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Bones Lab Exam
| Question | Answer |
|---|---|
| The two divisions of the skeleton are the ___ and ___skeletons | axial, appendicular |
| The extra bones that sometimes develop between the flat bones of the skull are called | sutural |
| The cranium and facial bones compose the | skull |
| The ___ bone supports the tongue | hyoid |
| The ___ at the inferior end of the sacrum is composed of four fused vertebrae | coccyx |
| Most ribs are attached anteriorly to the ___ | sternum |
| The thoracic cage is composed of ___ pairs of ribs | 12 |
| The scapulae and clavicles together form the ____ girdle | pectoral girdles |
| The humerus, radius, and ____ articulate to form the elbow joint | ulna |
| The wrist is composed of eight bones called | carpals |
| The hip bones are attached posteriorly to the | sacrum |
| The ____ covers the anterior surface of the knee | patella |
| The bones that articulate with the distal ends of the tibia and fibula are called | tarsals |
| All finger and toe bones are called | phalanges |
| small, nearly flat articular surface | facet |
| shallow basin | fossa |
| rounded process | condyle |
| opening or hole | foramen |
| knoblike rough elevation | tubercle |
| ridgelike projection | spine |
| slightly raised edge | line |
| tubelike passageway | meatus |
| tiny pit or depression | fovea |
| small, knoblike process | tubercle |
| thornlike projection | spine |
| rounded enlargement at end of bone | head |
| air-filled cavity within bone | sinus |
| relatively large process | trochanter |
| name the six cranial bones that are visible on the lateral view of a skull | parietal, occipital, temporal, frontal, zygomatic, sphenoid |
| The ___ suture joins the frontal bone to the parietal bones | coronal |
| The parietal bones are firmly interlocked along the midline by the ___suture | sagittal |
| The ___ suture joins the parietal bones to the occipital bone | lambdoid |
| The temporal bones are joined to the parietal bones along the ___ sutures | squamous |
| Name the three cranial bones that contain sinuses | frontal, sphenoid, and ethmoid |
| Name a facial bone that contains a sinus | maxilla |
| forms sagittal, coronal, squamous, and lambdoid sutures | parietal bone |
| cribriform plate | ethmoid bone |
| crista galli | ethmoid bone |
| external acoustic meatus | temporal bone |
| foramen magnum | occipital bone |
| mandibular fossa | temporal bone |
| mastoid process | temporal bone |
| middle nasal concha | ethmoid bone |
| occipital condyle | occipital bone |
| sella turcica | sphenoid bone |
| styloid process | temporal bone |
| supraorbital foramen | frontal bone |
| forms bridge of nose | nasal bone |
| only movable bone in facial skeleton | mandible |
| contains coronoid process | mandible |
| creates prominence of cheek inferior and lateral to the eye | zygomatic bone |
| contains sockets of upper teeth | maxilla |
| forms inferior portion of nasal septum | vomer bone |
| forms anterior portion of zygomatic arch | zygomatic bone |
| scroll-shaped bone | inferior nasal concha |
| forms anterior roof of mouth | maxilla |
| contains mental foramen | mandible |
| forms posterior roof of mouth | palatine bone |
| small medial bone of each orbit | lacrimal bone |
| the vertebral column encloses and protects the | spinal cord |
| the number of seperate bones in the vertebral column of an adult is | 26 |
| the ____ of the vertebrae support the weight of the head and trunk | vertebral column |
| the intervertebral foramina of cervical vertebrae serve as passageways for ___ | spinal nerves |
| transverse foramina of cervical vertebrae serve as passageways for | vertebral arteries leading to brain |
| the first vertebrae is also called the | atlas |
| the second vertebrae is also called the | axis |
| when the head is moved from side to side, the first vertebrae pivots around the ___ of the second vertebrae | dens |
| the ___ vertebrae have the largest and strongest bodies | lumbar |
| the typical number of vertebrae that fuse in the adult to form the sacrum is | 5 |
| the upper, anterior margin of the sacrum that projects forward is called the | sacroiliac |
| an opening called the ___ exists at the tip of the sacral canal | sacral promontory |
| the last two pairs of ribs that have no cartilaginous attachments to the sternum are sometimes called | floating ribs |
| there are ___ pairs of true ribs | 7 |
| castal cartilages are composed of ___ tissue | hyaline |
| the manubrium articulates with the ___ on its superior border | clavicles |
| three functions of thoracic cage | protects heart lungs abdominal , suppoorts bones of pectoral girdle, visceral organs |
| the pectoral girdle is an incomplete ring because it is open in the back between the ___ | scapula |
| the medial end of a clavicle articulates with the ___ of the sternum | manubrium |
| the lateral end of a clavicle articulates with the ___ process of the scapula | acromian process |
| the ___ is a bone that serves as a brace between the sternum and the scapula | clavicle |
| the ___ divides the posterior side of the scapula into unequal portions | spine |
| the lateral tip of the shoulder is the ___ process of the scapula | acromian |
| near the lateral end of the scapula, the ___ process curves anteriorly and inferiorly from the clavicle | coracoid |
| the glenoid cavity of the scapula articulates with the ___ of the humerus | head |
| capitate | carpals |
| coronoid fossa | humerus |
| deltoid tuberosity | humerus |
| greater tubercle | humerus |
| five palmar bones | metacarpals |
| fourteen bones in digits | phalanges |
| intertubercular sulcus | humerus |
| lunate | carpals |
| olecranon fossa | humerus |
| radial tuberosity | radius |
| trapezium | carpals |
| trochlear notch | ulna |
| the pelvic girdle consists of two | coxae |
| the head of the femur articulates with the ___ of the hip bone | acetabulum |
| the ___ is the largest portion of the hip bone | ilium |
| the distance between the __ represents the shortest diameter of the pelvic outlet | ischial spines |
| the pubic bones come together anteriorly to form a cartilaginous joint called the | pubic synthesis |
| the ___ is the portion of the ilium that causes the prominence of the hip | iliac crest |
| when a person sits, the ___ of the ischium supports the weight of the body | tuberosity |
| the angle formed by the pubic bones below the pubic synthesis is called the | pubic arch |
| the ___ is the largest foramen in the skeleton | obturator foramen |
| the ilium joins the sacrum at the ___ joint | sacroiliac |
| middle phalanx | phalanges |
| lesser trochanter | femur |
| medial melleolus | tibia |
| fovea capitis | femur |
| calcaneus | tarsals |
| lateral cuneiform | tarsals |
| tibial tuberosity | tibia |
| talus | tarsals |
| linea aspera | femur |
| lateral melleolus | fibula |
| sesamoid bone | patella |
| five bones that form the instep | metetarsals |