Human Anatomy McGraw-Hill Ch 7

Which statements describe the false ribs?

They indirectly articulate with the sternum through shared costal cartilages. They articulate with the thoracic vertebrae.

Which facial bone helps to form the cheek and lateral part of the orbit?

Zygomatic bone

The anterior, weight bearing part of each vertebra is known as the ______.

body

The medial portion of the sphenoid bone is called the ______.

body

The most inferior portion of the vertebral column is the ______.

coccyx

True or false: The first cervical vertebra and occipital bone articulate with each other at the external occipital protuberance.

false

The bump you feel posterior to your ear lobe on your lateral skull corresponds to which structure of the temporal bone?

mastoid process

The prominent bulge on the inferior surface of the temporal bone that acts as an anchor for neck muscles is called the ______.

mastoid process

The superior lateral walls and roof of the cranium are formed by the ______.

parietal bones

Which of the following regions of the skull is formed by the parietal bones?

roof of the cranium

The paranasal ______ help to lighten the weight of certain skull bones and provides resonance to the voice.

sinuses

Which bone consists of petrous, squamous, and tympanic parts?

temporal

The inferior lateral walls and part of the floor of the cranium are formed by the ______.

temporal bones

The orbital part of the frontal bone forms ______.

roof of orbit

Which areas of the skull are formed by the temporal bones?

Floor of the cranium Inferior lateral walls

Which bone associated with the skull is an attachment site for tongue and larynx muscles?

Hyoid

Which opening in the petrous part of the temporal bone acts as a passageway for nerves and blood vessels supplying the inner ear?

Internal acoustic meatus

Which parts of the skull are formed by the zygomatic bones?

Lateral wall of orbit Cheek

Which areas of the skull are formed in part by the frontal bone?

Orbits Calvaria Forehead

Which of the following structures are enclosed by the bones and cartilage of the nasal complex?

Paranasal Sinuses Nasal Cavity

A groove for the sigmoid sinus is in which part of a temporal bone?

Petrous

Which part of the temporal bone houses the sensory structures of the inner ear?

Petrous part

Which are functions of cranial bones?

Provide attachment sites for several jaw, head and neck muscles Surround and protect the brain

Which of the following are functions of the vertebral column?

Provides vertical support for the body Helps to transfer axial skeletal weight to the lower limbs Houses and protects the spinal cord

Which part of the orbit is formed by the orbital part of the frontal bone and lesser wing of the sphenoid bone?

Roof of the orbit

Identify the auditory ossicles housed within the petrous part of the temporal bone.

Stapes Malleus Incus

Which statement is correct? A) The thoracic region of the vertebral column contains 5 vertebrae. B) The lumbar region of the vertebral column contains 12 vertebrae. C) The coccygeal region of the vertebral column contains 7 vertebrae. D) The sacral region of the vertebral column contains 9 vertebrae. E) The cervical region of the vertebral column contains 7 vertebrae.

The cervical region of the vertebral column contains 7 vertebrae.

Which are the primary curves present in the vertebral column of a newborn?

Thoracic curvature Sacral curvature

Which are functions of the paranasal sinuses?

To lighten the weight of skull bones To provide resonance to the voice To humidify and warm inhaled air

The vertebral canal contains the spinal _______ , while the intervertebral foramina allow for passage of the spinal nerves.

cord

The _________ fossae along the floor of the cranial cavity contain depressions for parts of the brain, grooves for blood vessels, and numerous foramina.

cranial

Sutures are immovable joints forming the boundaries between the ______.

cranial bones

The three curved depressions in the floor of the cranial cavity are called the ______.

cranial fossae

The last two pairs of false ribs lack connections with the sternum, so they are classified as ______.

floating ribs

The anterior part of the calvaria, the forehead, and the roof of the orbits receive contributions from the ______.

frontal bone

When you put your hand on your forehead, you are feeling which bone?

frontal bone

The bones and cartilage that enclose the nasal cavity and paranasal sinuses are called the ______.

nasal complex

When you move your occipital condyles against your vertebrae, you are ______.

nodding "yes"

Which feature of the occipital bone articulates with the first cervical vertebra?

occipital condyles

The roof of the orbit is formed by the ______.

orbital plate of the frontal bone lesser wing of the sphenoid bone

The ear ossicles are found in the ______.

petrous parts of temporal bones

The ______ curves are the thoracic and sacral curves

primary

The thoracic and sacral curvatures of the vertebral column, which develop to accommodate the thoracic and abdominopelvic viscera, are classified as ______.

primary curves

The thoracic cage consists of the ______.

ribs sternum thoracic vertebrae

Which component of the thoracic cage consists of a manubrium, body, and xiphoid process?

sternum

The brow ridges are known at the _____.

superciliary arches

Which is a function of the cranial bones?

surround and protect the brain

A Blank 1 of 1 is an immovable joint forming the boundary between cranial bones.

suture

Which part of the axial skeleton acts as a protective framework around the vital organs of the thorax and provides attachment points for the muscles supporting the pectoral girdles?

thoracic cage

Supporting the weight of the head is a function of the adult ______.

vertebral column