Aplasia of secondary skin structures, partial anodontia, and xerostomia are features of:
a. Cleidocranial dysplasia
b. Ectodermal dysplasia
c. Amelogenesis imperfecta
d. Nevoid basal cell carcinoma syndrome
e. Osteogenesis imperfecta
B
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The reference half-cell of a pH analyzer is composed of:
a. silver anode. c. silver–silver chlo-ride. b. platinum cathode. d. mercury–mercurous chloride.
Economic changes have rendered the Social Security system unreliable for retiring baby boomers
a. true b. false
A therapeutic property of mud is that it is
A) dehydrating to the skin. B) an effective vasoconstrictor. C) warming to the body. D) cooling to the body.
Manual claims tracking:
A) frequently causes payment delays B) requires minimal effort on the part of office staff C) is both inexpensive and efficient D) is commonly used in most practices today