DEX IOT Exam Review (New 2024/ 2025 Update) A Grade | Questions and Verified Answers 2024, Exams of Nursing

Download DEX IOT Exam Review (New 2024/ 2025 Update) A Grade | Questions and Verified Answers 2024 and more Exams Nursing in PDF only on Docsity! DEX IOT Exam Review (New 2024/ 2025 Update) A Grade | Questions and Verified Answers| 100% Correct QUESTION Which arthrex bone void solution provides cell, signal and scaffold? Answer: Arthrocell bone allograft QUESTION Arthrocell allograft contains a cellular component referred to as MIAMI cells. What does the acronym MIAMI stand for? Answer: Marrow Isolated Adult multi-lineage inducible cells QUESTION Which of our bone void fillers are composed of 100% DBM? Answer: Allosync Cortical Fibers Allosync Expand cortical fibers Allosync Pure Allosync Cancellous sponges (strips, cubes, 12x3 button) QUESTION What are the three zones of the scaphoid? Answer: Distal pole, waist, proximal pole QUESTION Surgical treatment is indicated for which of the following findings in scaphoid fractures? A. Displacement greater than 1mm B. Angulation greater than 15 degrees C. Comminuted fractures D. All the above Answer: D. All the above QUESTION Which fibers of the scapholunate interosseous ligament are the strongest and most important to wrist function? Answer: Dorsal QUESTION A cotton osteotomy is an osteotomy of which bone of the foot? Answer: Medial Cuneiform QUESTION What is the order of screw placement in the anterior ankle fusion plate? Answer: 1. Talus locking/non-locking screw fixation 2. Tibia oblong compression hole non-locking screw fixation 3. Anatomic compression hole screw fixation, 4. Final fixation with tibia locking/non locking screws Answer: True QUESTION Which plane divides the body into right and left halves? Answer: Saggital plane QUESTION What is the most common motion responsible for lateral ankle sprains? Answer: Inversion, plantar-flexion QUESTION Which of the following is NOT one of the three ligaments that supports the ankle syndesmosis joint? A. Anterior Talofibular ligament (ATFL) B. Posterior inferior Tibiofibular ligament (PiTFL) C. Anterior inferior Tibiofibular ligament (AiTFL) D. Tibiofibular Interosseous Ligament Answer: A. Anterior Talofibular ligament (ATFL) - CORRECT QUESTION T/F: Plasma makes up 55% of whole blood Answer: True QUESTION The Quadriceps Femoris refers to which of the following? A. Rectus Femoris B. Vastus Lateralis C. Vastus Medialis D. Vastus Intermedius E. All of the above Answer: E. All of the above (CORRECT) QUESTION What two nerves are most at risk when surgeons perform a lateral ankle ligament operation? Answer: Sural Nerve Superficial peroneal Nerve QUESTION When performing the achilles mid-substance speedbridge, how many times should the passing needles be passed through the PARS jig? Answer: 5 QUESTION In STD oscillation Mode, how often will the handpiece change direction at an RPM of 1,000 or more? Answer: Every 0.5 seconds QUESTION The ankle Mortise is composed of all of the following bones EXCEPT: A. Tibia B. Calcaneus C. Fibula D. Talus Answer: B. Calcaneus QUESTION T/F: All screw holes in the Locking third tubular plates accept 3.5 nonlocking cortical, 3.5 locking, and 4 mm cancellous screws Answer: true QUESTION T/F: Locking screws give you a much more rigid construct compared to non-locking screws Answer: True QUESTION What are the most common locations for OCD's in the Talus? Answer: Anterolateral and Posteromedial QUESTION What is the strongest ligament in the ankle syndesmotic ligament complex? Answer: Scaphoid QUESTION what is the normal anatomic volar tilt of the distal radius? Answer: 11 degrees QUESTION What is the most common type of distal radius fracture? Answer: colles QUESTION How many holes does the left and right specific LONG 5th metatarsal hook plate have? Answer: 7 QUESTION What nerve is most at risk during percutaneous screw placement for a proximal 5th metatarsal fracture Answer: sural QUESTION What soft tissue structure gives support to the thumb during the pinch grasp? Answer: Ulnar collateral ligament QUESTION Before placing the second swivelock anchor for a thumb UCL IB repair, the thumb should be placed in Answer: 30 degrees of flexion QUESTION What size graft should be used for a thumb UCL reconstruction when using the 3.5 DX SwiveLock SL anchor Answer: 2mm QUESTION The lisfranc ligament attaches from Answer: Medial cuneiform to base of second metatarsal QUESTION What is another name for the tarsal-metatarsal joint of the foot? Answer: Lisfranc's Joint QUESTION Lisfranc injuries are commonly due to which of the following mechanisms Motor vehicle accidents Falls from heights Athletic injuries All of the above Answer: All of the above QUESTION What is the default ablation setting for the MP50? Answer: 4 QUESTION When viewing the wrist arthroscopically, name the first row of carpal bones in order