Chapter 5 (Essential of Human A&P)
What type of vertebra have opening in their transverse process that guide the vertebral arteries up toward the brain?
Cervical
A bone fracture that results in the bone being broken into many fragment is a ___ .
Comminuted Fracture
2. ____: ability to stretch without breaking: due to collagen fibers and other organic parts
Tensile Strength
Metatarsal
The bones between the phalanges and tarsals are the ___
Malleolus
The mallet-shapes protrusion on the inside of the ankle is the medial ___
Diarthroses have a greater degree of mobility and flexibility than synarthroses.
True
Hypercalcemia promoted the deposition of calcium to bones using osteoblasts.
True
Teeth are anchored in the maxillary bones and the mandible.
True
The arrangement of lamellae around central (Haversian) canals forms osteons.
True
The intervertebral discs that cushion the spine and absorb shock are composed of fibrocartilage.
True
The medical malleolus of the tibia and lateral malleolus of the fibula form the two parts of the ankle.
True
The skeletal system is divided into two parts: the axial skeleton , the bones that form the longitudinal axis of the body, and the appendicular skeleton, the bones of the limbs and girdles that attach them to the skeleton.
True
There are seven cervical, twelve thoracic, and five lumbar vertebrae.
True
Which of the following could create an open , or compound; fracture ?
When the broken bone penetrates through the skin
Each complex of central canal and matrix rings in compact bone is known as
an osteon (Haversian system)
What type of tissue covers the epiphysis of bones and reduces friction in the joints?
articular cartilage
Two or more bones meet at a location called a(n) ________.
articulation, joint
The skull, vertebral column, and thoracic cage from the ___ skeleton
axial
What is the function of red bone marrow?
blood cell formation
The canal that runs through the core of each osteon (Haversian system) contains ________.
blood vessels and nerve fibers
The presence of an epiphyseal plate indicated that __
bone length is increasing
The axial skeleton contains _____. 1. Skull 2. Scapula 3. True and False Ribs 4. Vertebrae 5. Phalanges
1,3,4
Which spinal curvature develops as an infant begins to hold up his or her head?
cervical
From superior to inferior, what is the correct order of the vertebrae?
cervical, thoracic, lumbar
The tailbone is the
coccyx
In what type of fracture is the bone broken into many fragments?
comminuted
4. _____ bone breaks into many fragments
comminuted fracture
2. ____ Broken bone portion is pushed inward
depression fracture
Julie experienced a break in the shaft of her femur. What part of her bone was fractured?
diaphysis
What term refers the end of a long bone ?
epiphysis
The fibrous connections between the bones of a fetal skull are ____.
fontanels
The head of the humerus fits into the ________ of the scapula.
glenoid cavity
An incomplete bone break, known as a(n) ________ fracture, is commonly seen in children.
greenstick
1. _____ Incomplete bone break
greenstick fracture
The physician knew her patient was most likely a child before she walked into the examination room because the x-ray revealed a(n) _____.
greenstick fracture
The first step in bone healing involves the formation of a blood-filled swelling known as a(n) ________.
hematoma
The elbow is classified as a(n) ________.
hinge joint
What kind of tissue is the forerunner of long bones in the embryo?
hyaline cartilage
What bone does not articulate 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
5. ____ broken bone ends are forced into each other
impacted fracture
The hyoid bone is unique because it ___.
is the only bone of the body that does not articulate with any other bone
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
The femur, tibia, humerus, and radius are all classified as
long bones
Which spinal curvature is associated with the lower back and appears when a baby begins to walk ?
lumbar
The sternum is the result of fusion of three bones called the ___.
manubrium, body, xiphoid process
Which of these bones form the hard palate?
maxillary and palatine
Which bones form the palm of the hand?
metacarpal bones
What type of bone cell is primarily active when bone growth occurs?
osteoblast
During the repair of a fracture, which of the following cells form the bony callus?
osteoblasts
What causes the pain associated with a herniated disc?
