The growth pattern of bone in which matrix is laid down on the surface.
Appositional growth
The area of long bones where cartilage cells are replaced by bone cells.
Diaphysis
The appearance of this structure signals the end of bone growth.
Epiphyseal line
Area where bone longitudinal growth takes place
Epiphyseal plate
Epiphyseal plate
Osteoclasts out-pace osteoblasts due to low hormone production of the ovaries.
Bones are porous and thin but bone composition is normal.
Osteoporosis
Bone formed is poorly mineralized and soft. Deforms on weight bearing.
Osteomalacia
Abnormal bone formation and reabsorption.
Paget's disease
Which of the following glands or organs produces hormones that tend to decrease blood calcium levels?
thyroid
Bones are constantly undergoing resorption for various reasons. Which of the following cells accomplishes this process?
osteoclast
What is absolutely required for bone growth or healing from a fracture?
osteoblasts
An incomplete fracture or cracking of the bone without actual separation of the parts.
Common in children.
Greenstick
Bone fragments into many pieces.
Comminuted
Common sports fracture resulting from a twisting force.
Spiral
All bones stop growing by the end of adolescence
False
Osteogenesis is the process of ________.
bone formation
In the epiphyseal plate, cartilage grows ________.
by pushing the epiphysis away from the diaphysis
For intramembranous ossification to take place, which of the following is necessary?
An ossification center forms in the fibrous connective tissue.
Bones are classified by whether they are weight bearing or protective in function.
False
Cells that can dissolve the bony matrix
Osteoclasts
Layers of bone matrix
Lamellae
Small channels that radiate through the matrix of bone
Canaliculi
Cells that can build bony matrix
Osteoblasts
Which of the following is a bone marking name that indicates an armlike bar of bone?
ramus
The structure of bone tissue suits the function. Which of the following bone tissues is adapted to support weight and withstand tension stress?
compact bone
Yellow bone marrow contains a large percentage of ________.
fat
A fracture in the shaft of a bone would be a break in the ________.
diaphysis
What is the structural unit of compact bone?
the osteon
The periosteum is secured to the underlying bone by dense connective tissue called ________.
perforating (Sharpey's) fibers
The term osteoid refers to the organic part of the matrix of compact bones.
True
An osteon contains osteocytes, lamellae, and a central canal, and is found in compact bone only
True
Which of the following is the single most important stimulus for epiphyseal plate activity during infancy and childhood?
growth hormone
The process of bones increasing in width is known as ________.
appositional growth
What kind of tissue is the forerunner of long bones in the embryo?
hyaline cartilage
What can a deficiency of growth hormone during bone formation cause?
decreased proliferation of the epiphyseal plate cartilage
Lengthwise, long bone growth during infancy and youth is exclusively through ________.
interstitial growth of the epiphyseal plates
After having a severe cold accompanied by nasal congestion, Jamila complained that she had a headache just above her eyes and that the right side of her face ached. What specific bony structures probably became infected by the bacteria or viruses causing the cold?
The frontal sinus located in the frontal bone, and the right maxillary sinus located in the right maxilla
The ethmoid bone is composed of all of the following except the _______
inferior nasal concha
The suture that connects the two parietal bones together is the ________.
sagittal
Which bone acts as a moveable base for the tongue?
hyoid bone
What is the major function of the axial skeleton?
provide central support for the body and protect internal organs
The membranous areas between the cranial bones of the fetal skull are called ________.
fontanelles
Body weight is carried primarily by the talus and calcaneus.
True
The fibula is the major weight-bearing bone of the leg.
False
The ischium articulates with both the ilium and the pubis.
True
The pelvic girdle does not include the ________.
femur
Which forms the largest portion of the coxal bone?
ilium
In the anatomical position, the lateral forearm bone is the radius
True
Which bone contains areas of diaphysis and epiphysis areas, a tuberosity near its middle, and is proportionally more compact than spongy bone?
humerus
The layman's name for the scapula is the collarbone.
False
The term vertebrochondral ribs refers to ribs that attach to each other before they attach to the sternum
True
Costal cartilages join most ribs to the sternum.
True
All vertebrae possess a body, a spine, and transverse foramina.
False
Lordosis only occurs in pregnant women.
False
There are seven cervical, twelve thoracic, and five lumbar vertebrae.
True
Which of the following is not a movement that can occur between vertebrae?
supination
How are thoracic vertebrae 11 and 12 different from the other vertebrae?
