Homework 1

Which of the following fracture types is characterized by the bone protruding through skin? Complete Incomplete Closed Open Displaced

open

Which of the following are bone-forming cells? Osteogenic (osteoprogenitor) cells Osteoblasts Osteoclasts Osteocytes Osteons

osteoblasts

When __________ become enclosed in lacunae, they become cells called __________. osteogenic cells; osteoblasts osteoblasts; osteoclasts osteoblasts; osteocytes osteocytes; osteoclasts osteocytes; osteoblasts

osteoblasts; osteocytes

Which of the following are not facial bones? Parietal bones Maxillae Lacrimal bones Nasal bones Palatine bones

parietal bones

Which of the following is not a group of vertebrae? Thoracic Cervical Lumbar Pelvic Sacral

pelvic

The head of an infant passes through the __________ during birth. obturator foramen pelvic inlet pubic symphysis acetabulum auricular surface

pelvic inlet

A bone is covered externally with a sheath called __________, whereas the internal surface is lined with __________. epiphysis; diaphysis diaphysis; epiphysis compact bone; spongy bone periosteum; endosteum endosteum; periosteum

periosteum; endosteum

The acromion is a bone marking found on the __________. clavicle scapula ulna scaphoid pollex

scapula

Which of the following bones is not found in the axial skeleton? Frontal bone Mandible Scapula Thoracic vertebra Stapes

scapula

The glenoid cavity of the __________ articulates with the head of the __________. scapula; sternum radius; humerus humerus; scapula sternum; humerus scapula; humerus

scapula; humerus

The __________ suture separates the temporal bone from the parietal bone. coronal squamous lambdoid sagittal frontal

squamous

The manubrium is a bone surface marking found on the __________. clavicle sternum scapula rib vertebra

sternum

The __________ is found in the thoracic cage, whereas the __________ is found in the pectoral girdle. sternum; clavicle clavicle; sternum T5; T1 scapula; clavicle scapula; sternum

sternum; clavicle

Which of the following is not a function of the skeleton? Store calcium and phosphate ions Store red blood cells Provide support for most muscles Protect the brain Protect the spinal cord

store red blood cells

Which of the following bones is considered part of the appendicular skeleton? The frontal bone The mandible The scapula The thoracic vertebra The stapes

the scapula

Which of the following is not found in the temporal bone? The zygomatic process The mastoid process The external acoustic meatus The sella turcica The mandibular fossa

the sella turcica

Which of the following is not bones associated with the skull? The incus The malleus The hyoid The stapes The vomer

the vomer

Rib 7 is known as a __________ rib. true floating false pelvic cervical

true

Which of the following can be found in the marrow cavity of the diaphysis of an adult humerus (upper arm bone)? Osteons Hemopoietic tissue Red bone marrow Yellow bone marrow Compact bone

yellow bone marrow

The average number of bones in the normal adult skeleton is __________. 56 106 156 206 256

206

Which one of the following descriptions is not part of being in anatomical position? Arms at sides Standing erect Face and eyes facing forward Feet flat on the floor Palms facing posteriorly

Palms facing posteriorly

Which of the following is not true regarding the differences between the male and female pelvis? The male pelvis is more massive. The male pelvic outlet is smaller. The female pubic arch is usually greater than 100°. The female coccyx is tilted posteriorly. The female sacrum is longer.

The female sacrum is longer.

Which of the following structures contributes to the nasal septum? The zygomatic arch The palatine bones The cribriform plate The superior nasal concha The perpendicular plate of the ethmoid

The perpendicular plate of the ethmoid

Which of the following is not found in the pectoral girdle? The glenohumeral joint The acromioclavicular joint The sternoclavicular joint The sacroiliac joint The clavicle and scapula

The sacroiliac joint

The sternum is __________ to the vertebral column. anterior posterior superior inferior medial

anterior

The __________ is not found on the femur. anterior border fovea capitis medial condyle greater trochanter lesser trochanter

anterior border

Which of the following markings of the ilium is for articulation with the axial skeleton? Auricular surface Intervertebral disc Pubic symphysis Conoid tubercle Coronoid process

auricular surface

The most proximal region of the upper limb is called the __________ region. palmar cubital carpal antebrachial brachial

brachial

Which of the following bones comprises the heel of the foot? Cuboid Calcaneus Navicular Trochlear Talus

calcaneus

The disc-shaped head of the radius articulates with the __________ of the humerus. radial tuberosity trochlea capitulum olecranon process glenoid cavity

capitulum

Which of the following are common in compact bone but rarely seen in spongy bone? Lamellae Osteoclasts Lacunae Central canals Osteocytes

central canals

The spinous process has a bifid tip in most __________ vertebrae. cervical thoracic lumbar sacral coccygeal

cervical

A rounded knob that articulates with another bone is called a __________. condyle sulcus alveolus foramen sinus

condyle

Which of the following bones is least likely to be injured by a fall on an out-stretched hand? Multiple Choice Trapezium Cuboid Trapezoid Triquetrum Pisiform

cuboid

The visceral pericardium is __________ to the parietal pericardium. lateral medial superficial deep anterior

deep

The axis is the only vertebra with a __________. transverse foramen spinous process dens (odontoid process) vertebral arch superior articular facet

dens (odontoid process)

One long bone meets another at its __________. diaphysis epiphyseal plate periosteum metaphysis epiphysis

epiphysis

The expanded head at each end of a long bone is called a(n) __________. epiphysis diaphysis articular cartilage periosteum endosteum

epiphysis

Which of the following bones is not found in the appendicular skeleton? Clavicle Patella Ethmoid Ulna Carpals

ethmoid

Which of the following bones is unpaired? Ethmoid Parietal bone Maxilla Zygomatic bone Palatine bone

ethmoid

The acetabulum articulates with the _________. humerus femur patella tibia hip bone

femur

A hole through a bone that usually allows passage for nerves and blood vessels is called a(n) __________. canal alveolus fissure foramen sinus

foramen

Which of the following is formed by endochondral ossification? Frontal bone Humerus Trabeculae Occipital

humerus

Which of the following is formed by endochondral ossification? Frontal bone Humerus Trabeculae Occipital

humerus

The __________ is a bone in the brachium, whereas the _________ and _________ are bones in the antebrachium. humerus; radius; ulna femur; tibia; fibula carpus; radius; ulna radius; humerus; ulna ulna; humerus; radius

humerus; radius; ulna

When you rest your hands on your hips, you are resting them on your __________. pelvic inlet pelvic outlet pelvic brim iliac crests auricular surfaces

iliac crests