Chapter 8

The skull consists of _____ cranial bones and _____ facial bones

8, 14

Protection of vital organs and hematopoiesis are two functions commonly named for the __________ skeleton

Axial

Which bone is not part of the axial skeleton?

Clavicle

Which is not a cranial bone?

Vomer

Which bone is not paired?

Mandible

Which of these skull bones cannot be easily palpated?

Ethmoid

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

Lambdoid

Which of these bones does not contribute to the region known as the pterion?

Occipital

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

Temporal

Which bones form the calvaria?

Occipital, parietals, and frontal

Which cranial fossa supports the cerebellum?

Posterior

The basin in the floor of the cranium that accommodates the temporal lobe of the brain is the

Middle cranial fossa.

The sagittal suture joins the

Left and right parietal bones.

Which bone is not part of the nasal complex?

Temporal

Which bone bears the superior and inferior temporal lines?

Parietal

What is the function of the nuchal lines?

Attachment for muscles and ligaments

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

Sella turcica.

Which is not a feature of the ethmoid bone?

Inferior nasal concha

Which bone bears the infraorbital foramen?

Maxilla

Which is not a correct pairing of bone and feature?

Parietal bone - mental foramen

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

Occipital; temporal

What is the function of the cribriform plate?

Permits passage of the olfactory nerves

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

Sphenoid

Which bone is not a facial bone?

Temporal

Which bone is unpaired?

Vomer

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

Condylar

Which bones articulate with the zygomatic bone?

Frontal, temporal, and maxilla

A perpendicular plate is a feature of the _____ and _____ bones.

Palatine; ethmoid

Which bone bears the mandibular fossa?

Temporal

The incisive foramen and palatine process are features of which bone?

Maxilla

Which of these is not a paranasal sinus?

Mastoid sinus

Which bones form the inferior margin of the orbit?

Maxilla and zygomatic

Which bone bears the greater and lesser cornua?

Hyoid

What is the location of the auditory ossicles?

Petrous part of temporal bone

Which is characteristic of a female skull, as compared to a male skull?

All of the choices are characteristic of a female skull.

Developmentally, the most significant growth in the skull occurs

Before age 5.

The membranous sheets that connect developing cranial bones are called

Fontanelles.

Of the following list, which describe the functions of the paranasal sinuses?

a and c

The ossicles are

Three small bones within each ear.

The hyoid bone is located between the

Mandible and the larynx.

A skull with five gracile features and one robust feature is most likely a _______ skull.

Female

Which fontanel is the last to close?

Anterior

Which is not a function of the vertebral column?

Passageway for cranial nerves

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

Cervical - thoracic - lumbar - sacral - coccygeal

The vertebral column protects

The spinal cord

Which statement accurately describes the articulations between ribs and vertebrae?

Twelve thoracic vertebrae articulate with the ribs.

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

7, 12, 5

Which curves of the vertebral column are present at birth?

Thoracic and sacral

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

Lumbar

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

Intervertebral foramina

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

Nucleus pulposus

Transverse foramina are found in _____ vertebrae.

Cervical

The vertebral processes that are most easily palpated along the midline of the back are the _____ processes.

Spinous

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

Secondary; anteriorly

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.

Secondary

The occipital condyles articulate with the

Atlas

Which cervical vertebra is also known as the vertebra prominens?

C7

Which of these features is found in a lumbar vertebra?

All of the choices are correct.

Which features are found only on thoracic vertebrae?

Costal facets and demifacets

Which feature is unique to the axis?

Dens

The inferior termination of the sacral canal is an opening called the

Sacral hiatus.

Each auricular surface of the sacrum is located on a(n)

Ala

The clavicles articulate with the sternum at the _____ notches.

Clavicular

What is the superior portion of the sternum called?

Manubrium

The sternal angle can be used as an anatomical landmark to identify the position of the

Second rib.

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

10

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

2

Rib 1 articulates with vertebra ______ and the ______.

T1; manubrium of the sternum

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

7 lumbar vertebrae

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

Head

Which bone does not belong to the appendicular skeleton?

Sacrum

Which statement accurately compares the hand and the foot?

The hand and the foot each have 14 phalanges.

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

Clavicle; sternum

Which bones comprise each pectoral girdle?

Scapula and clavicle

What bone(s) does the clavicle articulate with?

Scapula and sternum

The ___________ of the scapula is the point where the medial and lateral borders meet.

Inferior angle

The costal tuberosity is a feature of the

Clavicle.

The bones of the antebrachium are the

Radius and ulna.

Which bones articulate with the humerus?

Scapula, radius, and ulna

The head of the humerus articulates with the

Glenoid cavity.

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

Styloid processes.

In anatomic position, the radius lies _____ to the ulna

Lateral

Which is not a feature of the ulna?

Ulnar notch

The biceps brachii muscle attaches to the _________ of the radius.

Radial tuberosity

Which is not among the bones in the proximal row of carpals?

Trapezoid

A pollex has ______ phalanges.

2

Which is not a carpal bone?

Capitulum

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

Acetabulum

Which is not correct regarding the pelvis?

In anatomic position, the pubis is posterior and inferior to
the ischium.

On the os coxae, the ischial ramus is fused to the

Inferior pubic ramus.

The ___________ subdivides the pelvis into the "true pelvis" and the "false pelvis"

Pelvic brim

Which does not contribute to the pelvic brim?

Gluteal line

Which is not characteristic of a male pelvis?

Coccyx tilted posteriorly

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

Iliac crests

As an adult ages, the symphysial surface of the pubis

Becomes more flattened, and a bony rim forms at its circumference

Which is not a site for muscle attachment on the femur?

Lateral condyle

Which is not correct regarding the femur?

The intercondylar fossa is located on the anterior surface of the bone.

Which is a sesamoid bone?

Patella

Which bones articulate with the femur?

Os coxae, tibia, patella

Which is not correct regarding the patella?

The broad superior portion of the patella is called the apex.