The Skeleton

2

A pollex has ______ phalanges.

before age 5

Developmentally, the most significant growth in the skull occurs

2

How many pairs of ribs are "floating ribs" that do not articulate with the sternum?

lateral

In anatomic position, the radius lies _____ to the ulna.

attachments for ligaments or tendons

Rami, trochanters, tubercles, and tuberosities are bone markings that serve as

radius and ulna

The bones of the antebrachium are the

glenoid cavity

The head of the humerus articulates with the

mandible and the larynx

The hyoid bone is located between the

fontanelles

The membranous sheets that connect developing cranial bones are called

atlas

The occipital condyles articulate with the

clavicle; sternum

The only direct connection between the pectoral girdle and the axial skeleton is where the _____ articulates with the _____.

three small bones within each ear

The ossicles are

head

The part of a rib that articulates with the demifacets on the bodies of vertebrae is the

acetabulum

At what location do the three bones of the os coxae fuse?

alveolus

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

occipital; temporal

The jugular foramen is located between the _____ and _____ bones.

medial and lateral condyles of the femur

The medial and lateral condyles of the tibia articulate with the

the spinal cord

The vertebral column protects

iliac crests

What are you resting your hands on when you rest them on your hips, just below the waist?

scapula and sternum

What bone(s) does the clavicle articulate with?

Cervical - thoracic - lumbar - sacral - coccygeal

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

10

How many pairs of ribs articulate (directly or indirectly) with the sternum?

a and c

Of the following list, which describe the functions of the paranasal sinuses? a: Warm and moisten inhaled air b: Strengthen the bone c: Provide resonance to the voice

lambdoid

The _______ suture is the articulation between the occipital bone and both parietal bones.

condylar

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

intervertebral foramina

The _________ provide passageways for spinal nerves to exit the vertebral column and travel to other parts of the body.

styloid processes

The bony projections that can be palpated medially and laterally at the wrist are the

secondary; anteriorly

The cervical and lumbar curvatures are ________ curves, and they arch ________.

clavicular

The clavicles articulate with the sternum at the _____ notches.

lateral malleolus

The expanded distal end of the fibula is called the

sella turcica

The portion of the sphenoid bone that houses the pituitary gland is the

sphenoid

The pterygoid spines and optic canals are features of the _____ bone.

left and right parietal bones

The sagittal suture joins the

8, 14

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

secondary

The spinal curvature that develops as a child learns to walk shifts the trunk weight over the legs. It is an example of a ________ curve.

7, 12, 5

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

temporal

The zygomatic process of the temporal bone and the _________ process of the zygomatic bone form the zygomatic arch.

vertebral foramen

This figure shows a superior view of a vertebra. What feature is indicated by number 4?

1

This figure shows a superior view of a vertebra. Which number indicates the spinous process?

navicular

This figure shows the bones of the ankle and foot. The bone indicated by number 4 is the

8

This figure shows the bones of the ankle and foot. Which number indicates the cuboid bone?

olecranon of the ulna

This figure shows the humerus. The _________ articulates with the depression indicated by number 8.

surgical neck

This figure shows the humerus. What is the feature indicated by number 3?

trochlea

This figure shows the humerus. What is the feature indicated by number 6?

7

This figure shows the humerus. Which number indicates the medial epicondyle?

9

This figure shows the os coxa. Which number indicates the anterior inferior iliac spine?

The figure shows a right bone, and number 3 indicates the greater sciatic notch.

This figure shows the os coxa. Which of these statements about the figure is correct?

lateral

This figure shows the scapula. The feature indicated by number 6 is the _____ border.

infraspinous fossa

This figure shows the scapula. What is the feature indicated by number 9?

4

This figure shows the scapula. Which number indicates the acromion?

5

This figure shows the thoracic cage. Which number indicates the xiphoid process?

cervical

Transverse foramina are found in _____ vertebrae.

nucleus pulposes

What is the inner, gelatinous region of each intervertebral disc called?

medial malleolus

What is the name of the prominence on the medial surface of the ankle?

manubrium

What is the superior portion of the sternum called?

maxilla

Which bone bears the infraorbital foramen?

temporal

Which bone bears the mandibular fossa?

7 lumbar vertebrae

Which bone count is not correct for a normal adult human?

temporal

Which bone is not a facial bone?

mandible

Which bone is not paired?

clavicle

Which bone is not part of the axial skeleton?

temporal

Which bone is not part of the nasal complex?

vomer

Which bone is unpaired?

Os coxae, tibia, patella

Which bones articulate with the femur?

scapula, radius, and ulna

Which bones articulate with the humerus?

frontal, temporal, and maxilla

Which bones articulate with the zygomatic bone?

occipital, parietals, and frontal

Which bones form the calvaria?

thoracic and sacral

Which curves of the vertebral column are present at birth?

dens

Which feature is unique to the axis?

anterior

Which fontanel is the last to close?

patella

Which is a sesamoid bone?

capitulum

Which is not a carpal bone?

parietal bone - mental foramen

Which is not a correct pairing of bone and feature?

vomer

Which is not a cranial bone?

ulnar notch

Which is not a feature of the ulna?

only the tibia is weight-bearing

Which of the following choices accurately describes the crural bones?

lumbar

Which of the spinal curves forms when a child is about 12 months of age?

mastoid sinus

Which of these is not a paranasal sinus?

Twelve thoracic vertebrae articulate with the ribs.

Which statement accurately describes the articulations between ribs and vertebrae?