Undercuts are ____________
a. areas that have been overprepped by the handpiece
b. areas that have been underprepped by the handpiece
c. recessed areas that are wider on bottom than on the top
d. none of the above
c
RATIONALE: Undercuts are recessed areas that are wider on the bottom than on the top.
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A construction worker has been shot with a nail gun, resulting in a long nail going through his cheek and firmly embedding into the lower gum and jaw. There is considerable blood in his mouth and he is in excruciating pain. Given this scenario, which of the following would be your first priority?
A) Removing the nail B) Suctioning the airway C) Applying oxygen D) Placing a cervical collar
Control valves should be exercised:
A. monthly. B. annually. C. biannually. D. every six months.
The description "a mode where each breath is pressure limited and the pressure-limit level is ad-justed automatically between breaths by using ventilatory mechanics to minimize the patient's work of breathing" pertains to which ventilator control type?
a. Servo c. Adaptive b. Optimal d. Auto-set-point
The bundle of His is also traditionally referred to as the ________ bundle.
A. simple B. dedicated C. common D. universal