DEX IOT DAY 3- (MIDFOOT/FOREFOOT) TEST EXAM questions
and verified ANSWERS
Which combination of k-wire and screw size is found in the
MIS Bunionectomy tray?
A. 1.4 mm k-wire - 3.5 mm Screw and 1.4 mm k-wire - 4.0 mm
Screw
B. 1.6 mm k-wire - 3.5 mm Screw and 1.6 mm k-wire - 4.0 mm
Screw
C. 1.6 mm k-wire - 3.5 mm Screw and 1.4 mm k-wire - 4.0 mm
Screw
D. 1.4 mm k-wire - 3.5 mm Screw and 1.6 mm k-wire - 4.0 mm
Screw ----Answers----D. 1.4 mm k-wire - 3.5 mm Screw and
1.6 mm k-wire - 4.0 mm Screw
Normal values of key x-ray measurements for evaluation of
hallux valgus "bunion" deformity include:
A. Hallux valgus angle (HVA) of <15°
B. Intermetatarsal angle (IMA) of <9°
C. Subluxation of the sesamoid bones distal metatarsal
articular angle (DMMA) of <10°
D. All the above are correct ----Answers----D. All the above
are correct
,True or False: Biomechanical studies demonstrated
statistically significant higher pull out strength, bending
strength, and maximum bending load of the MIS Bunionectomy
FT screws when compared to the Wright Medical MICATM
screws.
True
False ----Answers----True
An advantage to the AR-200 for Minimally Invasive Surgery
when compared to other competitive orthopedic power tools?
A. It can operate at High Speed and Low Torque
B. It can operate at Low Speed and High Torque
C.It can operate at both High Speed and High Torque
D. It can operate at both Low Speed and Low Torque ----
Answers----B. It can operate at Low Speed and High Torque
Which of the following statements is most accurate regarding
hallux valgus "bunion" deformities:
A. Hallux valgus "bunion" deformities are most common in
men.Bunion deformities (bump) are caused by a sprain of the
joint in the big toe that happens when your toe forcibly bends
upward
B. Hallux valgus "bunion" deformity is a result of the varus
drift of the 1st metatarsal at the TMT joint and a compensatory
valgus drift of the proximal phalanx at the MTP joint
,C. Hallux valgus "bunion" deformity a result of the valgus drift
of the 1st metatarsal at the TMT joint and a compensatory
varus drift of the proximal phalanx at the MTP joint.
D. Hallux valgus "bunion" deformity is a result of decreased
intermetatarsal angle (IMA) and increased hallux valgus anlge
(HVA). ----Answers----B. Hallux valgus "bunion" deformity is
a result of the varus drift of the 1st metatarsal at the TMT joint
and a compensatory valgus drift of the proximal phalanx at the
MTP joint
stabilizers ----Answers----hammer toe, mallet toe, claw toe,
plantar plate
A potential cause of failed bunion correction is not
appreciating and correcting frontal plane "rotational"
deformity.
True
False ----Answers----True
In MIS procedures surgeons have the option to increase the
RPMs of the AR-200 power unit to 10,000 RPM for a couple of
seconds if the burr binds while working. Excluding this rare
occasion that requires the brief use of higher RPMs, what is
the recommended maximum RPM setting that should utilize as
the continuous working speed MIS Surgery?
A. 3,000 RPM
, B. 6,000 RPM
C. 9,000 RPM
D. 12,000 RPM ----Answers----6,000
True or False: The Beveled FT screws in the MIS Bunionectomy
tray have a constant thread pitch.
True
False ----Answers----True
When completing the MIS Bunionectomy and measuring the
screw length of the first screw from the laser line on the K-
wire and depth device, remove ___mm to ___ mm from the
recorded length to adjust appropriately.
A. 1, 3.5
B. 2, 4
C. 3.5, 5
D. 4, 6 ----Answers----2 to 4 mm
Which of the following muscles inserts on the first metatarsal
head?
