Mosby Exam 7th Edition
The type of epithelial tissue that is found in the oral cavity is called:
A. Stratified squamous epithelium
B. Simple columnar epithelium
C. Simple cuboidal epithelium
D. Pseudo-stratified columnar epithelium - ANSWER: A
A. Stratified squamous epithelium lines the cavity
B. Simple columnar epithelium lines the intestines and cervix of the uterus
C. Simple cubodial epithelium lines the ovaries
D. Pseudostratified columnar epithelium is found in the trachea and appears stratified in one layer
The cellular part of the blood that caries oxygen but does not contain a nucleus comprises the:
A. Neutrophils
B. Basophils
C. Monocytes
D. Red blood cells - ANSWER: D
D. The cellular part of the blood that carries oxygen but does not obtain a nucleus are the red blood cells
A. Neutrophils are white blood cells and are the first to appear and fight infection
B. Basophils are white blood cells and increase during allergic and inflammatory reactions
C. Monocytes are white blood cells and they function during inflammatory and immune responses
The nasal septum is composed of:
A. Vomer and perpendicular plate of the ethmoid bone
B. Greater wing of the sphenoid bone
,C. Mandible and temporal bones
D. Occipital and parietal bones - ANSWER: A
A. The perpendicular plate of the ethmoid bone along with the vomer and nasal septal cartilage, forms the
nasal septum
B. The greater wings of the sphenoid forms the outer wall and floor of the ocular
C. Mandible articulates with the temporal bones on both sides and does not form the nasal septum
D. The occipital bones forms the posterior portion of the skull and articulates with the parietal
What bones form the temporomandibular joint (TMJ)?
A. Vomer and perpendicular plate of the ethmoid bone
B. Greater wing of the sphenoid and frontal bones
C. Mandible and temporal bones
D. Occipital and parietal bones - ANSWER: C
C. The bones that form the TMJ are the mandible and on each side articulates with the temporal bones to
form the TMJ
A. The perpendicular plate of the ethmoid bone along with the vomer and nasal septal cartilage, forms the
nasal septum
B. The greater wings of the sphenoid forms the outer wall and floor of the ocular
D. The occipital bones forms the posterior portion of the skull and articulates with the parietal
The articulating surface of the condyle rotates within the:
A. External acoustic meatus
B. Styloid process
C. Coronoid notch
D. Mandibular fossa - ANSWER: D
,D. The mandibular fossa is the depression in the temporal bone that articulates within the mandibular
condyle.
A. The external acoustic meatus is the ear canal and does not rotate with the condyle
B. The styloid process is the pointed piece of the bone that extends to below the ear. It projects down and
forward from the inferior surface of the temporal bone
C. The coronoid notch is a concavity on the anterior border of the ramus of the mandible.
A circular structure in the cell that contains powerful digestive enzymes and acts as a scavenger is the:
A. Mitochondrium
B. Lysosome
C. Endoplasmic reticulum
D. Golgi apparatus - ANSWER: A
A. The mitochondria provides the chief source of energy for the cell by enzymatic breakdown of fats, amino
acids, and carbohydrates.
B. Lysosomes are responsible for the breakdown of foreign substances that are engulfed by the cell by the
process of phagocytosis
C. The endoplasmic reticulum is found throughout the cytoplasm of the cell and functions to synthesize
circulatory and package intracellular and extracellular materials.
D. The golgi complex consists of stacks of closed spaced membranous sacs in which newly formed proteins are
concentrated and prepared for export out of the cell.
The localized entrapment of pathogens from a dental infection in a closed tissue space is called:
A. Paresthesia
B. Osteomyelitis
C. Abscess
D. Pustule - ANSWER: C
C. An abscess is a localized entrapment of pathogens from a dental infection in a closed tissue space
A. Paresthesia is a sensation of numbers or tingling on the skin
, B. Osteomyetitis is an infection of bone or bone marrow
D. Pustules are small, inflamed, pusfilled, blister-like lesions on the skin surface
Which tooth is known for its bifurcated root?
A. Mandibular second premolar
B. Maxillary second premolar
C. Maxillary first premolar
D. Mandibular first premolar - ANSWER: C
C. The maxillary 1st premolar has two roots, one facial and one lingual. It is bifurcated in the apical third to
half.
A. The mandibular 2nd premolar has one root
B. The maxillary 2nd premolar has one root
D. The mandibular 1st premolar has one root
Which of the following permanent teeth occlude with only one tooth in the opposite arch, assuming ideal
relations exist?
