The fiber-optic light surface on the high-speed handpiece should be cleaned with isopropyl alcohol and a cotton-tip applicator

A. once a day.
B. after it is cleaned by the ultrasonic.
C. before each use.
D. after it is sterilized.


after it is sterilized.

Rationale: after it is sterilized – Oftentimes, after sterilization the fiber-optic light cover will have a haze and is best cleaned with isopropyl alcohol.

Health Professions

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____________ is the narrowing of blood vessels that often accompanies tension in the muscle

a. Vasoinhibition b. Vasocompensation c. Vasodilation d. Vasoconstriction

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What is the purpose of the START triage system?

A. To provide CPR to patients in cardiac arrest B. To identify patients who are most in need of immediate transport C. To decide which patients are likely to not survive the incident D. To provide airway management to the greatest number of patients

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Which of the following is an example of the centrally acting blockers?

A) doxazosin (Cardura®) B) prazosin (Minipress®) C) clonidine (Catapres®) D) nifedipine (Procardia®)

Health Professions

According to Dr. Peter Hackett, one of the world's foremost researchers in high altitude physiology and pathophysiology, the best treatment for HACE is ____.

A. hyperbaric chamber treatment B. descent C. rest D. hydration

Health Professions