starting from the radial side Answer: Scaphoid, Lunate, Triquetrium QUESTION Which is the primary viewing portal used for a wrist arthroscopy Answer: 3-4 portal QUESTION Ankle Fracture Auxillary Screw Caddy Sizes QUESTION Brostrom IB Anchor Positions Answer: Distal tip of Fibula - Fibertaks 1 and 2 cm from - 3.5 SwiveLock 1.5 cm from Talus - 2cm from lateral talar process (18.1) QUESTION Talus offset guide position (ATFL) Answer: Handle at 4:30 (R) or 7:30 (L) Tongue in sinus tarsi (2cm from lateral talar process) 40-45 degrees from saggital plane Parallel with longitudinal line of the foot QUESTION Brostrom IB Talar Drill Size Answer: 3.4 mm (4.75 SL w/Fibertape) QUESTION Foot position when tensioning Brostrom repair Answer: Maximum dorsiflexion and eversion QUESTION Foot position when tensioning Brostrom IB augmentation Answer: Neutral inversion/eversion 10-15 degrees plantar flexion QUESTION Which band of the ATFL is tight in plantar flexion Answer: Superior QUESTION Anchor placement when adding CFL augmentation to Brostrom IB Answer: Fibular anchor placed slightly inferior to anatomic insertion of ATFL QUESTION ATFL tears from what motion(s) Answer: Plantar Flexion Inversion Internal rotation QUESTION Physical Exam tests for lateral ankle instability Answer: Anterior Drawer (ATFL) (+ if > 5mm translation) Talar Tilt (ATFL+CFL) QUESTION Talar Tilt Parameters Answer: Normal < 5 degrees w/ foot in plantar flexion Torn ATFL > 15 degrees w/foot in plantar flextion (Grade II talar tilt) QUESTION What are the 3 lateral ankle ligaments Answer: Posterior Talofibular (PTF) Calcaneofibular (CF) Anterior Talofibular (ATFL) QUESTION Lateral Ankle Reconstruction Kit Answer: - 6.25 x 15 teno driver (calcaneus) - 5.5 x 15 teno driver (talus) - 4.75 x 15 teno driver (fibula) - cannulated drills (6mm talus/calc, 5 fib) - Quickpass tendon shuttles - Nitinol passing wire - 3x fiberloop - 1x #2 FiberWire QUESTION IB 2.0 Sizes QUESTION FHL Tension slide whipstitch length and reamer depth Answer: Whipstitch 15 mm or 23 mm Ream 20 mm or 30 mm QUESTION IB 2.0 Anchor Dimensions Answer: 4.75 SL = 12 mm anchor + 4 mm eyelet = 16 mm 3.5 SL = 10 mm anchor + 5 mm eyelet = 15 mm QUESTION FHL Tension-Slide Ultimate Load to Failure Answer: 299N QUESTION FDL Tension-Slide Ultimate Load to Failure Answer: 259N QUESTION Depth of DX Mini Scorpion bite Answer: 13 mm QUESTION Depth of Viper bite Answer: 5 mm QUESTION Where are the proximal SwiveLocks placed for Achilles Speedbridge Answer: 1 cm proximal to the distal insertion of the achilles tendon, central to each half of the tendon QUESTION Achilles midsubstance speedbridge incision location Answer: 1 cm below superior aspect of posterior calcaneal tuberosity, medial and lateral to the Achilles tendon QUESTION Achilles midsubstance Speedbridge Drill angles Answer: Coronal Plane - 45 degrees from vertical Saggital plane - 45 degrees from posterior to anterior QUESTION Foot position when tensioning Achilles midsubstance speedbridge Answer: 10-15 degrees more plantar flexion than resting position of contralateral side QUESTION Difference between EndoBlade gastroc and plantar fascia kits Answer: Gastroc kit - 4mm arthroscopes - Distal curve hook blade - Straight hook blade - Always find plane medial to lateral - Insert deep to crural fascia, superficial to gastroc (sural and saphenous lie posterior/superficial to cannula) - Lateral release portal first (then medial) - Release entire aponeurosis Plantar Fascia kit - 4mm AND 2.7 arthroscopes (same cannula though) - Proximal curve hook blade - Proximal curve triangle blade - Plane finder first (Medial to lateral) - Plane is Plantar/Inferior/superficial to Plantar fascia - Cannula inserted next (lateral to medial) - Medial release portal - Only release central band (lateral intact) QUESTION Dorsal Extrinsic Carpal Ligaments (2) Answer: Dorsal Intercarpal Ligament - Proximal pole scaphoid/trapezoid) - triquetrium Dorsal Radiocarpal ligament - Radius to triquetrium Interosseous SL recon technique indication Answer: Complete disruption of SL ligament QUESTION RASL procedure Answer: headless screw across scapholunate ligament QUESTION ROSS technique Answer: Similar to SLAM procedure QUESTION All-dorsal Scapholunate Reconstruction anchor placement order Answer: 1) Proximal pole of Scaphoid 2) Lunate 3) Distal pole of scaphoid QUESTION Guyon's canal contents and direction of retraction for ECTR Answer: Ulnar Nerve and Ulnar Artery Retract ulnarly QUESTION Centerline insertion location Answer: Proximal wrist flexion crease Ulnar to palmaris longus (or 2cm ulnar to FCR) Deep/dorsal to antebrachial fascia Aim towards base of ring finger QUESTION Ulnar nerve innervation Answer: Pinky and ulnar half of ring (dorsal and volar) QUESTION Median nerve innervation Answer: Volar/Palmar aspect of Thumb to radial half of 4th (ring) finger QUESTION Colles Fracture Characteristics