pressure on spinal nerves by the protruding disc
Which of the following is not a function of the skeletal system
regulation of blood pressure
Cube-shaped bones that contain mostly spongy bone are called ________ bones.
short
Janetta has a frontal headache and pressure over her cheekbones and between her eyes. She has a thick nasal discharge and congestion. Janetta mostly likely has __________.
sinusitis
Which bone of the cranium contains a small depression that surrounds the pituitary gland?
sphenoid bone
3. ____ Ragged bone break resulting from twisting forces
spiral fracture
Which of the following bones is considered part of the axial skeleton?
sternum
In adults, the function of the yellow marrow is to:
store adipose tissue
Immovable joints are functionally classified as
synarthroses
How is a ball-and-socket joint classified?
synovial joint
Plane , hinge, and pivot joints are examples of ___.
synovial joints
Which bones attach directly to the sternum via the costal cartilages?
true ribs
Which two bones constitute the forearm?
ulna and radius
What bones protect the spinal cord?
vertebrae
Which of the following is advised treatment for gout ?
weight loss; avoid foods high in nucleic acids; avoid alcohol; take ibuprofen
Which bones are commonly referred to as the cheekbones?
zygomatic bones
The prefix _ means "bone."
Osteo-
Figure 5.3 - The arrangement of bone tissue shown in the figure consists of ____.
Osteons ( Haversian systems)
Mothers who breast-feed their children will lose a percentage of calcium from their bones.
Parathyroid Hormone (PTH)
What type of joint is found between the atlas and the send of the axis?
Pivot
Hasan is a three-year-old boy who lives in Dhaka, Bangladesh. He is small for his age, has bowed legs, exhibits muscle weakness, and complains often of pain in his bones. Hasan most likely has __________.
Rickets
The prefix _ means together
Syn-
There are four stages in healing of a bone fracture. Which of the following best illustrates the sequence of these stages ? 1. Bony callus formation 2. Bone remodeling 3. Fibrocartilage Callus formation 4. Hematoma formation
4, 3, 1, 2
Amphiarthrosis
A joint that is slightly moveable is classified as a(n) ____ joint
Synovial
A membrane that holds the elbow joint together is called a(n) ___ membrane.
Osteoclast
A(n) ___ is a cell that breaks down bone matrix.
The prefix _ means "hammer."
Malle-
The prefix _ means "both."
Amphi-
The prefix _ means "between," "along" or "after"
Meta-
A fracture in the _ can impair the lengthwise growth of bones in a child.
Epiphyseal Plate
Which of the following is only found associated with child's bone?
Epiphyseal Plate
Broken bones do not bleed since bone tissue is avascular.
False
The last two pairs of ribs are called true ribs because they have no attachment to the sternum.
False
Two basic types of bone tissue are compact bone and smooth bones .
False
Which of these statement describes a function of fontanels?
Fontanels allow the fetal skull to be compressed slightly during childbirth
The large hole located in the base of the occipital bone that allows the spinal cords and brain to connect is the ___.
Foramen Magnum
1. _____: abilty to resist compression ; due to calcium salts
Hardness
Figure 5.2 - The parietal bone is indicated by
Label A
Figure 5.1 - The proximal epiphysis is represented by
Label B
Figure 5.1 - The diaphysis is indicated by ____.
Label C
Figure 5.1 - The periosteum, a connective tissue covering on the diaphysis, is represented by ___.
Label F
Figure 5.2 - The ilium, pubis, and ischium fuse to form the bone marked by ___
Label G
Figure 5.1 - The area that serves as a storage area for fat in adults is indicated by
Label H
Figure 5.2- The patellar is indicted by___.
Label I
Figure 5.2 - the mandible is indicated by ____.
Label N
Figure 5.2 - The manubrium and xiphoid process are markings on the bone indicated by ____.
Label O
Figure 5.2 - The radius bone is indicated by __
Label Q
Figure 5.2 - The carpals are indicated by ___.
Label T
Figure 5.2 - The fibula is indicted by ___.
Label X