Which is an abnormal deposit of collagen in a healing skin wound?
a. Melanoma
b. Basal cell carcinoma
c. Keloid
d. Squamous cell carcinoma
ANS: C
A keloid is formed when an abnormal deposit of collagen collects in a healing skin wound. Keloids can be a problem because they may require grafting after excision.
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Deciding whether to expose dental radiographs on a child patient is based on:
a. age. b. behavior. c. individual needs. d. sensitivity of the oral cavity.
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