Holes Anatomy and Physiology final Exam
(Answered)
What are the functions of the skeletal system?
-protect soft tissue
-provide attachment for muscles
-store inorganic salts
-exchange gases for the body
What is the definition of hematopoiesis?
the process of blood cell formation
What vitamin is necessary for proper absorption of calcium in the small
intestines?
vitamin d
What cell found in bone functions to deposit bony matrix, resulting in the growth
of bone tissue?
osteoblast
describe osteblasts
-bone-building cells
-involved with bone deposition
-these cells should become more active when blood calcium levels are high
-calcitonin causes these cells to become more active
describe osteoclasts
-bone resorbing cells
-parathyroid hormone cells to become more active
-massive multinucleate cells
describe osteocytes
bone cells encased in matrix
intramembranous ossification
-parietal bones
-bones form between sheetlike layers of connective tissue
-occipitcal bone
-compact-spongy-compact sandwich
temporal bone
scapula
true ribs
spinous process of thoracic vertebra
lacrimal bone
foramen magnum
head of humerous
infraspinous fossa
ulna
mental foramen
sacrum
lambdoid suture
tibial tuberosity
freely movable
, Diarthrotic joints are
immovable
Synarthrotic joints are
slightly movable
Amphiarthrotic joints are
menisci
Fibrocartilage discs within joint
bursae
Fluid-filled sacs
synovial membrane
Lining of joint cavity; secretes fluid
articular cartilage
Protective layer the covers bone ends
pivot joint
ball and socket joint
saddle joint
hinge joint
condylar joint
flex
When you reach up to scratch your nose, you have to _______ your elbow.
flex
flex
When you sit in a chair with your feet on the floor, you have to _______ your hips and
______ your knees.
abducting
adducting
Doing jumping jacks requires that you alternate ______ and _______ your lower
extremities.
muscle
fascile
muscle fiber
myofibril
myofilaments
Place in order from largest to smallest the components of a skeletal muscle
sarcoplasmic reticulum
Site for storage of calcium
myofibril
Threadlike bundles of thick and thin filaments
sarcolemma
Plasma membrane of muscle fiber
sarcoplasm
Cytoplasm of muscle fiber
mitochondria
Site of ATP production
sarcomere
Functional unit of contraction within muscle fiber
(Answered)
What are the functions of the skeletal system?
-protect soft tissue
-provide attachment for muscles
-store inorganic salts
-exchange gases for the body
What is the definition of hematopoiesis?
the process of blood cell formation
What vitamin is necessary for proper absorption of calcium in the small
intestines?
vitamin d
What cell found in bone functions to deposit bony matrix, resulting in the growth
of bone tissue?
osteoblast
describe osteblasts
-bone-building cells
-involved with bone deposition
-these cells should become more active when blood calcium levels are high
-calcitonin causes these cells to become more active
describe osteoclasts
-bone resorbing cells
-parathyroid hormone cells to become more active
-massive multinucleate cells
describe osteocytes
bone cells encased in matrix
intramembranous ossification
-parietal bones
-bones form between sheetlike layers of connective tissue
-occipitcal bone
-compact-spongy-compact sandwich
temporal bone
scapula
true ribs
spinous process of thoracic vertebra
lacrimal bone
foramen magnum
head of humerous
infraspinous fossa
ulna
mental foramen
sacrum
lambdoid suture
tibial tuberosity
freely movable
, Diarthrotic joints are
immovable
Synarthrotic joints are
slightly movable
Amphiarthrotic joints are
menisci
Fibrocartilage discs within joint
bursae
Fluid-filled sacs
synovial membrane
Lining of joint cavity; secretes fluid
articular cartilage
Protective layer the covers bone ends
pivot joint
ball and socket joint
saddle joint
hinge joint
condylar joint
flex
When you reach up to scratch your nose, you have to _______ your elbow.
flex
flex
When you sit in a chair with your feet on the floor, you have to _______ your hips and
______ your knees.
abducting
adducting
Doing jumping jacks requires that you alternate ______ and _______ your lower
extremities.
muscle
fascile
muscle fiber
myofibril
myofilaments
Place in order from largest to smallest the components of a skeletal muscle
sarcoplasmic reticulum
Site for storage of calcium
myofibril
Threadlike bundles of thick and thin filaments
sarcolemma
Plasma membrane of muscle fiber
sarcoplasm
Cytoplasm of muscle fiber
mitochondria
Site of ATP production
sarcomere
Functional unit of contraction within muscle fiber
