The slow onset of progressive disorientation, shortened attention span, and loss of cognitive function is known as:
A. delirium.
B. delusion.
C. paranoia.
D. dementia.
Answer: D. dementia.
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Which of the following statements regarding codes and standards is MOST accurate?
A. Revised codes automatically take effect when released. B. Most codes and standards are revised on an as-needed basis. C. Local amendments retain complete relevance when the code is updated. D. The authority having jurisdiction (AHJ) must legally adopt the new edition of the code.
A 55-year-old man presents with a single deep indurated crateriform lesion of the posterior lateral border of the tongue. It is asymptomatic. This could be all of the following except:
a. Squamous cell carcinoma b. Chronic traumatic ulcer c. Secondary herpes d. Syphilis e. Histoplasmosis
A roll of film imprinted with information and stored on a reel is
A. a photocopier. B. microfilm. C. a facsimile machine. D. a typewriter.
Which type of scaler is used interproximally?
a. Chisel b. File c. Sickle d. Hoe