A. Maxillary canine
B. Maxillary first molar
C. Mandibular central incisor
D. Mandibular first premolar - ANSWER: C
C. The mandibular central incisor occludes with the maxillary central incisor
A. The maxillary canine occludes with the mandibular canine and 1st premolar
B. The maxillary first molar occludes with the mandibular first and second molars
D. The mandibular 1st premolar occludes with the maxillary canine and first premolar
The junction of three surfaces on the crown of a tooth is referred to as:
The type of epithelial tissue that is found in the oral cavity is called:
A. Stratified squamous epithelium
B. Simple columnar epithelium
C. Simple cuboidal epithelium
D. Pseudo-stratified columnar epithelium - ANSWER: A
A. Stratified squamous epithelium lines the cavity
B. Simple columnar epithelium lines the intestines and cervix of the uterus
C. Simple cubodial epithelium lines the ovaries
D. Pseudostratified columnar epithelium is found in the trachea and appears stratified in one layer
The cellular part of the blood that caries oxygen but does not contain a nucleus comprises the:
A. Neutrophils
B. Basophils
C. Monocytes
D. Red blood cells - ANSWER: D
D. The cellular part of the blood that carries oxygen but does not obtain a nucleus are the red blood cells
A. Neutrophils are white blood cells and are the first to appear and fight infection
B. Basophils are white blood cells and increase during allergic and inflammatory reactions
C. Monocytes are white blood cells and they function during inflammatory and immune responses
The nasal septum is composed of:
A. Vomer and perpendicular plate of the ethmoid bone
B. Greater wing of the sphenoid bone
,C. Mandible and temporal bones
D. Occipital and parietal bones - ANSWER: A
A. The perpendicular plate of the ethmoid bone along with the vomer and nasal septal cartilage, forms the
nasal septum
B. The greater wings of the sphenoid forms the outer wall and floor of the ocular
C. Mandible articulates with the temporal bones on both sides and does not form the nasal septum
D. The occipital bones forms the posterior portion of the skull and articulates with the parietal
What bones form the temporomandibular joint (TMJ)?
A. Vomer and perpendicular plate of the ethmoid bone
B. Greater wing of the sphenoid and frontal bones
C. Mandible and temporal bones
D. Occipital and parietal bones - ANSWER: C
C. The bones that form the TMJ are the mandible and on each side articulates with the temporal bones to
form the TMJ
A. The perpendicular plate of the ethmoid bone along with the vomer and nasal septal cartilage, forms the
nasal septum
B. The greater wings of the sphenoid forms the outer wall and floor of the ocular
D. The occipital bones forms the posterior portion of the skull and articulates with the parietal
The articulating surface of the condyle rotates within the:
A. External acoustic meatus
B. Styloid process
C. Coronoid notch
D. Mandibular fossa - ANSWER: D
,D. The mandibular fossa is the depression in the temporal bone that articulates within the mandibular
condyle.
A. The external acoustic meatus is the ear canal and does not rotate with the condyle
B. The styloid process is the pointed piece of the bone that extends to below the ear. It projects down and
forward from the inferior surface of the temporal bone
C. The coronoid notch is a concavity on the anterior border of the ramus of the mandible.
A circular structure in the cell that contains powerful digestive enzymes and acts as a scavenger is the:
A. Mitochondrium
B. Lysosome
C. Endoplasmic reticulum
D. Golgi apparatus - ANSWER: A
A. The mitochondria provides the chief source of energy for the cell by enzymatic breakdown of fats, amino
acids, and carbohydrates.
B. Lysosomes are responsible for the breakdown of foreign substances that are engulfed by the cell by the
process of phagocytosis
C. The endoplasmic reticulum is found throughout the cytoplasm of the cell and functions to synthesize
circulatory and package intracellular and extracellular materials.
D. The golgi complex consists of stacks of closed spaced membranous sacs in which newly formed proteins are
concentrated and prepared for export out of the cell.
The localized entrapment of pathogens from a dental infection in a closed tissue space is called:
A. Paresthesia
B. Osteomyelitis
C. Abscess
D. Pustule - ANSWER: C
C. An abscess is a localized entrapment of pathogens from a dental infection in a closed tissue space
A. Paresthesia is a sensation of numbers or tingling on the skin
, B. Osteomyetitis is an infection of bone or bone marrow
D. Pustules are small, inflamed, pusfilled, blister-like lesions on the skin surface
Which tooth is known for its bifurcated root?
A. Mandibular second premolar
B. Maxillary second premolar
C. Maxillary first premolar
D. Mandibular first premolar - ANSWER: C
C. The maxillary 1st premolar has two roots, one facial and one lingual. It is bifurcated in the apical third to
half.
A. The mandibular 2nd premolar has one root
B. The maxillary 2nd premolar has one root
D. The mandibular 1st premolar has one root
Which of the following permanent teeth occlude with only one tooth in the opposite arch, assuming ideal
relations exist?
A. Maxillary canine
B. Maxillary first molar
C. Mandibular central incisor
D. Mandibular first premolar - ANSWER: C
C. The mandibular central incisor occludes with the maxillary central incisor
A. The maxillary canine occludes with the mandibular canine and 1st premolar
B. The maxillary first molar occludes with the mandibular first and second molars
D. The mandibular 1st premolar occludes with the maxillary canine and first premolar
The junction of three surfaces on the crown of a tooth is referred to as:
