Anatomy Chapter 7 Questions

The lines, tubercles, crests, ridges, and other processes on the bones represent areas which are used primarily for: a) attachment of muscles to bones b) attachment of bone to bone c) joint articulation d) increasing the surface area of the bone

a) attachment of muscles to bones

The single, unpaired bones that make up the skeletal part of the face are: a) mandible and vomer b) nasal and lacrimal c) mandible and maxilla d) nasal and palatine

a) mandible and comer

The sacrum consists of five fused elements which afford protection for: a) reproductive, digestive, and excretory organs b) respiratory, reproductive, and endocrine organs c) urinary, respiratory, and digestive organs d) endocrine, respiratory, and urinary organs

a) reproductive, digestive, and excretory organs

The most significant growth in the skull occurs before age five because: a) the brain stops growing and cranial sutures develop b) brain development is incomplete until maturity c) the cranium of a child is larger than that of an adult d) the ossification and articulation process is completed

a) the brain stops crowing and cranial sutures develop

The axial skeleton creates a framework that supports and protects organ systems in: a) the dorsal and ventral body cavities b) the pleural cavity c) the abdominal cavity d) the pericardial cavity

a) the dorsal and ventral body cavities

When identifying the vertebrae, a numerical shorthand is used such as C3. The C refers to: a) the region of the vertebrae b) the position of the vertebrae in a specific region c) the numerical order of the vertebrae d) the articulating surface of the vertebrae

a) the region of the vertebrae

The bones that make up the eye socket or orbit include: a) lacrimal, zygomatic, maxilla b) ethmoid, temporal, zygomatic c) lacrimal, ethmoid, sphenoid d) temporal, frontal, sphenoid

a,c) lacrimal, zygomatic, maxilla, ethmoid, sphenoid

The part of the skeletal system that forms the longitudinal axis of the body is the _______ division.

axial

The mucus membrane of the paranasal sinuses responds to environmental stress by: a) breaking up air flow in the nasal cavity b) creating swirls and eddies in the sinuses c) accelerating the production of mucus d) a, b, and c are correct

c) accelerating the production of mucus

Of the following selections, the one which correctly identifies the sequence of the vertebrae from superior to inferior is: a) thoracic, cervical, lumbar coccyx, sacrum b) cervical, lumbar, thoracic, sacrum, coccyx c) cervical, thoracic, lumbar, sacrum, coccyx d) cervical, thoracic, sacrum, lumbar, coccyx

c) cervical, thoracic, lumbar, sacrum, coccyx

The reason the skull can be distorted without damage during birth is: a) fusion of the ossification centers is completed b) the brain is large enough to support the skull c) fibrous connective tissue connects the cranial bones d) shape and structure of the cranial elements are elastic

c) fibrous connective tissue connects the cranial bones

The most massive and least mobile of the vertebrae are the: a) thoracic b) cervical c) lumbar d) sacram

c) lumbar

Foramina, located on the bones of the skull, serve primarily as passageways for: a) airways and ducts for secretions b) sound and sight c) nerves and blood vessels d) muscle fibers and nerve tissue

c) nerves and blood vessels

An abnormal lateral curvature of the spine is called a) kyphosis b) lordosis c) scoliosis d) amphiarthrosis

c) scoliosis

Of the following selections, the one that includes bones found exclusively in the axial skeleton is: a) ear ossicles, scapula, clavicle, sternum, hyoid b) vertebrate, ischium, ilium, skull, ribs c) skull, vertebrae, ribs, sternum, hyoid d) sacrum, ear ossicles, skull, scapula, ilium

c) skull, vertebrae, ribs, sternum, hyoid

The associated bones of the skull include the: a) mandible and maxilla b) nasal and lacrimal c) hyoid and auditory ossicles d) vomer and palatine

c)hyoid and auditory ossicles

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

capitulum

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

centrum

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

cervical

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

compensation

The cartilaginous extensions that connect ribs to the sternum are the ___________ cartilages.

costal

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

cranium

What percentage of the bones in the body comprise the axial skeleton? a) 60% b) 80% c) 20% d) 40%

d) 40%

The nasal complex consists of the: a) frontal, sphenoid, and ethmoid bones b) maxilla, lacrimal, and ethmoidal concha c) inferior concha d) a, b, and c are correct

d) a, b, and c are correct

The primary spinal curves that appear late in fetal development: a) help shift the trunk weight over the legs b) accommodate the lumbar and cervical regions c) become accentuated as the toddler learns to walk d) accommodate the thoracic and abdominopelvic viscera

d) accommodate the thoracic and abdominopelvic viscera

The primary purpose of the coccyx is to provide: a) protection for the urinary organs b) protection for the anal opening c) an attachment site for leg muscles d) an attachment site for a muscle that closes the anal opening

d) an attachment site for a muscle that closes the anal opening

The sutures that articulate the bones of the skull are: a) parietal, occipital, frontal, temporal b) calvaria, foramen, condyloid, lacerum c) posterior, anterior, lateral, dorsal d) lambdoidal, sagittal, coronal, squamosal

d) lambdoidal, sagittal, coronal, squamosal

Areas of the head that are involved in the formation of the skull are called: a) fontanels b) craniocephalic centers c) craniulums d) ossification centers

d) ossification centers

The paired bones of the cranium are: a) ethmoid and sphenoid b) frontal and occipital c) occipital and parietal d) parietal and temporal

d) parietal and temporal

The skeleton of the chest or thorax consists of: a) cervical vertebrae, ribs, and sternum b) cervical vertebrae, ribs, thoracic vertebrae c) cervical vertebrae, ribs, pectoral girdle d) thoracic vertebrae, ribs, sternum

d) thoracic vertebrae, ribs, sternum

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

floating

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

fontanels

The opening that connects the cranial cavity with the canal enclosed by the spinal column is the _______.

foramen magnum

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

inferior concha

An undersized head caused by a cessation of brain enlargement and skull growth is called __________.

microcephaly

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

mucus

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

muscles

The airspaces connected to the nasal cavities are the _________ sinuses.

paranasal

C1 and C2 have specific names, which are the: a) sacrum and coccyx b) atlas and axis c) cervical and costal d) sacrum and coccyx

b) atlas and axis

At birth, the bones of the skull can be distorted without damage because of the: a) cranial foramina b) fontanels c) alveolar process d) cranial ligaments

b) fontanels

The axial skeleton can be recognized because it: a) includes the bones of the arms and legs b) forms the longitudinal axis of the body c) includes the bones of the pectoral and pelvic girdles d) a, b, and c are correct

b) forms the longitudinal axis of the body

The three components of the adult sternum are the: a) pneumothorax, hemothorax, tuberculum b) manubrium, body, xiphoid process c) head, capitulum, tuberculum d) angle, body, shaft

b) manubrium, body, xiphoid process

The bones of the cranium that exclusively represent single, unpaired bones are: a) occipital, parietal, frontal, temporal b) occipital, frontal, sphenoid, ethmoid c) frontal, temporal, parietal, sphenoid d) ethmoid, frontal, parietal, temporal

b) occipital, frontal, sphenoid, ethmoid

The air-filled chambers that communicate with the nasal cavities are the a) condylar process b) paranasal sinuses c) maxillary foramina d) mandibular foramina

b) paranasal sinuses

The sinuses or internal chambers in the skull are found in: a) sphenoid, ethmoid, vomer, lacrimal bones b) sphenoid, frontal, ethmoid, maxillary bones c) ethmoid, frontal, lacrimal, maxillary bones d) lacrimal, vomer, ethmoid, frontal bones

b) sphenoid, frontal, ethomoid, maxillary bones

The first seven pairs of ribs are called true ribs, while the lower five pairs are called false ribs because: a) the fused cartilages merge with the costal cartilage b) they do not attach directly to the sternum c) the last two pair have no connection with the sternum d) they differ in shape from the true ribs

b) the do not attach directly to the sternum

The vertebrae that indirectly effect changes in the volume of the rib cage are the: a) cervical vertebrae b) thoracic vertebrae c) lumbar vertebrae d) sacral vertebrae

b) thoracic vertebrae