*Not Finished* Sixth Orthotics Mock Exam Flashcards
The medial upright of a KAFO for an adult should terminate proximally…
a. at the transverse plane of the ischial tuberosity
b. 1.25 cm (1/2 in) distal to the greater trochanter
c. 3.8cm (1 1/2in) distal to the perineum
d. 7.6cm (3in) distal to the proximal border of the lateral upright.
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You are laying out a tracing for a KAFO and genu varum is evident. The mid-saggital line should extend from the perineum through a point…
a. 3.2 cm (1 1/4in) medial to the medial malleolus
b. 1.6cm (5/8in) medial to the medial malleolus
c. 3.2cm (1 1/4in) medial to the knee
d. 1.6 cm (5/8in) medial to the knee
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If the mechanical knee joint is placed too distal to the anatomic knee joint, what problem will result?
a. anterior pressure is increased on the thigh with the knee flexed
b. posterior pressure is increased on the thigh with the knee flexed
c. the patient lacks ability to flex the knee fully
d. the patient lacks ability to extend the knee fully
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The hip joint is most stable during stance when the weight line is…
a. anterior to the joint
b. posterior to the joint
c. medial to the joint
d. lateral to the joint
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The normal hip reaches maximum extension during….
a. push-off
b. midswing
c. heel-strike
d. mid-stance
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Which of the following is a purely sensory nerve?
a. obturator
b. tibial
c. femoral
d. saphenous
e. popliteal
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The pelvic band on an HKAFO should be located…
a. superior to the anterior superior iliac spine.
b. across the greater trochanter anterior to the symphysis pubis
c. between the anterior superior iliac spine and the crest of the ilium
d. midway between the iliac crest and the greater trochanter of the femur
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A metal single axis (free motion) orthotic hip joint will control all of the following motions at the hip except…
a. abduction
b. adduction
c. external rotation
d. internal rotation
e. extension
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An infant with bilateral dislocated hips is usually fitted with an orthosis that will hold the hips in…
a. extension and internal rotation
b. extension and abduction
c. flexion and internal rotation
d. flexion and abduction
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The major flexor muscle of the hip joint is the…
a. tensor fascia lata
b. sartorius
c. iliopsoas
d. rectus femoris
e. gracilis
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Which of the following does not cause hip hiking?
a. poor quadriceps strength
b. KAFO with knee locked in extension
c. contralateral limb shortened
d. knee ankylosis
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Where is the anatomical hip joint located in relation to the greater trochanter?
a. distal and anterior
b. distal and posterior
c. proximal and anterior
d. proximal and posterior
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What anatomical structure prevents excessive hip hyperextension?
a. rectus femoris muscle
b. iliopsoas muscle
c. sacro-spinous ligament
d. iliofemoral ligament
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To promote healing in a case of Legg-perthes’ disease, an orthosis should hold the hip joint in…
a. internal rotation and abduction
b. internal rotation and adduction
c. external rotation and abduction
d. external rotation and adduction
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KAFO’s are seldom prescribed for paraplegic patients with lesions above…
a. T12
b. L2
c. L3
d. L5
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The deformity caused by unilateral contracture of the sternocleidomastoid is known as…
a. Klippel-Feil syndrome
b. spondylolisthesis
c. torticollis
d. sprengel’s deformity
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A soft cervical collar is most effective in…
a. controlling rotation
b. unweighting the occiput
c. restricting head motion
d. minimizing forward flexion
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Which of the following muscles remain functional in a quadriplegic patient with a complete lesion below the C6 root?
a. abductor pollicis longus
b. extensor carpi radialis brevis
c. flexor carpi ulnaris
d. first dorsal interosseous
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The superior articulating surfaces of the atlas articulate with the…
a. occipital condyles
b. inion
c. axis
d. odontoid process
e. parietal bones
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The orthotic treatment indicated for a fracture of T3 is…
a. CTLSO (Milwaukee)
b. CTLSO (combination Taylor-cervical orthosis)
c. CTO (SOMI)
d. TLSO (Boston
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Which of the following offers the greatest immobilization for a fracture of the odontoid?
