Pre Lab 4 Notes

helps form a joint

A condyle differs from an epicondyle in that the condyle ________.

is found only in the fetal skull is a fibrous membrane allows for compression of the skull during birth

A fontanelle __________.

patella

An example of a sesamoid bone is the ________.

collagen fibers in the matrix

Bones are somewhat flexible due to ________.

articulations

Bones of the skeleton are connected at junctions called ________.

cranium

Eight bones make up the __________ , which encloses and protects the brain.

fibrous membranes in a fetal skull

Fontanels are ________.

5

How many pairs of ribs are considered false ribs?

7

How many pairs of ribs articulate directly with the sternum?

24

How many ribs make up the rib cage?

transverse process

Identify a lateral projection of a vertebra.

Zygomatic bone and temporal bone

Identify the 2 bones that make up the zygomatic arch.

A projection on the mandible

Identify the best description of the mandibular condyle.

A shallow depression

Identify the best description of the mandibular fossa.

Parietal Bone

Identify the bone that articulates superiorly with the temporal bone.

Sacrum

Identify the bony posterior wall of the pelvis.

body

Identify the central portion of the sternum.

Cheek

Identify the general location of the zygomatic arch

External auditory meatus

Identify the hole that marks the opening of the ear canal on the superficial surface of the skull.

styliod process

Identify the landmark on the temporal bone that is a pointy spine.

Posterior surface and base of the cranium

Identify the location of the occipital bone.

body

Identify the major weight bearing part of a vertebra.

5

Name the number of vertebrae that fuse together to form the sacrum.

Foramen magnum

Name the opening in the occipital bone through which the spinal cord passes.

hyaline cartilage

Name the type of connective tissue that anchors the ribs onto the sternum.

Spinous process

Name the vertebral projection found in a median plane.

body

The __________ of a typical vertebra forms the rounded, central portion that faces anteriorly in the human vertebral column.

axial

The __________ skeleton consists of bones that surround the body's center of gravity.

Sternum

The __________, commonly referred to as the breastbone, is a flat bone formed by the fusion of three bones: the manubrium, the body, and the xiphoid process.

Central (Haversian) Canal

The center of the osteon is called the ________.

Periosteum

The diaphysis of a long bone is covered by ________.

long

The femur is an example of a(n) __________ bone.

False

The first seven pairs of ribs are called floating ribs because they have only indirect cartilage attachments to the sternum.

Sagittal

The midline suture marking the articulation of the two parietal bones is called the ________ suture.

Diaphysis

The shaft of a long bone is known as the __________.

bone and cartilage

The skeleton is constructed of two types of tissue, ________.

oste

The word root ______ means bone.

peri-

The word root _______ means around or enclosing.

hema

The word root _______ means blood.

-clast

The word root ________ means one that breaks or destroys.

-blast

The word root _________ means embryonic or formative cell.

Frontal

This single bone of the skull underlies the area we commonly call the forehead.

elastic

This type of cartilage supports the external ear and keeps it firm but flexible.

False

True or False. Cartilage has a covering made of dense connective tissue called a periosteum.

red bone marrow

What fills the medullary cavity of the tibia of a three-year-old?

xiphoid process

What part of the sternum is palpated prior to giving CPR?

Inferior surface of the zygomatic process

Where is the mandibular fossa located?

Lacrimal Bone

Which bone is NOT considered to be part of the cranium? A. Lacrimal bone B. Sphenoid bone C. Ethmoid bone D. Occipital bone

sphenoid

Which cranial bone spans the width of the cranial floor?

fibrocartilage; meniscus of the knee

Which of the cartilage types below is matched correctly to it body location?

Clavicle

Which of the following bone belongs to the appendicular skeleton?

head

Which of the following bone markings helps form joints?

sternum

Which of the following bones belongs to the axial skeleton?

Medial

Which surface of the maxillary bones fuse together? A.Superior B. Lateral C. Inferior D. Medial

Crista galli, ethmoid

________ a superior projection on the ________ bone, attaches to the dura mater and secures the brain within the skull.

Osteons

________ are the telescoping tubes of matrix (concentric lamellae) with their central canals that form a large part of compact bone.

compact bone

__________ bone looks smooth and homogeneous.

Spongy Bone

distal end of long bone, red bone marrow, proximal end of long bone, trabecular, and endosteum

Compact Bone

perforating fibers, lamellae, osteon, periosteum, diaphysis

Inferior articular processes

Individual vertebrae articulate with each other forming the vertebral column. Identify the part of a vertebra that articulates immediately with the vertebra below it.

intervertebral discs

Which of the following structures would not be found within a vertebral foramen? A.Dura mater B. Spinal nerve roots C. Spinal cord D. Intervertebral discs

head

Identify the part of a rib that articulates in the demi-facets of the thoracic vertebra.

Tubercle

Identify the region of a rib that articulates with the transverse process of a vertebra.

Ilium

Identify the region of the coxal bone that articulates with the sacrum.

Mandibular condyle

Identify the region of the mandible that forms part of the temporomandibular joint.

mandibular fossa

Identify the region of the temporal bone that articulates with the lower jaw.

Mandibular fossa

Identify the region of the temporal bone that articulates with the mandible.

zygomatic process

Identify the region of the temporal bone that forms part of the zygomatic arch.

zygomatic process

Identify the region on the temporal bone that forms much of the zygomatic arch.

temporal process

Identify the region on the zygomatic bone that forms part of the zygomatic arch.

Manubrium

Identify the shield shaped top of the sternum.

sagittal suture

Identify the suture found between the 2 parietal bones.

Coccyx

Identify the tailbone.

Nasal

Which of the following bones do not contain a sinus? A.Nasal B. Maxillary C. Frontal D. Sphenoid

ethmoid

Which of the following bones is not a facial bone? A. Ethmoid B. Zygomatic C. Inferior nasal concha D. Maxillary

Frontal

Which of the following bones is unpaired? A. Parietal B. Temporal C. Frontal D. Zygomatic

facial

Which of the following categories is the best fit for the zygomatic arch? A.Appendicular B. Vertebral C. Cranial D. Facial

3-5

Identify the typical number of vertebrae that fuse during development to form the coccyx.