Dental Hygienist
CHAPTER 1 Exam
Questions Verified
and Provided with
A+ Graded
Answers| Latest
Updated 2026
,Bulla
A circumscribed, elevated lesion that is more than 5 mm in diameter, usually contains
serous fluid, and looks like a blister.
lobule
A segment or lobe that is a part of the whole; these lobes sometimes appear fused
together
Macule
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.
papule
A small, circumscribed lesion usually less than 1 cm in diameter that is elevated or
protrudes above the surface of normal surrounding tissue.
Pedunculated
Attached by a stemlike or stalklike base similar to that of a mushroom
, Pustules
Variously sized circumscribed elevations containing pus
Sessile
Describing the base of a lesion that is flat or broad instead of stemlike
Vesicle
A small, elevated lesion less than 1 cm in diameter that contains serous fluid.
nodule
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
The evaluation of a lesion by feeling it with the fingers to determine the texture of
the area; the descriptive terms for palpation are soft, firm, semifirm, and fluid filled;
these terms also describe the consistency of a lesion.
Colors
Red, pink, salmon, white, blue-black, gray, brown, and black are the words used most
frequently to describe the colors of oral lesions; they can be used to identify specific
lesions and may also be incorporated into general descriptions.
Erythema
An abnormal redness of the mucosa or gingiva