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The axial skeleton includes all of the following except the
B) ribs and sternum.
C) vertebral column.
D) pelvic girdle.
Which of the following common terms for the surface features of bones is used to describe a hole through a bone?
The suture that lies between the left and right parietal bones is the
A) longitudinal suture.
B) squamous suture.
C) sagittal suture.
D) coronal suture.
E) lambdoidal suture.
The sella turcica, which houses the pituitary, is part of what cranial bone?
The optic nerve connects to the eyeball after passing through the optic foramen. The optic foramen is found in which of the following bones of the skull?
All of these bones contain sinuses except
If you had a middle ear infection, to which of the following bone areas is the illness most likely to spread?
A) hypophyseal foramen
B) sella turcica
C) perpendicular plate
D) mastoid part
E) mandibular fossa
The meninges attach to several bony points in the skull. One of the places they attach is
A) the sella turcica.
B) the lateral pterygoid plate.
C) palatine processes.
D) the zygomatic arch.
E) the crista galli.
Which of the four curves of the adult vertebral column develop as an infant begins to lift its head?
The spinal nerves exit the vertebral column by passing through the intervertebral foramen. What part of each vertebra is notched to form the intervertebral foramen?
D) transverse process
This region contains the atlas and the axis.
The upper most portion of the sternum is the ________________.
When the elbow is straightened, the olecranon process of the ulna fits into which part of the posterior surface of the humerus?
B) ulnar notch
C) olecranon fossa
D) coronoid fossa
The pollex contains how many phalanges?
The humerus has its superior articulation with the
B) radial tuberosity.
C) trochlear notch.
D) semilunar cavity.
E) glenoid cavity.
The bones surrounding the obturator foramen are the
A) pubis and ischium.
B) pubis and ilium.
C) ilium and ischium.
D) pubis, ischium, and ilium.
The head of the femur articulates with the hip bone at the
A) obturator foramen.
B) greater sciatic notch.
D) pelvic inlet.
The lateral malleolus is found on the distal end of which of the following bones?
A female pelvis, when compared to a male's has a
A) more lateral acetabulum.
B) greater angle of pubic arch.
C) heavier bones.
D) taller public symphysis.
E) heart-shaped pelvic outlet.
Describe why the Hyoid bone is so unique:
hyoid bone doesnt articulate with another bone, while all the other bones of the body articulate with other bones. the hyoid bone articulates with muscle, and is the attachment for the tounge, mandible, and larynx and holds the mucles in place. the hyoid is located in the neck
what are the three paranasal sinuses?
- 1. frontal
- 2. ethmoid
- 3. maxillary
The three sinuses are connected to the nasal caviety, and are lined by mucous membranes. The sinuses are air - filled space. When you have a cold the spaces add the nasaly resonceses.
what are the functions of the vertebral column?
- 1. support the skull and trunk
- 2. movement
- 3. protects the spinal cord
- 4. absorbs shock
There are ___ cervical vertebrae, ___ thoracic vertebrae, and ___ lumbar vertebrae.
7, 12, 5
the _____ is 4 fused vertebrae - they fuse around age 20 - 30, while the ____ is 5 fused vertebrae that fuse around 16 - 26 years old
coccyx and sacrum
the _____ is superior to the _____.
what is the fxn of the thoracic cage?
- 1. encloses the heart, lungs and great vessels
- 2. protects organs
what makes up the thoracic cage?
- 1. Sternum - manubrium, body, xyphoide process
- 2. Ribs
- 3. Thoracic vertebrae
what makes up the pelvic gridle? what are the fxns of the pelvic gridle?
2 hip bones, sacrum, sacroiliac joint, pubic symphysis
support the trunk, enclose and protect the organs of the pelvis
the patella is known as a ________ bone.
Name the carpals:
the thumb, called the ____ is in positin # 1 and only has 2 phalanges, the proximal and distal.
what is the difference between the axial and appendicular skeletons.
the axial is the central core of the body, while the appendicular is the appendges or arms and legs.
list the bones of the axial skeleton:
skull, vertebrae, thoracic cavitiy, sternum, and hyoid
list the bones of the appendicular skeleton:
arms, legs, upper limbs, pectoral girdle, pelvic girdle, and lower limbs
what is the location and fnx of the foramen magnum?
- Location: occipital bone
- fnx: allows the spinal cord to pass thru
Name the 8 kinds of facial bones:
- 1. Nasal
- 2. Ethmoid
- 3. Zygomatic
- 4. maxilla
- 5. mandible
- 6. lacrimal
- 7. vomer
- 9. inferor nasal conchae
list the features of the sternum
- xiphoid process
list the features of the scapula:
- acromioin process
- coracoid process
- glenoid fossa
list the features of the humerus:
- head : glenoide cavity articulation
- deltoid tuberosity: deltoid muscle attachment, rough elevated surface
- olecranon fossa: insertion for olecranon of the ulna
- trochlea: ulna artiuclation
- capitulum: raidus articulation
- medial epicondyles: funny bone
- lateral epiconndyles
list the proximal carpals of the hand:
scaphoid, lunate, triquetrum, pisiform
list the distal carpals of the hand:
trapezium, trapezoid, capitate, hamate
list the features of the coxal bone:
- acetabulum: connects to femur, socket
- obturator foramen
- ilium (4 spines)
- ischium: what you sit on
- pubis symphysis
- auricular surface: articulation with the sacrum
list the features of the femur:
- head: fits into the acteabulum
- greater trochanter
- lesser trochanter: both used for muscle attachment
- medial condyles
- medial eipcondyles
- lateral condyles
- lateral eipcondyles
- patellar surface
- linea aspera: rough line
- patella: developes in tendons, ossifies at 3-6 years old
a rounded knob that articulates with another bone is called a:
a smooth, flat, slightly concave or convex articular surface is called a:
the prominent expanded end of a bone, sometimes rounded is called a:
a narrow ridge is called a:
a projection superior to a condyle is called a:
a slightly raised, enlongated ridge is called a:
a bony prominence is called a:
a sharp, slender, or narrow process is called a:
two massive porcess unique to the femur is called a:
a small, rounded process is called a
a rough, elevated surface is called a
a pit or socket is called an
a shallow, borad, or enlongated basin is called a
a hole thru a bone, usually rounded is called a
an opening into a canal is called a
an air filled space in a bone
humans have ___ pairs of true ribs and ___ pairs of false ribs
which of the following is NOT a function of the skeletal system?
a. electrolyte balance
b. blood cotting
a hole through the bone ( usually round) is called a:
The crista galli and cribiform plate are characteristics of which bone?
what are the Fxns of the skeletal system:
- electrolyte balance
- store Ca2+ and PO4-
- blood formation
List some bones that are considered short bones:
list some long bones:
list some flat bones:
- parietal bones
- hip bones
list some irregular bones:
List the structure, location and fxn of fontals
- Structure: fiborous membranes
- Location: anterior, posterior, mastoid, sphenoid
- Fxns: allow the skull to shift when passing thru the vaganial canal, allows for rapid brain growth