BSC2085L Lab 5 Exercises 7 & 8

A young adult has how many bones, on average?

206 bones

The ribs are part of which skeletal division?

axial

The hyoid bone belongs to the

axial skeleton

Identify the functions of the following bone cells: Osteoblasts Osteoclasts

bone-forming cells that are actively producing bone matrix bone-dissolving cells that dissolve bone matrix

What is the common name for zygomatic bone?

cheek bone

Match the terms in Column A with the definitions in Column B. Place the letter of your choice in the space provided. (Some answers are used more than once.) Ethmoid bone Frontal bone Occipital bone Parietal bone Sphenoid bone Temporal bone

cribriform plate, crista galli, middle nasal concha supraorbital foramen foramen magnum, occipital condyle forms sagittal, coronal, sqauamous, and lambdoid surtures sella turcica external acoustic meatus, mandibular fossa, mastoid process, styloid process

The ends of the long bone are known as the

epiphysis

The eyebrows are directly superficial to what bone?

frontal bone

List the seven bones that make up the orbit of the eye (eye socket).

frontal, maxilla, zygomatic, lacrimal, sphenoid, ethmoid, and palatine

What are names of the major paranasal sinuses?

frontal, sphenoid, ethmoid, and maxillary bones

The inorganic portion of the bone tissue is made of what complex mineral salt (consisting of calcium phosphate)?

hydroxyapatite

The mandible fits into what part of the temporal bone to form the jaw joint?

mandibular fossa

What is the name of the bony process posterior to the earlobe?

mastoid process

The upper teeth are held by what bones?

maxilla

The hard palate is made up of what bones?

maxilla and palatine bones

In what bone would you find the foramen magnum?

occipital bone

The clavicle belongs to the

pectoral girdle

What are two bony structures that make up the nasal septum?

perpendicular plate of ethmoid bone and vomer

Match the terms in Column A with the definitions in Column B. Place the letter of your choice in the space provided. Place the letter of your choice in the space provided. (Some answers are used more than once.) Inferior nasal concha Lacrimal bone Mandible Maxilla Nasal bone Palatine bone Vomer bone Zygomatic bone

scroll-shaped bone scale like part in medial wall of orbit only movable bone in the facial skeleton, contains coronoid process, contains mental foramen contains sockets of upper teeth, forms anterior portion of mouth forms bridge of nose forms posterior roof of mouth forms inferior portion of nasal septum creates prominence of cheek inferior and lateral to the eye, forms anterior portion of zygomatric arch

Which bone does not occur in the orbit?

temporal

The external and internal acoustic meatuses are located in which bone?

temporal bone

The mastoid process is part of which bone?

temporal bone

What is the name of the bone that makes up most of the temple (the region superior and anterior to the ears)?

temporal bone

Name two bones of the forearm.

ulna and radius

Which bone is not a paired bone of the skull?

vomer

The sagittal suture seperates the _________________ from the ________________.

left parietal, right parietal

Match the terms in Column A with the definitions in Column B. Place the letter of your choice in the space provided. Fovea Head Meatus Sinus Spine Trochanter Tubercle

a small pit prominent expanded end of a bone opening into a canal an air-filled space in a bone a sharp, slender process massive processes unique to the femur

Match the terms in Column A with the definitions in Column B. Place the letter of your choice in the space provided. Condyle Crest Facet Foramen Fossa Line Ramus

rounded knob that articulates with another bone a narrow, elevated ridge of bone smooth flat articular surface hole through a bone shallow, broad, or elongated basin a slightly raised elongated ridge

The sella turcica is part of which bone?

sphenoid bone