Bone length is called:
a. Interstitial growth
b. Epiphyseal growth
c. Interosteon growth
d. Appositional growth
b.
What is the function of the collagen fibers and other organic
molecules found in bone?
Hardness
Secretion of inorganic bone salts Flexibility
Formation of the bony callus
b.
Bone resorption involves increased activity of osteoclasts.
a. True
b. False
c. None of the above
d. more than one answer
a.
What is the replacement of cartilage framework known as?
a. endochondral ossification.
b. mitosis
c. endocytosis ossification
d. none of these
a.
The growth of bone is controlled primarily by____________.
a.The autonomic System
b. Osteons
c. Endocrine glands
d. Hormones
d.
Place in order the steps involved in endochondral
ossification.1. Nutrient artery invades the
perichondrium.2. Osteoclasts create a marrow cavity.3.
Chondrocytes enlarge and calcify.4. Secondary ossification
centers appear at epiphyses.5. Osteoblasts become active in the
primary ossification center.
a.1,2,3,5,4
b. 3,1,5,2,4
c. 3,1,5,4,2
d. 2,1,5,4,3
b.
Spongy bone differs from compact bone because spongy bone:
a.Is composed of numerous osteons (haversian systems).
b.Is found primarily in the diaphyses of long bones, and compact
bone is found primarily in the epiphyses of long bones.
c.Does not contain osteocytes contained in lacunae.
d.Is composed of trabeculae that are oriented along lines of stress.
d.
A primary effect of weight-bearing exercise on bones is to
a.Provide oxygen for bone development.
b.Increase the demineralization of bone.
c. Maintain and increase bone mass.
d.Utilize the stored triglycerides from the yellow bone marrow.
c.
Place in order the steps involved in the repair of a bone fracture.
1. Osteoblast production of trabeculae and bony callus
formation2. Formation of a hematoma at the site of
fracture3. Resorption of remaining bone fragments and remodeling
of bone4. Migration of fibroblasts to the fracture site5.
Bridging of broken ends of bones by a fibrocartilaginous callus.
a. 2,3,4,5,1
b. 2,5,1,3,4
c. 2,5,1,4,3
d.1,2,3,4,5
e. none of the above
b.
A layer of small, scattered chondrocytes anchoring this also known as
the zone of:
a.Hypertrophic cartilage
b.Calcified cartilage
c.Proliferating cartilage
d.Resting cartilage
e. none of the above
d.
Cells that secrete the components required to build bone are:
a.Osteoblasts
b.Osteoclasts
c.Osteocytes
d.Osteons
e. all of the above
a.
Your patient comes in with a fracture and you can see one end of the
bone protruding from her skin. What type of fracture does she have?
a.Impacted fracture
b.Compound fracture
c.Stress fracture
d.Greenstick fracture
e. none of the above
b.
Calcitriol is the active form of which of the following vitamins?
a.Vitamin K
b.Vitamin C
c.Vitamin D
d.Vitamin E
e. none of he above
c.
A primary effect of weight-bearing exercise on bones is to
a.Provide oxygen for bone development.
b.Increase the demineralization of bone.
c.Maintain and increase bone mass.
d.Utilize the stored triglycerides from the yellow bone marrow.
e. none of the above
c.
Which hormone decreases blood calcium levels by accelerating calcium
deposition in bones and inhibiting osteoclasts?
a.PTH
b.Calcitonin
c.Sex hormones
d.Growth hormone
e. all of the above
b.
Cells that secrete the components required to build bone are:
a.Osteoblasts
b.Osteoclasts
c.Osteocytes
d.Osteons
e. all of the above
d.
Calcitriol is the active form of which of the following vitamins?
a.Vitamin K
b.Vitamin C
c.Vitamin D
d.Vitamin E
e. all of the above
c.
The endosteum is the:
a.Space within the shaft of the bone that contains yellow bone marrow
b.Thin layer of hyaline cartilage covering the ends of bones where
they form a joint
c.Membrane lining the medullary cavity
d.The tough covering that surrounds the bone surface wherever
cartilage is not present
c.
Membrane-filled spaces between cranial bones that enable the fetal
skull to modify its size and shape for passage through the birth canal
are called:
a.Sutures
b.Periosteum
c.Sinuses
d.Fontanels
e. all of the above
d.
The hypophyseal fossa of the sella turcica of the sphenoid bone
contains the:
a.Hypothalamus
b.Pituitary gland
c.Thyroid gland
d.Pineal gland
e. Epithalamus
d.
he regions of the vertebral column that consist of fused vertebrae are:
a.Sacrum and coccyx
b.Thoracic and lumbar
c.Lumbar and sacrum
d.Cervical and thoracic
e. none of the above
a.
In which of the following bones are paranasal sinuses not found?
a.Frontal bone
b.Sphenoid bone
c.Lacrimal bones
d.Ethmoid bone
e. Maxillla
c.
Which of the following pairs are mismatched?
a.Mandible: only movable bone in the skull
b.Hyoid: bone that does not articulate with any other bone
c.Sacrum: supports lower back
d.Thoracic vertebrae: articulate with thoracic ribs posteriorly
e.Inferior nasal conchae: classified as facial bones
c.
Which of the following bones are not paired?
a.Vomer
b.Palatine
b.Lacrimal
c.Maxilla
d.Nasal
e. crista galli
a.
The suture located between a parietal and temporal bone is the
a.Lambdoid
b.Sagittal
c.Coronal
d. Anterolateral
e.Squamous
e.