Chapter 7 A&P Worksheet/Quiz

capitulum

A typical rib articulates with the vertebral column at the area of the rib called the ________.

they bear little weight

All of the following are true of lumbar vertebrae except that _____.

fontanels

At birth, the cranial bones are connected by areas of fibrous connective tissues called ________.

the bones of the skull develop from a single ossification focus

Each of the following statements concerning the development of the skull is true, except that _____.

lateral masses

Each of the following structures is associated with the sphenoid bone except the _____.

some teeth

In a car accident, Tom suffers a fracture of the alveolar process of his maxillae. As a consequence of this injury he loses _____.

mucus

Irritants are flushed off the walls of the nasal cavities because of the presence of ________.

axial skull cranium ribs sternum manubrium xiphoid process vertebrae

It is simple to recognize the bones of the _______ division of the skeleton along the longitudinal axis of the body. The most superior part, the _______, consists of the _______, the face, and associated bones (auditory ossicles and hyoid). Just below the neck, and looking anteriorly at the skeleton, there are twelve pairs of _______ and the _______, a broad-surfaced bone with three individual articulated parts. Its three parts include the superiorly located _______, the body, and the _______ located at the inferior end. Turning the skeleton around for a posterior view, the twenty-six (counting the sacrum and coccyx as one each) artfully, articulated _______ are exposed.

25

Ossification of the sternum is not complete until at least age _____.

costal

The (hyaline) cartilaginous extensions that connect the ribs to the sternum are the ________ cartilages.

cervical thoracic lumbar sacrum true false floating

The 26 vertebrae are categorized into regions according to their location. The first seven make up the _______ region; the next twelve are the _______ region; the five that follow, the _______; and the last two fused areas are the _______ and the coccyx. The group of twelve vertebrae has twelve pairs of corresponding ribs. Rib pairs one through seven are _______ or vertebrosternal ribs, and eight through twelve are _______ ribs. Additionally the last two pairs do not articulate with any cartilage anteriorly and are accordingly referred to as _______ or vertebral ribs while ribs eight to ten are more precisely known as vertebrochondral ribs.

paranasal

The airspaces of the frontal, maxillary, ethmoid, and sphenoid bones that are connected to the nasal cavities are the ________ sinuses.

soft spot

The anterior fontanel that is often easily seen by new parents is referred to as the ________.

muscles

The bones of the skeleton provide an extensive surface area for the attachment of ________.

temporal

The external auditory meatus, and mastoid and styloid processes are found in the ________ bone.

floating

The last two pairs of ribs that do not articulate with the sternum are called ________ ribs.

demifacet

The medium, heart-shaped, flat face that serves as a facet for rib articulation on the thoracic vertebrae is called the ________.

fontanels

The membranous areas between the cranial bones of the fetal skull are _____.

foramen magnum

The opening that connects the cranial cavity with the vertebral canal is the ________.

inferior concha

The paired scroll-like bones on each side of the nasal septum are the ________.

zygomatic

The paranasal sinuses are located in all of the following bones except the _____.

sagittal

The parietal bones articulate at the ________ suture.

axial

The part of the skeletal system that forms the long axis of the body is the ________ division

cranium

The part of the skull that provides protection for the brain is the ________.

5

The sacrum is composed of ________ fused vertebrae.

zygomatic lacrimal nasal mandible occipital sphenoid parietal sutures sagittal lambdoidal malleus stapes hyoid

The six paired facial bones of the skull are the _______, maxilla, _______, palatine, _______, and the inferior nasal concha. The _______ and the vomer comprise the unpaired bones of the face. The cranial part of the skull includes four unpaired bones, the _______, frontal, _______, and the ethmoid. The paired bones of the cranium are the _______ and the temporal. You may also find Wormian bones, which appear in _______ of the skull. These immovable joints have names such as _______, coronal, _______, and squamosal. The associated skull bones include the six paired auditory ossicles, the _______, incus, and _______, and the _______, the only bone in the body that does not articulate with another bone.

xiphoid process

The smallest part of the sternum that serves as an area of attachment for the muscular diaphragm and rectus abdominis muscles and that should be avoided during CPR is the ________.

compensation

The spinal curves that assist in allowing a child to walk and run are called ________ curves.

promontory

The sternum contains all of the following, except _____.

lumbar

The thickest intervertebral discs are found in the ________ region.

seventh cervical

The vertebra prominens is another name for the ________ vertebra.

cervical

The vertebrae that stabilize the relative positions of the brain and spinal cord are the _______ vertebrae

pectoral girdle

Which of the following is not a part of the axial division of the skeletal system?

xiphoid process

While performing cardiopulmonary resuscitation (CPR) on an unconscious person, you are careful to position your hands correctly to avoid damage to the _____.

mandible

You witness two of your friends in a fight. Your friend Gregg is hit in the lower jaw and when looking at him, his face looks misaligned. You immediately take him to the local emergency room and are not surprised to learn that he has a broken _____.