Oral Pathology for the Dental Hygienist CHAPTER 1
Questions and Correct Answers | Latest Update
Bulla
Ans: A circumscribed, elevated lesion that is more than 5 mm in
diameter, usually contains serous fluid, and looks like a blister.
lobule
Ans: A segment or lobe that is a part of the whole; these lobes
sometimes appear fused together
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Macule
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Ans: An area that is usually distinguished by a color different from that
of the surrounding tissue; it is flat and does not protrude above the
surface of the normal tissue. A freckle is an example of a macule.
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papule
Ans: A small, circumscribed lesion usually less than 1 cm in diameter
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that is elevated or protrudes above the surface of normal surrounding
tissue.
Pedunculated
Ans: Attached by a stemlike or stalklike base similar to that of a
mushroom
Pustules
Ans: Variously sized circumscribed elevations containing pus
Sessile
Ans: Describing the base of a lesion that is flat or broad instead of
stemlike
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Vesicle
Ans: A small, elevated lesion less than 1 cm in diameter that contains
serous fluid.
nodule
Ans: A palpable solid lesion up to 1 cm in diameter found in soft tissue;
it can occur above, level with, or beneath the skin surface.
Palpation
Ans: The evaluation of a lesion by feeling it with the fingers to
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determine the texture of the area; the descriptive terms for palpation are
soft, firm, semifirm, and fluid filled; these terms also describe the
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consistency of a lesion.
Colors
Ans: Red, pink, salmon, white, blue-black, gray, brown, and black are
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the words used most frequently to describe the colors of oral lesions;
they can be used to identify specific lesions and may also be
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incorporated into general descriptions.
Erythema
Ans: An abnormal redness of the mucosa or gingiva
Erythroplakia
Ans: A clinical term used to describe an oral mucosal lesion that
appears as a smooth red patch or granular red and velvety patch.
Leukoplakia
Ans: A clinical term for a white plaquelike lesion on the oral mucosa
that cannot be rubbed off or diagnosed as a specific disease.
pallor
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Ans: Paleness of the skin or mucosal tissues
centimeter (cm)
Ans: One hundredth of a meter; equivalent to a little less than one-half
inch.
millimeter (mm)
Ans: one thousandth of a meter (0.001 m)
corrugated
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Ans: wrinkled
fissure
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Ans: A cleft or groove, normal or otherwise, showing prominent depth
Papillary
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Ans: Resembling small, nipple-shaped projections or elevations found
in clusters
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Smooth, rough, folded
Ans: terms used to describe the surface texture of a lesion
coalescence
Ans: The process by which parts of a whole join together or fuse, to
make one.
diffuse
Ans: Describes a lesion with borders that are not well defined, making it
impossible to detect the exact parameters of the lesion; this may make
treatment more difficult and, depending on the biopsy results, more
radical.