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68 terms

A&P Exam 2

STUDY
PLAY
skeletal
Support, hematopietic site, storage, and providing levers for muscle activity are all functions of the _____ system.
short bone
A bone with approximately the same width, length, and height is most likely a _____.
diaphysis
The shaft of a long bone is properly called _____.
D- medullary cavities in bone of a healthy adult
Sites of hematopoiesis include all BUT: A- red marrow cavities of spongy bone, B- the diploe of flat bones, C- medullary cavities in bones of infants, D-medullary cavities in bone of a health adult.
osteon
An _____ has a central canal carrying blood vessels, concentric lamellae, osteocytes in lucanae and canaliculi that connect lucanae to the central canal.
B- Hardness
The organic portion of matrix is important in providing all BUT: A- tensil strength, B- hardness, C- ability to resist stretch, D- flexibility.
fibrous connective tissue
The flat bones of the skull develop from _____.
osteoblasts and osteoclasts
The remodeling of bone is a function of which cells?
mechanical stress and PTH
Bone remodeling in adults is regulated and directed mainly by _____ and _____.
farthest from the shaft
Where within the epiphyseal plate are the dividing cartilage cells located?
Wolff's law
_____ is concerned with the thickness and shape of a bone being determined by mechanical and gravitational stresses placed on it.
woven compact
Formation of the bony callus in fracture repair is followed by bone remodeling to convert _____ bone to _____ bone.
greenstick
The fracture type in which the bone ends are incompletely separated is _____.
osteoporosis
The disorder in which bones are porous and thin but bone composition is normal is _____.
frontal and parietal
Which bones are connected by the coronal suture?
sphenoid
The keystone bone of the cranium is the _____.
maxillary
The keystone bone of the face is the _____.
maxillary and palatine
Which bones form the hard palate?
occipital
Which bone allows the spinal cord to pass?
mandible
The bone that forms the chin is the _____.
ethmoid, frontal, maxillary and sphenoid
Which bones contain the paranasal sinuses?
temporal
Which bone contains the mastoid sinuses?
sternum
The bone of the axial skeleton to which the pectoral girdle attaches is the _____.
scapula
Markings of the _____ include glenoid cavity and acromion.
ilium
Features of the _____ include the ala, crest and greater sciatic notch.
clavicle
The _____ is doubly curved and acts as a shoulder strut.
ilium
The _____ is the pelvic girdle bone that articulates with the axial skeleton.
ischium
The _____ is called the "sit-down" bone.
pubis
The _____ is the anteriormost bone of the pelvic girdle.
sacrum
The _____ is part of the vertebral column.
femur
The _____ articulates with the acetabulum and the tibia.
fibula
The _____ forms the lateral spects of the ankle.
radius
The _____ is the bone that "carries" the hand.
carpals
The _____ is the wrist bone.
ulna
The end of the _____ is shaped like a monkey wrench.
radius
The _____ articulates with the capitulum of the humerus.
tarsals
The largest bone of the _____ is the calcaneus.
synovial joints
_____ exhibit a joint cavity.
fibrous joints
Types of _____ are sutures and syndesmoses.
fibrous joints
In _____ bones are connected by collagen fibers.
cartilaginous joints
Types of _____ include synchondroses and symphyses.
synovial joints
All _____ are diarthrotic.
cartilaginous joints
Many _____ are amphiarthrotic.
cartilaginous joints
In _____ bones are connected by a disc of hyaline cartilage or fibrous cartilage.
fibrous joints
Nearly all _____ are synarthrotic.
synovial joints
The shoulder, hip, jaw and elbow are _____.
diarthroses
Freely movable joints are _____.
synovial joints
Anatomical characteristics of _____ include articular cartilage, a joint cavity, and articular capsule.
synovial joints
Factors that influence the stability of _____ include shape of articular surfaces, presence of strong reinforcing ligaments, and tone of surrounding muscles.
hip joint
The description" Articular surfaces are deep and secure; capsule heavily reinforced by ligaments and muscle tendons; extremely stable joint" best describes the _____.
Ankylosis
_____ means immobility of a joint due to fusion of its articular surfaces.
rheumatoid arthritis
An autoimmune disorder in which joints are affected bilaterally and which involves pannus formation and gradual joint immobiliation is _____.
Diarthrotic
Synovial joints/ freely movable
Synarthrosis
Joint which permits very little or no movement.
Synchondrose
A joint in which the connective medium is cartilage.
Ampharthrosis
continuos, non movable joint.
Keratinocyte
Which epidermal cell type is most numerous?
epidermal dendritic cell
Which cell functions as part of the immune system?
keratin
The epidermis provides a physical barrier due largely to the presence of _____.
Skin color
_____ is determined by the amount of blood, pigments, and oxygenation level of the blood.
dermis
The sensations of touch and pressure are picked up by receptors located in the _____.
False
True of False: The papillary layer of the dermis is most responsible for the toughness of the skin.
flexure lines
Skin surface markings that reflect points of tight dermal attachment to underlying tissues are called _____.
C- sensory receptors
What is not an epidermal derivative?
arrector pili muscle
A(n) _____ can cause a hair to stand straigh up.
apocrine gland
The product of this type of sweat gland includes protein and lipid substances that become odoriferous as a result of bacterial action.
Sebum
_____ lubricates the surface of the skin and hair, consists of cell fragments and fatty substances and in excess may cause seborrhea. (A,B,C)
the extent of a burn
The rule of nines is helpful clinically in determining _____.