Mastering A&P Skeletal System

label the ribs

2 floating ribs at bottom, too

Which of these statements describes a function of fontanels?

Fontanels allow the fetal skull to be compressed slightly during childbirth

The vertebral column has primary curvatures of the thoracic and sacral regions and second curvatures of the cervical and lumbar regions. These curvatures give the vertebral column an S-shape. Exaggerations or changes of the normal curves of the column result in abnormal curvatures of the spine.

Label these spinal deformities

Which of these is a typical characteristic of the female pelvis?

Which of these is a typical characteristic of the female pelvis?

What is the function of red bone marrow

blood cell formation

Which of these allow nutrients to diffuse from the central canal to all the osteocytes within an osteon?

canaliculi

What type of vertebrae have openings in their transverse processes that guide the vertebral arteries up toward the brain?

cervical

Which spinal curvature develops as an infant begins to hold up his or her head?

cervical

Which of these is responsible for the flexibility of bone?

collagen

In what type of fracture is the bone broken into many fragments?

comminuted

What term refers to the end of a long bone?

epiphysis

What bone does NOT articulate directly with any other bone?

hyoid

During soccer practice, Sadie tripped and tried to stop her fall with her outstretched arms. Her humerus broke and the broken ends were forced into each other. Sadie suffered a(n) __________ fracture.

impacted

Which bones form the palm of the hand?

metacarpal bones

During the repair of a fracture, which of the following cells form the bony callus?

osteoblasts

Which of these bones is most susceptible to fractures?

osteoporotic bones

What type of joint is found between the atlas and the dens of the axis?

pivot

What causes the pain associated with a herniated disc?

pressure on spinal nerves by the protruding disc

Julie fell off her horse and dislocated her right shoulder. The primary treatment to resolve this injury is __________.

reduction

Which bones form the pectoral girdle?

scapula and clavicle

Which bone of the cranium contains a small depression that surrounds the pituitary gland?

sphenoid bone

Which of these is a function of the skeletal system?

storage site for calcium

How is a ball-and-socket joint classified?

synovial joint

Which bones attach directly to the sternum via the costal cartilages?

true ribs

Which of these bones is part of the axial skeleton?

Sternum

Which of these bones form the hard palate?

maxillary and palatine

What is the region of the coxal bone that bears most of the body weight when a person is sitting?

ischial tuberosity

What is the distinguishing feature of a synovial joint?

joint cavity

Miguel has an abnormal forward curvature in the lumbar region, resulting in a swaybacked posture. Miguel has __________.

lordosis