a. four poster orthosis attached to a body jacket
b. SOMI with head band
c. halo jacket
d. Milwaukee CTLSO
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When casting for the milwaukee CTLSO, the patient’s pelvis should be in what position?
a. oblique
b. flexed
c. neutral
d. extended
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The theory of the CTLSO with throat mold and occipultal pads (Milwaukee brace) when treating scoliosis is that the latera pressure must be coupled with…
a. firm mandibular pressure
b. active distraction
c. passive extension
d. decreased abdominal pressure
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In which of the following conditions is a Milwaukee CTLSO not recommended?
a. skeletal immaturity
b. idiopathic scoliosis
c. thoracolumbar curves
d. curve greater than 60 degrees
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The measurements for a TLSO (anterior hyperextension orthosis) should be taken with the patient in what position?
a. standing erect
b. sitting erect
c. lying prone
d. lying supine
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Anterior displacement of one vertebra on the next inferior vertebra is called…
a. spondylolysis
b. spondylosis
c. spondylitis
d. spondylolisthesis
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The primary purpose of the axillary straps on a TLSO (Taylor orthosis) is to resist…
a. inferior displacement of the orthosis
b. scapular adduction
c. shoulder girdle and thoracic motion
d. thoracic extension
e. glenohumeral motion
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During which phase of locomotion is antero-rotary instability of the knee most evident?
a. heel-strike
b. mid-stance
c. heel-off
d. push-off
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For an adult of average height, the knee joint in a KAFO should be located…
a. 1.9 cm (3/4”) proximal to the medial tibial plateau
b. 1.9 cm (3/4”) proximal to the apex of the head of the fibula
c. 3.8 cm (1 1/2”) proximal to the medial tibial plateau
d. 3.8 (1 1/2”) proximal to the head of the fibula
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A patient wearing a metal KAFO demonstrates excessive knee flexion when standing. To correct this problem, the orthotist should deepen the…
a. proximal thigh band
c. distal thigh band
c. calf band
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When reducing a knee flexion contracture with an orthosis, the major problem to watch for is…
a. posterior subluxation of the tibia on the femur
b. anterior subluxation of the tibia on the femur
c. lateral displacement of the patella
d. medial displacement of the patella
Answer coming soon
The orthosis of choice for a patient with good hip control but fair minus quadriceps is…
a. KAFO with free knee and locked ankle
b. KAFO with free knee and free ankle
c. AFO with dorsiflexion assist
d. AFO with dorsiflexion stop
Answer coming soon
Which nerve innervates the sartorius muscle of the thigh?
a. femoral
b. obturator
c. sciatic
d. gluteal
e. peroneal
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The obturator nerve innervates what muscle?
a. semitendinosus
b. adductor longus
c. illiopsoas
d. tensor fasciae latae
e. gluteus maximus
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What is the major function of a parapodium?
a. corrects spinal curvatures
b. improves sitting balance
c. prevents hip deformity
d. stabilizes the lower limbs and spine
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Which of the following KAFO modifications does not help control genu recurvatum?
a. moving distal thigh and calf bands closer to knee center
b. lowering proximal thigh band
c. reducing depth of distal thigh band
d. adding posterior plastic thigh and calf shells.
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Anterioposterior instability of the knee is caused by a tear of which of the following ligaments?
a. collateral
b. iliofemoral
c. cruciate
d. tibiofibular
c. cruciate
Fracture bracing is not indicated for…
a. fractures of the proximal third of the tibia
b. tibial plateau fractures
c. intertrochanteric fractures
d. fractures of the mid shaft of the femur
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What function should the knee component provide in a cast brace following repair of a torn anterior cruciate ligament?
a. slight varus stress
b. slight valgus stress
c. prevent full flexion
d. prevent full extension
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Which of the following would be the best orthosis for a patient with a complete neurologic lesion just below T12?
