A&p exam 2
Suppose the epiphyseal lines appear in a 10 year old's long bones. Which of the following statements is therefore true
The epiphyseal plates have ossified and further growth in length is not possible.
You cannot palpate the __________ on a living person.
medial surface of the fibula
What type of tissue is found in the most superficial layer of skin?
stratified squamous epithelium
The following are important steps in the process of endochondral ossification. What is the correct order of these events?
3,1,4,5,2
The following are major steps in the process of intramembranous ossification: 1. Clusters of osteoblasts form osteoid that becomes mineralized. 2. Osteoblasts differentiate within mesenchymal connective tissue. 3. Spicules of bone radiate out from the ossification centers. 4. Mesenchymal cells aggregate.
4, 2, 1, 3
The upper limb is made up of 30 bones. The hand has ____ bones in the wrist and____ bones in the palm
8;5
Flat bones are formed by intramembranous and the endochondral ossification.what is a sesamoid bone ?
A bone that forms within some tendons in response to stress
What is the correct sequence of steps in bone repair ?
A hematoma occurs, An internal callus forms at the site of injury, Cartilage in the external callus is replaced by bone, Osteoclasts and osteoblasts remodel the bone at the site of repair (2,3,1,4)
Which cranial bone(s) are separate right and left bones at birth but generally fuse by the age of 5?
Frontal bone and mandible
Out of 206 bones in the adult skeletal system one of them does not articulate with any other bone , the function of the hyoid bone is to
Anchor the tongue muscles
The tarsal is made up of 7 bones . Which of the following is not a tarsal bone ?
Anterior cuneiform
Connective tissue binds and holds various tissues in the body . The __________ exhibits a lot of apparently empty space , and is found in many serious membranes.
Areolar tissue
Most vertebrae have a prominent body and spines. which vertebrae does not have a body ?
Atlas
The four curves of the adult spinal column are not at all present at birth.which of the following are the secondary curves,which do not appear until several months later ?
Cervical and lumbar
The superior and inferior temporal lines mark the points of attachment muscles that ?
Close the mouth .
Which of the following does not count for the gelatinous consistency of connective tissue ground substance ?
Collagen
The basement membrane is found between ______and ________
Epithelium ;connective tissue
The membranes are made up of both epethelia and connective tissues . The membrane that lines the lumenal surfaces of the digestive respiratory, urinary, and reproductive tracts consists of _____
Epithelium and lamina propria
The lower bears all weight of the body . Which of the following bones is not weight bearing ?
Fibula
Markings on the bone are important landmarks in identifying the bones . A shallow depression on a bone is termed a
Fossa
Which of the following is not a feature that almost all connective tissues have in common ?
Ground substance is so scarce that it is not visible with a light microscope.
The connective tissue is made up cells embedded in a matrix, glycosaminoglycans (GAGs) help give the ground substance some of its qualities including _____
Holding water and maintaining electrolyte balance
What type of issue replaced in the embryo during a endochonral ossification?
Hyaline cartilage
Mineralization makes the bones stronger . In the bone, the calcium phosphate forms crystals of
Hydroxyapatite
The ____ does not belong to the Femur
anterior border
The appendicular skeleton includes the bones of the upper and lower extremities and their supporting elements called
Joints
The spaces found within the concentric lamallae are called ____.and they contain ___.
Lacunae;osteocytes
The ligament that surrounds the ____ attaches to the tibial tuberosity
Patella
The inferior nasal septum is made up of vomer . Which part of ethmoid bone forms the superior part of the nasal septum ?
Perpendicular plate
All bones below the axial skeleton ,except____.which belongs to the appendicular skeleton .
Scapula
The skeletal system performs a number of functions other than providing support .which of the following is not a function of the skeleton?
Storage of red blood cells
There are two mechanisms of bone formation.which of the following is formed by intramembranous ossification ?
The roof of the skull and the clavicle
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.
Which of the following is not found on a typical veterbra ?
Vertebral head
A young boy was skating and falls and fractures his pisform bone. What part of her body was injured ?
Wrist
The sinuses of the skull make it lighter. The paranasal sinuses are located in all the following bones except the
Zygomatic
arteriosclerosis is one example of ectopic ossification which means ______
abnormal calcification of a tissue
Each of the following statements concerning the development of the skull is true except that
all the bones of the skull develop from one single ossification focus.
If a thyroid tumor secreted an excessive amount of calcitonin, we would expect
an elevated level of osteoblast activity
A growing long bone in a child has only two areas of cartilage at the epiphysis. These two areas are
articular cartilage and epiphyseal plate
Which of the following is not a feature that connective tissues have in common ?
calcified matrix
It is common to find __________ in compact bone, but they are not seen in spongy bone.
central canals
The rubbery matrix of cartilage is secreted by __________, whereas _________ produce the fibers and ground substance that form the matrix of fibrous connective tissue.
chondroblasts;fibroblasts
thoracic vertebrae differ from the other vertebrae in that they have _____
costal facets
Each of the following structures is associated with the sphenoid bone except the
cribriform plate
The pelvic organs are mostly found within the
iliac fossa
parathyroid hormone functions in all of the following ways except
inhibiting calcitonin secretion
What portion of the fibula articulates with the talus?
lateral malleolus
Which of the following is not a function of a parathyroid hormone (PTH)
lower blood calcium
Which bone helps form the coronal, lambdoid, and squamous sutures of the skull?
parietal bone
Which of the following are not considered facial bones
parietal bones
What is the major function of the axial skeleton
provide central support for the body and protect internal organs
All of the following are found on the temporal bone except the ___
sella turcica
Each of the following is associated with the temporal bone except the
sella turcica
Which two strata of the epidermis are most susceptible to cancer?
stratum spinosum and stratum basale
If there were no paranasal sinuses ,all of the following would be true except
the ability to sneeze would be impaired.
Male and female pelves differ in all of the following features except __________.
the female sacrum is longer
Identify the mismatched pair.
thoracic cage: sternum and 24 ribs and 2 clavicles
What are the major functions of the intervertebral discs ?
to absorb shock and provide flexibility to the spine
Which of the following tissues is not found as a part of a long bone ?
transitional epithelium