Bio 201 Lecture Exam 2 UPDATED Exam
Questions and CORRECT Answers
Study of Bones - CORRECT ANSWER - Osteology
Field of medicine that involves bones, joints, ligaments, ect - CORRECT ANSWER -
Orthopedics
Skeletal System is composed of (4) - CORRECT ANSWER - bones, cartilage, tendons,
ligaments
Ligaments - CORRECT ANSWER - connect bone to bone
Tendons - CORRECT ANSWER - connect muscle to bone
Functions of Skeletal System - CORRECT ANSWER - support, protection, movement,
balance, blood formation, rigidity
Shapes of bones (4) - CORRECT ANSWER - long, short, flat, irregular
Long Bones - CORRECT ANSWER - bones of extremities, metatarsals, metacarpals
Short Bones - CORRECT ANSWER - carpals, tarsals
Flat Bones - CORRECT ANSWER - clavicle, scapula, ribs, skull, pelvis, sternum
Irregular Bones - CORRECT ANSWER - vertebrae, 3 middle ear bones, facial bones
(some), sometimes patella
, Diaphysis - CORRECT ANSWER - shaft of lone bones, gives leverage to bones
Epiphysis - CORRECT ANSWER - ends of long bones strength, surfaces for attachment
mineralization/ calcification of bones - CORRECT ANSWER - matrix is hardened by
calcium phosphate (and other minerals) being deposited
Characteristics of Compact Bone - CORRECT ANSWER - denser, makes up 3/4 of total
skeleton, outermost layer, makes up most of diaphysis, made up of inversion systems (canals),
has medullary cavity in middle with bone marrow
Characteristics of Spongy Bone - CORRECT ANSWER - makes up 1/4 of skeleton, no
osteons, has trabecule, found at epiphysis, found in middle of other bones (skull), covered/
surrounded by compact bone
General Features of Bones - CORRECT ANSWER - medullary cavity, articular cartilage,
periosteum, endosteum, nutrient foramina, epiphyseal plate, and epiphyseal line
Medullary Cavity - CORRECT ANSWER - surrounded by compact bone, contains bone
marrow
Articular Cartilage - CORRECT ANSWER - made up of hyaline cartilage, found where
bone meets bone (knee), reduces friction
Nutrient Foramina - CORRECT ANSWER - very small holes where blood vessels enter
bones
Periosteum - CORRECT ANSWER - external covering of bone, none where articular
cartilage is
Questions and CORRECT Answers
Study of Bones - CORRECT ANSWER - Osteology
Field of medicine that involves bones, joints, ligaments, ect - CORRECT ANSWER -
Orthopedics
Skeletal System is composed of (4) - CORRECT ANSWER - bones, cartilage, tendons,
ligaments
Ligaments - CORRECT ANSWER - connect bone to bone
Tendons - CORRECT ANSWER - connect muscle to bone
Functions of Skeletal System - CORRECT ANSWER - support, protection, movement,
balance, blood formation, rigidity
Shapes of bones (4) - CORRECT ANSWER - long, short, flat, irregular
Long Bones - CORRECT ANSWER - bones of extremities, metatarsals, metacarpals
Short Bones - CORRECT ANSWER - carpals, tarsals
Flat Bones - CORRECT ANSWER - clavicle, scapula, ribs, skull, pelvis, sternum
Irregular Bones - CORRECT ANSWER - vertebrae, 3 middle ear bones, facial bones
(some), sometimes patella
, Diaphysis - CORRECT ANSWER - shaft of lone bones, gives leverage to bones
Epiphysis - CORRECT ANSWER - ends of long bones strength, surfaces for attachment
mineralization/ calcification of bones - CORRECT ANSWER - matrix is hardened by
calcium phosphate (and other minerals) being deposited
Characteristics of Compact Bone - CORRECT ANSWER - denser, makes up 3/4 of total
skeleton, outermost layer, makes up most of diaphysis, made up of inversion systems (canals),
has medullary cavity in middle with bone marrow
Characteristics of Spongy Bone - CORRECT ANSWER - makes up 1/4 of skeleton, no
osteons, has trabecule, found at epiphysis, found in middle of other bones (skull), covered/
surrounded by compact bone
General Features of Bones - CORRECT ANSWER - medullary cavity, articular cartilage,
periosteum, endosteum, nutrient foramina, epiphyseal plate, and epiphyseal line
Medullary Cavity - CORRECT ANSWER - surrounded by compact bone, contains bone
marrow
Articular Cartilage - CORRECT ANSWER - made up of hyaline cartilage, found where
bone meets bone (knee), reduces friction
Nutrient Foramina - CORRECT ANSWER - very small holes where blood vessels enter
bones
Periosteum - CORRECT ANSWER - external covering of bone, none where articular
cartilage is
