QUESTIONS WITH VERIFIED ANSWER
A _____________ has spring-loaded retractable jaws for holding
small screws in the screwdriver until they catch the threads in the
barrel.
a. bevel driver
b. screw extractor
c. pick-up screwdriver
d. pillar file - correct answer -c. pick-up screwdriver
To remove a stuck screw:
a. immerse in ultrasonic solution
b. use penetrating oil
c. place screwdriver in slot and lightly tap the screwdriver with a
hammer
d. all of the above - correct answer -d. all of the above
,When compressing the barrels together somewhat to help tighten
a loose temple, it is best done with pliers whose jaws are
__________ when open.
a. parallel
b. of equal length
c. perpendicular
d. rounded - correct answer -a. parallel
The ___________ pad is one of the easiest pads to remove and
replace.
a. screw-on
b. twist-on
c. push-on
d. clamp-on - correct answer -c. push-on
A _________________ distributes the weight of the frame over
the nose pad area and the crest of the nose.
a. endpiece
,b. strap bridge
c. crest
d. bevel - correct answer -b. strap bridge
The basic construction of a progressive addition lens consists of a
distance:
a. and near potion only
b. portion above and below a centralized near portion
c. portion in the upper area of the lens, a near portion in the lower
central area, and a corridor between the distance and near
portions that gradually increases
d. portion that gradually decreases in power - correct answer -c.
portion in the upper area of the lens, a near portion in the lower
central area, and a corridor between the distance and near
portions that gradually increases
Compared to wearing standard multifocal lenses, a positive
aspect to wearing progressive addition lenses would be:
a. an invisible "segment"
b. good acuity possible at any distance
, c. increase in head movement
d. a and b - correct answer -d. a and b
A patient has scratched their new lenses and now decided that
they would like AR coating. If these lenses are coated, the
scratches will be:
a. less visible
b. filled in with the coating and corrected
c. more visible
d. unaffected - correct answer -c. more visible
To measure the base curve on an executive-style bifocal, the 3
pins of the clock are placed as ___________ the dividing line as
possible.
a. far above
b. close to
c. perpendicular to
d. far below - correct answer -b. close to