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