RN 105 MIDTERM /FINAL EXAM NEWEST ACTUAL
EXAM COMPLETE QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS) |
ALREADY GRADED A+.
When performing a single-handed instrument transfer with a right-handed
dentist, the dental assistant transfers the dental instrument with _____
hand.
the right
the left
either ✔✔ANSWER✔✔the left
When the dental chair is in the supine position, the:
back of the chair is positioned at a vertical 90-degree angle.
patient is positioned as if lying down.
patient's head is lower than the feet.
patient is in the correct position for exposure of radiographs and for taking
impressions. ✔✔ANSWER✔✔patient is positioned as if lying down.
The patient position in the dental chair in which the head is lower than the
chest is called the _____ position.
supine
upright
subsupine
,recovery ✔✔ANSWER✔✔subsupine
What classification of motion is described as movement of fingers, wrist, and
elbow?
Class I
Class II
Class IV
None of the above ✔✔ANSWER✔✔None of the above
The transfer zone is the area where:
the patient is moved into the dental chair.
the dental unit is located.
instruments and dental materials are exchanged.
rear delivery takes place. ✔✔ANSWER✔✔instruments and dental materials
are exchanged.
When the mouth mirror is used intraorally, the mirror must be positioned
_____ to the tooth surface.
perpendicular
parallel
skewed mesially
skewed distally ✔✔ANSWER✔✔parallel
The foot-controlled device of a dental handpiece is called a(n):
The part of the instrument that attaches the working end to the handle is
the:
point.
angle.
blade.
shank. ✔✔ANSWER✔✔shank.
The type of carver used to remove excess material interproximally is a(n):
discoid-cleoid carver.
amalgam knife.
Hollenback carver.
excavator. ✔✔ANSWER✔✔Hollenback carver.
The basic setup is composed of a(n):
evacuator, chisel, hatchet, and gingival margin trimmer.
mouth mirror, double-ended explorer, cotton pliers, and amalgam carver.
mouth mirror, double-ended explorer, and cotton pliers.
, mouth mirror and double-ended explorer. ✔✔ANSWER✔✔mouth mirror,
double-ended explorer, and cotton pliers.
To prevent scratching of the restoration, composite placement instruments
are made of:
stainless steel.
Teflon.
anodized aluminum.
both b and c. ✔✔ANSWER✔✔both b and c.
The hand cutting instrument used to manually remove decayed tooth
structure is the:
excavator.
chisel.
hatchet.
gingival margin trimmer. ✔✔ANSWER✔✔excavator
An instrument used to harden dental materials is a(n):
central air compressor.
curing light.
view box.
amalgamator. ✔✔ANSWER✔✔curing light.
What term describes having a sense of touch or feeling?
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