a. KAFO with double stop ankle joint
b. KAFO with anterior stop at ankle
c. AFO with double stop ankle joint
d. AFO with anterior stop at ankle
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A complete lesion of the femoral nerve at the level of the inguinal ligament would affect…
a. knee flexion
b. knee extension
c. hip flexion
d. hip extension
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All of the following are functions of the UCBL foot orthosis except…
a. correct hallux valgus
b. corrects pes planus
c. holds the calcaneus in a neutral position
d. adducts the forefoot
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Compared to the Balmoral style, the major advantage of the Blucher style shoe is…
a. easier doning
b. reduced piston action
c. greater ML support
d. increased base of support
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Pes cavus is a condition in which the foot has a…
a. high longitudinal arch
b. flat longitudinal arch
c. hindfoot varus
d. hindfoot valgus
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The subtalar joint is an articulation between the talus and the…
a. navicular
b. tibia
c. cuboid
d. calcaneus
e. second cuneiform
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Reverse last or “outflare” shoes are generally prescribed to control…
a. forefoot abduction
b. forefoot adduction
c. hindfoot varus
d. hindfoot valgus
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All the following are objectives in the treatment of pes cavus except…
a. distribute weght over entire foot
b. resist tendency of foot to pronate
c. balance hindfoot-forefoot pressures
d. reduce load on metatarsal heads
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Where should a metatarsal pad be located?
a. proximal to the metatarsal heads
b. distal to the metatarsal heads
c. lateral to the metatarsal heads
d. medial to the metatarsal heads.
a. proximal to the metatarsal heads
Which of the following shoe modifications is designed to simulate dorsiflexion?
a. SACH heel
b. metatarsal bar
c. rocker bar
d. reverse thomas heel
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The wire coil spring AFO is generally contraindicated for patients with moderate gastrocnemius spasticity because of…
a. restricted ML motion in ankle
b. reduced eversion during swing phase of gait
c. increased extension moment at the knee
d. inducted reflex contraction of the muscle
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All of the following muscles pass directly posterior to the medial malleolus except the…
a. peroneus longus
b. flexor halucis longus
c. tibialis posterior
d. flexor digitorum longus
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Which of the following adjustments to a metal AFO would best accommodate 1 1/2” of tibial torsion?
a. rotation of the shoe on stirrup
b. deflexion of stirrup extensions
c. wedging between stirrup and sole of shoe
d. increased clearance at stirrup and lateral malleolus
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corrugations are incorporated in plastic orthotic designs to…
a. add rigidity
b. permit air circulation
c. establish trim lines
d. facilitate vacuum forming
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The major weight bearing areas of a PTB orthosis are the patellar tendon and the…
a. distal border of patella
b. popliteal fossa
c. pretibial compartment
d. medial tibial flare
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The major problem with using torsion shafts (twisters) to correct for excess rotation of the leg is…
a. discomfort in sitting
b. difficulty with localizing rotary forces
c. obtaining adequate reaction points
d. difficulty with donning and doffing
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Inversion and eversion of the hind foot occur at which of the following joints…
a. ankle
b. subtalar
c. mid-tarsal
d. tarsal metatarsal
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When selecting an AFO for a patient who demonstrates both knee instability at heel strike and genu recurvatum at mid stance, the most effective ankle joint to use would be:
a. dorsiflexion stop
b. plantar flexion stop
c. solid ankle
d. free ankle
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When a 120 pound man is standing normally, how much weight is borne on his left first metatarsal head?
a. 10 pounds
b. 20 pounds
c. 40 pounds
d. 60 pounds
e. 120 pounds
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Which of the following is the primary purpose of the PTB orthosis?
a. control ankle varus
b. reduce weight bearing through the tibia
c. prevent genu recurvatum
d. provide ML stability at the knee
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Loss of power in the gastrocnemius soleus group indicates injury to which of the following nerves?
a. deep peroneal
b. superficial peroneal
c. sural
d. tibial
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