The transverse processes do not have facets that articulate with the tubercles of the ribs
Thoracic vertebrae differ from the other vertebrae in that they have ________.
costal facets
Which part of the vertebral column receives the most stress by bearing most of the weight of the body?
the lumbar region
What is the major function of the intervertebral discs?
absorb shock
Which of the following is an abnormal lateral curvature of the vertebral column often seen in the thoracic region?
scoliosis
Which vertebra does not have a body?
atlas
Which part of the ethmoid bone forms the superior part of the nasal septum?
perpendicular plate
The superior orbital fissure is formed in the sphenoid bone, whereas the inferior orbital fissure is formed between the sphenoid and ________.
maxilla
Which bone forms the prominence of the cheek?
zygomatic bone
All of the bones of the adult skull, except the mandible, are united by sutures and are therefore immovable.
True
The vomer forms part of the nasal septum
True
The largest and strongest bone of the face is the maxilla.
False
The temporal bone connects to the zygomatic bone via the temporal process of the temporal bone.
False
Articulations permitting only slight degrees of movement are ________
amphiarthroses
In the classification of joints, which of the following is true?
All synovial joints are freely movable
The amount of movement permitted by a particular joint is the basis for the functional classification of joints.
True
All joints permit some degree of movement, even if very slight.
False
A fibrous joint that is a peg-in-socket is called a ________ joint.
gomphosis
Fibrous joints are classified as ________.
sutures, syndesmoses, and gomphoses
A joint united by dense fibrocartilaginous tissue that usually permits a slight degree of movement is a ________.
symphysis
Symphyses are synarthrotic joints designed for strength with flexibility.
False
Connective tissue sacs lined with synovial membranes that act as cushions in places where friction develops are called ________.
bursae
The gliding motion of the wrist uses ________ joints.
plane
A nurse is instructing the patient care assistants (PCAs) on transfer techniques. For patients needing to be slid toward the head of the bed, the nurse tells the PCAs use a draw sheet under the patient's torso. She tells them to avoid pulling on their hands or arms. Based on your knowledge of the shoulder joint, explain why pulling on the extremities should be avoided.
In the shoulder joint, stability has been sacrificed to provide the most freely moving joint of the body. The shoulder joint is a ball-and-socket joint. Shoulder dislocations are fairly common, therefore forces that are not under the patient's control should be avoided.
Pronation is a much stronger movement than supination
False
Moving a limb so that it describes a cone in space is called circumduction.
True
Supination is the movement of the forearm in which the palm of the hand is turned from posterior to anterior..
True
Presence of a synovial cavity, articular cartilage, synovial membrane, and ligaments are characteristics of what type of joint?
hinge joint
Which of the following movements does not increase or decrease the angle between bones?
rotation
Which of the following are cartilaginous joints?
Synchondroses
Maggie is a 28-year-old Caucasian woman who has newly diagnosed rheumatoid arthritis (RA). She complains of painful, stiff hands and feet, feeling tired all the time, and reports an intermittent low-grade fever. She asks the nurse if she is going to be "crippled." How should the nurse respond?
RA is a chronic, systemic, inflammatory disorder. Inflammation occurs in the joint, and the fluid that accumulates causes swelling, stiffness, impairment of joint movement, and extreme pain.
A person who has been diagnosed with a sprained ankle has an injury to the ligaments that attach to that joint.
True
Bending of the tip of the finger exhibits flexion.
True
Synovial fluid contains phagocytic cells that protect the cavity from invasion by microbes or other debris
True
Pronation is a much stronger movement than supination
False
Moving a limb so that it describes a cone in space is called circumduction.
True
Bending your head back until it hurts is an example of ________
hyperextension
Synovial fluid is present in joint cavities of freely movable joints. Which of the following statements is true about this fluid?
It contains hyaluronic acid.
What is moving a limb away from the median plane of the body along the frontal plane called?
abduction
The hip joint is a good example of a(n) ________ synovial joint.
multiaxial
Compared to the shoulder, displacements of the hip joints are ________.
rare because of the ligament reinforcement
Football players often sustain lateral blows to the extended knee. Which of the ligaments is (are) damaged as a result?
medial collateral, medial meniscus, and anterior cruciate
Tendon sheaths ________.
act as friction-reducing structures
Which of the following is not a part of the synovial joint?
tendon sheath
The only movement allowed between the first two cervical vertebrae is flexion.
False
Movement at the hip joint does not have as wide a range of motion as at the shoulder joint
True
Flexion of the ankle so that the superior aspect of the foot approaches the shin is called dorsiflexion.
True
Farhad begins typing his term paper on his new computer early one morning. After 8 hours of typing, he notices that his wrists are stiff and very sore. The next morning, Farhad begins to finish his paper, but soon finds his wrists hurt worse than last night. What is wrong?
Farhad is suffering from tendonitis. If he continues to use the keyboard incorrectly, the
tendonitis could develop into a very serious condition called carpal tunnel syndrome.