiesis)

which are examples of short bones? (select all that apply) a) some bones in the foot b) vertebrae c) most skull bones d) bones of the fingers e) bones of the wrist

a) some bones in the foot e) bones of the wrist

which is a function of cartilage? a) it supports the bridge (top) of the nose b) it attaches the ribs to the sternum c) it supports the upper eyelid d) it makes up the composition of fingernails

b) it attaches the ribs to the sternum

which statements characterize central canals of osteons? a) they contain osteocytes b) the contain nerves c) they are a cylindrical channel d) they contain blood vessels e) they are also called lacunae

b) the contain nerves c) they are a cylindrical channel d) they contain blood vessels

which statements characterize osteoclasts? a) they secrete osteoid b) they are phagocytic c) they have ruffled borders d) they secrete bone matrix

b) they are phagocytic c) they have ruffled borders

which statements characterize osteocytes? a) they secrete osteoid b) they maintain bone matrix c) they break down bone matrix d) they reside in lacunae

b) they maintain bone matrix d) the reside in lacunae

the expanded end of a long bones is called the __________. a) medulla b) diaphysis c) metaphysis d) epiphysis

d) epiphysis

the process of blood cell production is called __________. a) hemogenesis b) hemolysis c) hemocytosis d) hemopoiesis

d) hemopoiesis

the bones of the upper and lower limbs are produced through _______________ ossification

endochondral

bones provide structural support for the body by serving as a(n) __________ for the entire body.

framework

chondrocytes occupy small spaces called ____________.

lacunae

Bones of the skeleton function as a system of _________ that are pulled when skeletal muscles contract

levers

the cylindrical space within the diaphysis of a long bone is called the ________________ _________________.

medullary cavity

based on shape, bones that have a length about equal to their width are classified as ________ bones.

short