Etching agents are not dangerous and therefore do not require any safety measures
a. True
b. False
Indicate whether the statement is true or false
False
RATIONALE: Care must be given to the etching process because most etching agents contain phosphoric acid. The patient and the assistant should wear protective glasses when etchants are used.
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a. rales b. stridor c. rhonchus d. wheezing
Which of the following techniques will allow pus to be drained from the gingival crevice?
A) Use probe or curet to open pocket entrance B) Brush area with a hard-bristled toothbrush C) Application of cold gauze D) Application of heated gutta percha point
Imaging for medical purposes includes all of the following except:
a. Nuclear medicine. b. Acupuncture. c. Fluoroscopy. d. Ultrasound.
Electric potential is measured in
a. coulombs. b. joules. c. volts. d. ohms.