Which of the following periodontal ligament fibers is last to develop?
A) Oblique
B) Horizontal
C) Apical
D) Circular
E) Dentogingival
C
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The FDA's numerical classification of a newly approved drug as "3" denotes it as a new:
A) combination not previously marketed. B) generation of a marketed drug. C) formulation or dosage form not previously marketed. D) molecular drug.
When instructing a patient on how to use a small-volume nebulizer, which one of the following statements would be correct?
A) "Breathe about 20–30 times per minute so the medication gets into your lungs." B) "As I depress the trigger on the canister, take in a deep breath." C) "Take nice slow and deep breaths, and try not to cough the medicine out." D) "It is really important to occasionally cough during the treatment."
With adequate water intake a normal person will produce ________ liters of urine per day
A) 2 1/2-3 B) 3 1/2-4 C) 1 1/2-2 D) None of the above
The concept of ALARA
a. allows x-ray exposure under all circumstances. b. necessarily requires a benefit vs. risk assessment by the ordering physician. c. permits the radiographer to alter physician orders in order to lessen dose. d. shifts the responsibility for exposure reduction to the ordering physician.