Flexor Hallucis Brevis
Abductor Hallucis Brevis
Adductor Hallucis Brevis
and verified ANSWERS
Which combination of k-wire and screw size is found in the
MIS Bunionectomy tray?
A. 1.4 mm k-wire - 3.5 mm Screw and 1.4 mm k-wire - 4.0 mm
Screw
B. 1.6 mm k-wire - 3.5 mm Screw and 1.6 mm k-wire - 4.0 mm
Screw
C. 1.6 mm k-wire - 3.5 mm Screw and 1.4 mm k-wire - 4.0 mm
Screw
D. 1.4 mm k-wire - 3.5 mm Screw and 1.6 mm k-wire - 4.0 mm
Screw ----Answers----D. 1.4 mm k-wire - 3.5 mm Screw and
1.6 mm k-wire - 4.0 mm Screw
Normal values of key x-ray measurements for evaluation of
hallux valgus "bunion" deformity include:
A. Hallux valgus angle (HVA) of <15°
B. Intermetatarsal angle (IMA) of <9°
C. Subluxation of the sesamoid bones distal metatarsal
articular angle (DMMA) of <10°
D. All the above are correct ----Answers----D. All the above
are correct
,True or False: Biomechanical studies demonstrated
statistically significant higher pull out strength, bending
strength, and maximum bending load of the MIS Bunionectomy
FT screws when compared to the Wright Medical MICATM
screws.
True
False ----Answers----True
An advantage to the AR-200 for Minimally Invasive Surgery
when compared to other competitive orthopedic power tools?
A. It can operate at High Speed and Low Torque
B. It can operate at Low Speed and High Torque
C.It can operate at both High Speed and High Torque
D. It can operate at both Low Speed and Low Torque ----
Answers----B. It can operate at Low Speed and High Torque
Which of the following statements is most accurate regarding
hallux valgus "bunion" deformities:
A. Hallux valgus "bunion" deformities are most common in
men.Bunion deformities (bump) are caused by a sprain of the
joint in the big toe that happens when your toe forcibly bends
upward
B. Hallux valgus "bunion" deformity is a result of the varus
drift of the 1st metatarsal at the TMT joint and a compensatory
valgus drift of the proximal phalanx at the MTP joint
,C. Hallux valgus "bunion" deformity a result of the valgus drift
of the 1st metatarsal at the TMT joint and a compensatory
varus drift of the proximal phalanx at the MTP joint.
D. Hallux valgus "bunion" deformity is a result of decreased
intermetatarsal angle (IMA) and increased hallux valgus anlge
(HVA). ----Answers----B. Hallux valgus "bunion" deformity is
a result of the varus drift of the 1st metatarsal at the TMT joint
and a compensatory valgus drift of the proximal phalanx at the
MTP joint
stabilizers ----Answers----hammer toe, mallet toe, claw toe,
plantar plate
A potential cause of failed bunion correction is not
appreciating and correcting frontal plane "rotational"
deformity.
True
False ----Answers----True
In MIS procedures surgeons have the option to increase the
RPMs of the AR-200 power unit to 10,000 RPM for a couple of
seconds if the burr binds while working. Excluding this rare
occasion that requires the brief use of higher RPMs, what is
the recommended maximum RPM setting that should utilize as
the continuous working speed MIS Surgery?
A. 3,000 RPM
, B. 6,000 RPM
C. 9,000 RPM
D. 12,000 RPM ----Answers----6,000
True or False: The Beveled FT screws in the MIS Bunionectomy
tray have a constant thread pitch.
True
False ----Answers----True
When completing the MIS Bunionectomy and measuring the
screw length of the first screw from the laser line on the K-
wire and depth device, remove ___mm to ___ mm from the
recorded length to adjust appropriately.
A. 1, 3.5
B. 2, 4
C. 3.5, 5
D. 4, 6 ----Answers----2 to 4 mm
Which of the following muscles inserts on the first metatarsal
head?
Flexor Hallucis Brevis
Abductor Hallucis Brevis
Adductor Hallucis Brevis
