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skeletal system chp 6,7,8
The structure of bone tissue suits the function. Which of the following bone tissues is adapted to support weight and withstand tension stress?
Yellow bone marrow contains a large percentage of ------?
The cell responsible for secreting the matrix of bone is the -----?
A fracture in the shaft of a bone would be a break in the-----?
The most abundant skeletal cartilage type is-----?
support, protection, movement, mineral storage, and blood cell formation
What are the five functions of the skeletal system?
The structural unit of compact bone is-----?
osteoblasts and osteoclasts
Bones are covered and lined by a protective tissue called periosteum. the inner (osteogenic) layer consists primarily of------?
The periosteum is secured to the underlying bone by dense connective tissue called ----?
Blood vessels and nerve fibers
the canal that runs through the core of each osteon (the Haversian canal) is the site of ------?
The small spaces in bone tissue that are holes in which osteocytes live are called-----?
Bones are constantly undergoing resorption for various reasons. which of the following cells accomplishes this process?
Parathyroid hormone (PTH)
Which hormone increases osteoclast activity to release more calcium ions into the bloodstream?
Vertebrae are considered ------ bones?
a bone fracture perpendicular to the bone's axis is called a(n) ------ fracture?
Which of the following glands or organs produces hormones that tend to decrease blood calcium levels?
Spongy bones are made up of a framework called ----?
Osteogenesis is the process of ------?
Growth of bones is controlled by a symphony of hormones. which hormone is important for bone growth during infancy and childhood?
protein, vitamins C,D,A, calcium, phosphorus, magnesium, and manganese
normal bone formation and growth are dependent on the adequate intake of ------?
which fracture would be least likely in a 92-year old?
the inferiormost part of the sternum is the -------?
skull, vertebral column, and the thoracic cage
The axial skeleton contains------?
Only the ----- vertebra does not have a body?
it is the only bone of the body that does not articulate with any other bone
the hyoid bone is unique because------?
act as shock absorbers
The major function of the intervertebral discs is to-----?
the frontal, sphenoid, ethmoid, and maxillary bones
Paranasal sinuses are found in which of these facial bones?
Which of the following is an abnormal lateral curvature of the vertebral column often seen in the thoracic region?
the lumbar region
Which part of the vertebral column receives the most stress by bearing most of the weight of the body?
provide protection and support
The major function of the axial skeleton is to -----?
two hip bones
What bones does the pelvic girdle include?
A fribours joint that is a peg-in-socket is called a ------ joint?
intracapsular ligaments that cross each other in the notch between the femeral condyles
The cruciate ligaments of the knee is what?
If a patient is suffering from bursitis, this condition would be desigated as inflammation of a-----?
cushion the bones from impact
articular cartilage found at the ends of the long bones serves to-----?
Connective tissue sacs lined with synovial membranes that act as cushions in places where friction develops are called-----?
The gliding motion of the wrsit is accomplished because of the ----- joint?
by structure and function
How are joints classified?
on the skull
A joint that is known as a suture is found-----?
it separates the bones in synovial joints
Synovial fluid is present in joint cavities of freely movable joints. which of the following statements is true about this fluid?
less common and harder to do
compared ot the shoulder, displacements of the hip joints are------?
the deposition of uric acid crystals in joints and soft tissue
gouty arthritis is a painful condition caused by -----?
when one is moving a limb away from the medial plane of the body along the frontal plane, it is called -----?
the trapezium and the first metacarpal
saddle joints have concave and convnex surfaces. name the two bones of the hand that articulate to form a saddle joint?
it surrounds the tendon and allows the tendon to move
tendon sheaths do what?
which of the following conditions is generally considered a noninflammatory type of arthritis?
the semilunar cartilages of the knee
Menisci refer to-----?
synarthrotic joints -------?
bending your head back until it hurts is an example of ---------?
on the basis of strucutral classification, which joint is fibrous connective tissue?
an immovalbe joint foud only between skull ones is called a --------?
radius and ulna
the antebrachium is composed of which of the following two bones?
what refers to the formation of blood cells within the red marrow cavities of certain bones?
what is replaced more spongy bone or compact bone?
what is a tissue that serves only to protect the bone becasue it is not supplied with nerves or blood vessels?
what resembles the growth rings of a tree trunk?
Sixty-five percent of the mass of bone is a compound called -----?
what kind of bone is an osteon found in?
osteocytes, lamellae, and a central canal
what three things does an osteon contain?