Answer: Dorsally-displaced FOOSH mechanism (wrist in extension) Most common QUESTION Smith Fracture Characteristics Answer: Volarly-displaced opposite of FOOSH mechanism (wrist in flexion) Uncommon QUESTION Barton Fracture Characteristics Answer: Dorsal rim injury Carpal bones compress creating die-punch injury Always intra-articular resulting in carpal subluxation Fall on extended, pronated wrist QUESTION Arthrex distal plate profile Answer: 1.03 mm QUESTION Height of lister's tubercle Answer: 3.3 mm off Dorsal Cortex QUESTION Proper Distal Radius plate placement Answer: What procedures are commonly done in conjunction with Spring Ligament IB? (in descending order) Answer: 1) FDL Transfer to navicular (P -> D) 1) Resection of diseased Posterior Tibial Tendon 2) Medializing calc osteotomy 3) Gastroc recession 4) Cotton osteotomy (opening wedge med. cuneiform) 5) Lapidus (first metatarsocuneiform arthrodesis) 6) Lateral column lengthening calc osteotomy QUESTION When doing the blind-tunnel tenodesis technique, when should the surgeon measure the diameter of the tendon? Answer: after the tendon has been whipstitched** QUESTION A patient experiencing pain with shoe wear and swelling for several months located at posterior aspect of their heel is more likely to have what type of Achilles tendon disorder? A. Midsubstance achilles rupture B. Plantar Fasciitis C. Insertional Achilles Tendonitis D. Gastroc Strain Answer: C. Insertional Achilles Tendonitis QUESTION What two muscles make up your calf muscles and come together to form the achilles tendon? Answer: Gastrocnemius and Soleus QUESTION What area of the hand does the median nerve give sensory innervation? Answer: Palmar aspect of the thumb, index, long and radial half of the ring finger (Palmar radial side up to half the middle) QUESTION What physical exam test shows apositive result when the patient feels "zaps" to their fingertips as an examiner taps over the median nerve at the wrist? Answer: Tinel's test QUESTION Double compression plates are available in what sizes? Answer: 20mm, 25mm, 30mm QUESTION T/F: The most commonly used surgical procedure to treat hallux rigidus is a cheilectomy Answer: True QUESTION Which of the following terms is NOT used to describe the malposition of a fracture? A. Angulation B. Translation C. Shortening D. Comminution Answer: D. Comminution QUESTION What property of the fibulock nail opens the possibility of earlier return to weight bearing? Answer: It's a load sharing device QUESTION Which of the following can cause a lesser toe deformity? A. Long toes B. Inappropriate shoe wear C. Repeated hyperextension of the MTP joint D. All the above Answer: D. All the above QUESTION Which of the following toe deformities includes hyperextension of the MTP joint, flexion of the PIP joint, and flexion of the DIP joint? A. Hammer Toe B. Claw Toe C. Mallet Toe Answer: B. Claw Toe less than 9 degrees QUESTION The Metatarsophalangeal (MTP) fusion plate is pre-contoured to provide this final anatomical position: Answer: 8 degrees dorsiflexion and 5 degrees valgus QUESTION Which of the following products can be used for passing suture through the plantar plate in the CPR technique? A. Mini Scorpion DX suture passer B. Arthrex Viper C. Pigtail SutureLasso suture passer D. All of the above Answer: D. All of the above QUESTION The normal Hallux Valgus Angle (HVA) is: Answer: Less than 15 degrees QUESTION Define HVA Answer: Hallux Valgus Angle (normal < 15 degrees) The angle between first metatarsal and proximal phalanx QUESTION Define IMA Answer: Intermetatarsal Angle (normal < 9 degrees) The angle between first metatarsal shaft and second metatarsal shaft *more important for deciding what to do QUESTION What is considered mild, moderate, and severe subluxation of sesamoids? Answer: Mild < 50% uncoverage Moderate 50-75% uncoverage Severe > 75% QUESTION What are the two sizes for the retrofusion PIP joint arthrodesis implant? Answer: 20 and 24 mm QUESTION The surgeon should aim for the base of which finger when inserting the centerline carpal tunnel release into the carpal tunnel Answer: Ring QUESTION When using the RetroFusion PIP joint arthrodesis implant screw, final compression of the joint is accomplished by turning the screwdriver: Answer: Clockwise QUESTION T/F: Advantage of the mini-open surgical technique over ECTR is that the surgeon will have a better view of the transverse carpal ligament and the patient will enjoy a quicker return to activity Answer: False QUESTION A surgeon's start point with Fibulock is too lateral. What deformity at the fracture is possible? Answer: Varus QUESTION When tying the sutures over the proximal phalanx in the CPR technique, what position should you hold the toe in for correct anatomical placement? Answer: 10-15 degrees plantarflexion QUESTION What are the advertised sizes of the Compression FT Screw Line?