BackChapter 7
Terms in this set (62)
Why would the male pelvis exhibit more prominent (pronounced) bone markings than the female pelvis?
larger leg muscles
During pregnancy and delivery, a hormone called relaxin is secreted to "relax" (soften) the pelvic ligaments and cervix. What pelvic girdle region would be a good target for this hormone to help open up the anterior pelvis during the birthing process?
Pubis
True or False The largest and strongest bone of the face is the maxilla.
False
Which of the following is NOT a facial bone?
the sphenoid bone
Which of the following can be considered a function of the paranasal sinuses?
Sinuses take away a minimal amount of strength from bones while reducing the weight of bones.
How many lumbar vertebrae are in the vertebral column?
5
Which of the following characteristics do not belong to the lumbar region?
Elongated spinous process
Which region of the vertebral column is immediately superior to the lumbar region?
Thoracic
Which region of the vertebral column is immediately inferior to the lumbar region?
Sacral
true or false The shape of the spinous process can be used to help determine if a vertebra is from the lumbar region.
True
The lumbar vertebrae are roughly the same size as vertebrae from the rest of the vertebral column.
False
true or false The lumbar vertebrae are found in the lower back.
True
true or falseThe lumbar vertebrae are part of the appendicular skeleton.
False
How many vertebrae make up the cervical region of the vertebral column?
7
Another name for the axis is:
C2
Identify a unique characteristic of a typical cervical vertebra.
Bifid spinous process
Foramina located in the _____ is a characteristic of cervical vertebrae.
Transverse processes
Which region of the vertebral column contains the smallest vertebrae?
Cervical region
Pregnant women may experience an exaggerated lordosis, or "swayback." Which curvature is affected during pregnancy?
Lumbar 3rd to lowest
what is considered a true rib?
It passes from the vertebral column to the sternum via its own costal cartilage.
define the top middle of ribs
Manubrium
Which of the following bones does NOT fit with the other listed bones?
the clavicle
During cardiopulmonary resuscitation (CPR), it is important to place the compression hands over the sternal body but not over the xiphoid process so that _________.
there is little risk of physically damaging the heart
true or false Its many direct articulations with the axial skeleton makes the pectoral girdle very stable.
False
Which of the following is a bony articulation for the scapula?
the acromion
true or false The radius is the lateral bone in the forearm.
true
The fingers have three of these bones and the thumb has only two
Phalanges
This bone articulates with the glenoid fossa.
Humerus
forearm bone that forms the elbow joint
Ulna
True or false The ischium articulates with both the ilium and the pubis forming the acetabulum.
True
True or false The pelvic outlet is narrower in a female than in a male.
False
True or fasle The ilium is the most proximal bone in the lower appendicular skeleton.
True
Which of the bones aligns with the medial, intermediate, and lateral cuneiforms to form the four distal tarsals?
Cuboid
Which portion of the fibula articulates with the talus?
lateral malleolus
The skull is derived (forms) from:
Fibrous membrane
humans are born with how many fontanels
6
define fontenel
Site of future bone formation
Identify the large fontanelle wedged between the frontal and parietal bones.
Anterior
What is another name for the anteriolateral fontanelle?
Sphenoid
Identify the fontanelle in contact with the temporal and occipital bones.
Mastoid
Identify the FALSE statement about a fontanelle.
It increases protection of the brain
How are the male and female pelvises different?
The pelvic inlet is heart-shaped in the male.
Which of the bones of the skull would you also refer to as a cheekbone?
the zygomatic bone
true or false In women of childbearing age, the dimensions of the true pelvis are of utmost importance.
true
Which is the largest, longest, and strongest bone in the body?
femur
The proximal end of the radius illustrates the relationship of form and function. The cup-like surface of the radial head articulates with the rounded shape of the capitulum. This forms a joint that allows for ________.
the rotational motion of the forearm
True ore false Most of the body's weight is carried by the talus and calcaneus.
true
True or false
True
Which part of the vertebral column receives the most stress by bearing most of the weight of the body?
The lumbar region
what bone articulates with the scapula
scapula and cerivcal
The antebrachium is composed of which of the following two bones?
the radius and the ulna
The glenohumeral joint that articulates the humerus to the pectoral girdle is a highly mobile joint. This mobility comes at a cost because ________.
the joint is relatively unstable and can easily dislocate
On a busy orthopedic service, you encounter several patients, each of whom has broken a different bone in the lower extremity. Which complete fracture will probably allow the earliest resumption of normal walking?
Fibular
True or false Costal cartilages join most ribs to the sternum.
True
The "true wrist" or carpus consists of ________.
a group of eight short bones united by ligaments
Which is the best description for the function of the cranial bones?
Protect the brain
The sella turcica is part of the ________ bone and houses the ________ gland.
sphenoid; pituitary
Which of the following is a bony articulation for the scapula?
the acromion
A fracture of which structure is commonly referred to as "breaking your hip"?
the neck of the femur
Which of the following areas/bones would absorb the impact of walking when a foot first touches the ground during a normal stride?
the heel (calcaneus)
From the list below, select the least likely explanation for the relatively high mobility of the arms.
The subscapular notch is a passageway for nerves.
What are the major functions of the intervertebral discs?
to absorb shock and provide flexibility to the spine