The cavity preparation that involves a large amount of enamel and dentin being removed and the floor of the preparation being slightly pink is ____________
a. pulp exposure
b. near exposure
c. ideal
d. beyond ideal
b
RATIONALE: The cavity preparation that involves a large amount of enamel and dentin being removed and the floor of the preparation being slightly pink is near exposure.
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The EMT correctly defines a multiple-casualty incident (MCI) when he states:
A) "It is any event that places an excessive demand on rescue personnel and equipment." B) "It occurs when the number of patients requiring care is greater than 10." C) "It occurs any time the incident requires the medical director to leave the hospital and direct activities on scene." D) "It occurs any time that five or more people are injured and require transport to different hospitals."
What is the normal PO2 in the umbilical arteries?
A. 20 mm Hg B. 40 mm Hg C. 80 mm Hg D. 55 mm Hg
Which of the following is of primary concern in culvert analysis?
a. upstream depth c. flow pattern b. downstream depth d. slope
Unexpected occurrences involving death or serious physical or psychological injury are called:
A. adverse effects B. sentinel events C. side effects D. medication errors