CHAPTER 7 DSM & HW

Place the classes of vertebrae in order as they are situated in the vertebral column from superior to inferior. 1. cervical vertebrae 2. coccygeal vertebrae 3. lumbar vertebrae 4. sacral vertebrae 5. thoracic vertebrae

1, 5, 3, 4, 2

How many thoracic vertebrae are there in the vertebral column?

12

How many phalangeal bones are in each hand?

14

From proximal to distal, what bones form the upper limb? 1. carpals 2. humerus 3. metacarpals 4. phalanges 5. ulna and radius

2, 5, 1, 3, 4

How many lumbar vertebrae exist in the vertebral column?

5

What part of the scapula articulates with the clavicle?

Acromion

What is the main function of the bones of the appendicular skeleton?

Aid in motion

What is the name of the first cervical vertebra?

Atlas

Identify the articulation site that allows us to rotate our head, e.g. shaking the head "no".

Atlas - axis

What is the name of the second cervical vertebra?

Axis

Which of the following is an opening in a bone?

Canal (meatus)

What structure is present on the second cervical vertebra (C2 or axis) that allows you to rotate your neck to say "no"?

Dens (odontoid process)

Os coxa is a bone from the axial skeleton. T/F?

False

Which of the following bones is unpaired?

Frontal

What part of the scapula articulates with the humerus?

Glenoid cavity

What part of each metacarpal forms the "knuckle" of your hand?

Head

Which part of the coxal bone articulates with the sacrum?

Ilium

What three bones fuse during childhood to form the coxal bone?

Ilium, ischium, pubis

Which bone is NOT considered to be part of the cranium?

Lacrimal bone

Which bones house teeth?

Mandible and maxillary bones

Which prominent arch runs along the medial side of the foot from the calcaneus to metatarsals I-III?

Medial longitudinal arch

Which of the following bones do not contain a sinus?

Nasal

Identify the articulation site that allows us to nod our head "yes".

Occipital bone - atlas

Identify the region of the skull that articulates with the atlas.

Occipital condyles

Which pair of bones meets along the sagittal suture?

Parietal bones

Identify the suture found between the 2 parietal bones.

Sagittal suture

Which cranial bone spans the width of the cranial floor?

Sphenoid

Which region of the vertebral column is located superior to the thoracic region and which region is inferior to the thoracic region, respectively?

Superiorly: cervical and inferiorly: lumbar

Which of the following thoracic vertebrae is the largest?

T12

Geri has pain behind her ear lobe and was diagnosed with mastoiditis. Which bone is affected?

Temporal bone

Craniostenosis is the premature fusion of one or more skull sutures in an infant. Predict what problem may arise if the skull sutures prematurely ossify during infancy.

The bones of the skull may be deformed and brain development can be restricted when skull sutures prematurely close.

What bones meet at the lambdoid suture?

The occipital bone and parietal bones

What are the two primary curvatures seen in the vertebral column of a fetus?

Thoracic and sacral

Identify the articulation site for a tubercle of a rib.

Transverse costal facet

Zygomatic bone is not a cranial bone. T/F?

True

What bones form the forearm (ante brachium)?

Ulna and radius

What part of scapula articulates with the clavicle?

acromion

Occipital condyles found on both sides of foramen magnum sit on top of the atlas, forming the

atlanto-occipital joint

The occipital condyles allow the skull to articulate with the

atlas

The weight-bearing structure of a vertebra is the

body

Wrist bones are known as

carpals

The rounded end of a bone that is used for articulation is called a __________.

condyle

Identify the articulation site for the head of a rib.

demi-facet

The roof of the nasal cavity and the superior portion of the nasal septum are formed by the __________.

ethmoid bone

The largest and strongest bone in the body is the __________.

femur

membranous areas, or "soft spots," seen in the skull of an infant are called

fontanels

The palatine bone contributes to the structure of the

hard plate

C1 can pivot around C2, allowing us to rotate our

head/shake head "no"

In anatomical position, the ulna is ____ to the radius.

medial

What part of the femur articulates with the tibia to form the knee joint?

medial condyle and lateral condyle

The soft, jelly-like substance inside intervertebral disks is called ________.

nucleus pulposus

The large hole in the coxal bone is the:

obturator foramen.

The thumb is the ___ while the great toe is the ___.

pollex; hallux

Which bone marking provides a site where bones articulate or to which ligaments and tendons attach?

projection

What part of the radius articulates with the humerus?

radial head

The distal end of the fibula articulates with the __________.

talus

Which tarsal bones of the foot are proximally situated?

talus, calcaneus, navicular

The number of thoracic vertebrae region of the spine articulates with what?

the ribs

The condyles of the fetus allow it to articulate with the

tibia

To what part of the tibia does the patellar ligament attach?

tibial tuberosity