Anatomy Exam 2

Which of these features is found in a lumbar vertebra?

All of these -pedicles -vertebral foramen -spinous process -vertebral arch

Before beginning orthodontic treatment, a patient may have her wrist and hand x-rayed to determine her stage of growth. What long bone feature will the orthodontist use to assess this?

Epiphyseal plate

Which is not a function of bone?

Hormone synthesis TRUE FUNCTIONS -protection -mineral storage -body movement -hemopoiesis

Each of the depressions on the maxillae and mandible that holds a tooth is called a(n)

alveolus

The _________ process of the mandible articulates with the temporal bone.

condylar

Which features are found only on thoracic vertebrae?

costal facets

The "soft spots" on an infant's head are caused by which of the following?

fontanelles

The inner, gelatinous region of each intervertebral disc is called the

nucleus pulposus.

An example of a flat bone would be the

parietal

An example of a flat bone would be the

parietal bone

Which of the following is NOT a bone of the upper limb?

scapula BONES OF UPPER LIMB -humerus -ulna -radius -carpal -phalanx

The bones of the wrist are classified as _____ bones.

short

Which bone is not part of the facial complex?

temporal

Which cranial bone houses the malleus, incus, and stapes?

temporal

T/F Cartilage serves as a model for bone growth.

true

T/F In anatomic position, the fibula is lateral to the tibia.

true

T/F The posterior "bump" of the elbow is the olecranon of the ulna.

true

Which is not a cranial bone?

vomer REAL CRANIAL BONES -frontal -occipital -temporal -parietal

Which is NOT a function of the vertebral column?

-Passageway for cranial nerves TRUE FUNCTIONS: -Supporting the weight of the head -Maintaining upright body position -Passageway for spinal nerves -Protecting the spinal cord

Which of the following is not a function of the vertebral column?

-Provide support for the muscles of the arm TRUE FUNCTIONS -Help transfer axial skeleton weight to the lower limbs -Provide vertical support for the body -Support the weight of the head

The steps in the process of endochondral ossification in chronological order are

1. Cartilage model develops 2. Ossification center forms in the diaphysis 3. Ossification centers form in the epiphyses 4. Bone continues to replace cartilage 5. Epiphyseal plates ossify

The vertebral column includes ___ cervical, ___ thoracic, and ___ lumbar vertebrae.

7,12,5

The skull consists of _____ cranial bones and _____ facial bones.

8,14

What is the correct order for the vertebral regions, from superior to inferior?

Cervical - thoracic - lumbar - sacral - coccygeal

Which features are found only on thoracic vertebrae?

Costal facets and demifacets

Which type of cartilage would be punctured if you chose to pierce the auricle of your ear?

Elastic cartilage

Which of these is not a sinus that drains into the nasal cavity?

Mastoid sinus THINGS THAT DRAIN INTO NASAL CAVITY -Maxillary sinus -Ethmoid sinus -Sphenoid sinus -Frontal sinus

Which of the following features is the most proximal feature of the ulna?

Olecranon

Patients with osteoporosis often suffer _________ fractures of the vertebral bodies due to loss of bone mass.

compression

Which feature is unique to the axis?

dens

Symphyses can be found in the

intervertebral joints.

spongy bone

is composed of bony struts called trabeculae.

Compact bone

is composed of tubular units called osteons.

In compact bone, osteons are formed by concentric rings of bone called ___________.

lamellae