Chapter 7 lecture hw questions

What vertebrae: Bears most of the weight NO canals or foramen Articulates with the hip bones of the pevlic

1. lumbar 2. Coccyx 3. Sacrum

Atlas

Allows the head to nod "yes."

Which bones contain a paired paranasal sinus?

ethmoid bones, frontal bones, sphenoid bones

Which of the following bones is NOT weight bearing? tibia femur fibula talus

fibula

Fetal vertebrae develop through endochondral ossification from a preexisting __________ model. The second step of repair of a fracture of these bones is the formation of a(n) __________ callus.

hyaline cartilage; fibrocartilaginous

The __________ is the only bone in the body that does not directly articulate with any other bone.

hyoid

This bone has a passageway into the nasal cavity

lacrimal bones

Which portion of the fibula articulates with the talus?

lateral malleolus

Which vertebrae would you expect to have the largest body, relative to the other regions?

lumbar

Which of the designated bones articulates with both the vomer and the nasal bones?

maxilla

The bones that contain teeth.

maxillae

What is the name of the bone that forms a hard palete?

palatine bones

Which is the best description for the function of the cranial bones?

protects brain

Only one component bone of the right coxal bone articulates with this same bone component on the other side of the body. Which of the following bone components fits this description?

pubis;The right pubis articulates with the left pubis via a fibrocartilage joint called the pubic symphysis.

Which movements can occur between vertebrae?

rotation flexion and extension lateral flexion

The sella turcica is a portion of this bone.

sphenoid

People who work at computer keyboards all day repeatedly flex their wrists and fingers and therefore become susceptible to carpal tunnel syndrome, a condition in which inflammation of tissue causes tingling and pain. Which one of the following treatments will be least likely to reduce the pain?

squeezing a ball

This bone houses the apparatus of the internal and middle ear.

temporal bones

The walls of each orbit are formed by parts of seven bones:

the frontal, sphenoid, zygomatic, maxilla, palatine, lacrimal, and ethmoid bones.

Which of the following bones is not part of pectoral girdle? the coracoid process the clavicle the scapula the humerus

the humerus

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

The head of the humerus articulates with

the scapula at the glenoid cavity.

The axial skeleton includes ________.

the skull, vertebral column, and rib cage

Which of the following is NOT a facial bone?: the vomer bone the maxilla the sphenoid bone the nasal bone the zygomatic bone

the sphenoid bone (cranial)

These bones are the smallest and lightest vertebrae.

Cervical vertebrae

T or F The shallow socket of the shoulder joint restricts dislocation of the humerus and is the main contributor to the stability of the joint.

False

Lordosis affects the thoracic vertebrae T of F

False, affects the lumbar

T or F The dens articulates with the occipital bone.

False, articulates with atlas bone

Dysplasia of the hip may occur due to congenital malformation of the __________.

Pubis or acetabulum. Congenital hip dysplasia is associated with a shallow or incompletely formed acetabulum and laxity of the hip joint capsule.

This bone is wing-shaped and extends behind the eyes and forms part of the floor of thecranial vault.

Sphenoid

What are the major functions of the intervertebral discs?

To absorb shock and provide flexibility to the spine

T of F Costal cartilages join most ribs to the sternum.

True

T or F The vomer along with the perpendicular plate of the ethmoid bone forms the bony part of the nasal septum.

True

T or F: Most of the body's weight is carried by the talus and calcaneus.

True

T or F; In the anatomical position, the lateral forearm bone is the radius.

True

The ischium articulates with both the ilium and the pubis forming the acetabulum. T of F

True

The tubercle of a rib articulates with the transverse process of a vertebra. T or F

True

The ____ of the humerus articulates with the ulna

caplitum

1. This bone shapes the posterior wall of the pelvis. 2. Coccyx: The fused rudimentary tailbone.

1. Sacrum 2. Coccyx

Pregnant women may experience an exaggerated lordosis, or "swayback." Which curvature is affected during pregnancy?

A diagnosis of lordosis (know as hyperlordosis when it becomes excessive) is based on an exaggerated lumbar curvature.

How many lumbar vertebrae are there in a typical adult skeleton?

A typical adult skeleton has 5 lumbar vertebrae, 12 thoracic vertebrae, and 7 cervical vertebrae.

The bone that articulates with the occipital condyles

Atlas

T or F

Each rib articulates with two separate vertebrae. The tubercle of the rib articulates with the rib facet of a thoracic vertebra on the transverse process. The head of the rib articulates with the bodies of two separate vertebrae.

T of F The temporal bone connects to the zygomatic bone via the temporal process of the temporal bone.

False

What part of the femur articulates with the patella?

Patella surface (distal end)

These very small bones are at the medial wall of each orbit.

Lacrimal bones

Failure of these anterior bones to fuse causes a condition known as cleft palate.

Maxillae

Bones of the cranium include:

Occipital Bone. Temporal Bones. Parietal Bones. Sphenoid Bone. Ethmoid Bone. Frontal Bone.

Connects occipital and temporal bones. suture. Connects temporal and parietal bones. Connects occipital and parietal bones. Connects right and left parietal bones. Connects parietal and frontal bone

Occipitomastoid suture squamosal suture lambdoib suture sagittal suture coronal suture

Which bone or pair of bones forms the most superior portion of the cranium?

Parietal

Which bone normally moves in relation to the others?

The bone at D forms a joint with the temporal bone (temporomandibular joint) that allows the mouth to open, close, and move laterally.

Which of the following areas/bones would absorb the impact of walking when a foot first touches the ground during a normal stride?

The calcaneus is the heel bone. The calcaneus belongs to the tarsus of the foot and strikes the ground first during a normal walking stride.

How are the male and female pelvises different?

The female pelvis is modified for childbearing; it is wider, shallower, and lighter than the male pelvis. The male pelvis has thicker/heavier bones with more prominent bone markings, acetabula that are larger and closer together, and a narrower, heart-shaped pelvic inlet.

The superior portion of the sternum is called the

The manubrium

Most facial bones articulate with the __________.

The maxillary bones (maxillae) are considered the keystone bones of the facial skeleton. They form the central part of the facial skeleton, articulating with all facial bones except the mandible.

The medial epicondyle is located what end of the humerus

The medial epicondyle is located on the distal humerus on the side toward the body (in anatomical position).

The arch that runs front to back on the inside of the foot is the __________.

The medial longitudinal arch runs longitudinally along one side, the medial side, of the foot.

Which bone articulates with the mandible

The temporal bone bears a mandibular fossa that articulates with the condylar process of the mandible.

Which of the following bones is NOT part of the orbit?

The temporal bone is lateral and too far posterior to contribute to the orbit. remember *orbit=eyes

The vomer and ethmoid bones form part of the __________.

The vomer and ethmoid bones form the bony parts of the nasal septum. The vomer forms the inferior portion of the septum. The perpendicular plate of the ethmoid bone forms the superior portion of the septum.

What process is found on the mandible?

This process, located anterior to the condylar process across the mandibular notch, is the insertion for the temporalis muscle, which is important in moving the jaw and chewing.

Scoliosis is an ...

abnormal lateral curvature that occurs most often in the thoracic region of the vertebral column.

Which vertebra does NOT have a body?

atlas

The sphenoid bone is sometimes referred to as a "key stone" of the skull. This is due to the fact that ________.

the sphenoid is in the center of the skull and it articulates (joins) with all of the other bones of the skull (excluding the mandible)

T or F; The greater trochanter is separated from the lesser trochanter anteriorly by the intertrochanteric line and posteriorly by the intertrochanteric crest.

true

cheekbone

zygomatic