Orthotic ABC Exam Practice Questions Correct answers latest update

Orthotic ABC Exam Practice Questions Correct answers latest update How far should the HALO ring be above the ears and eyebrows? 1 cm On a HALO, do the headblocks go above or below the ring? Above On a pedatric HALO how much torque should be used on the pins? 1 in/lb per year On an adult HALO how much torque should be used on the pins? 8 in*lbs, 6 for older or osteoporotic On a HALO how how much torque should be used on the superstructure? 30 inlbs The functions of the tibialis posterior muscle are: Plantar flexion and inversion The distal aspect of the tibia articulated with the: talus and fibula Anterior compression fracture of the spine involves which column(s) Anterior Column Where does the adductor magnus insert? adductor tubercle At initial contact the body weight line is where in relation to the knee and ankle? posterior to the ankle and posterior to the knee The congenital abnormality of the spine in which one side of the vertebra is incompletely developed is: Hemivertebra The C-Bar on a hand orthosis acts as a : Thumb adduction stop What double adjustable configuration should be used for a pt with Fair (2/5) plantar flexion strength, and good (4/5) dorsiflexion strength? Anterior Pins and Posterior Springs In an AFO, trimming the footplate proximal to the met heads will MOST effect which rocker? the third rocker The Primary goal of a corrective scoliosis orthosis in the treatment of moderate adolescent idiopathic scoliosis is: to prevent progression of the curve The patient is experiencing recurrent positional posterior dislocation after hip replacement surgery. The Primary goal of a hip abduction orthosis is to block what? Hip flexion When fabricating a thermoplastic articulated AFO, the mechanical ankle joints should be placed at the level of the: Distal border of the medial maleolus The standard lateral inferior trimline for a single piece anterior opening custom LSO is: 2 cm or 3/4 inch superior to the greater trochanter While fitting a ground reaction AFO you observe good control of the patients knee in the agittel place however the patient complains they are having difficulty initiating swing on the side with the orthosis. The most appropriate modification would be : Add a 1/4 inch heel wedge underneath the AFO The main functional goal of a posterior off-set unlocked knee joint is to: Provide increased stability during stance (this is a better answer than to prevent buckling at initial contact) During the casting of an ambulatory child with CP for custom bilateral solid ankle AFOs you note that the right side lacks dorsiflexion range of motion (-5 degrees) with the knee extended. The MOST appropriate way to address this is: Cast in -5 degrees of dorsiflexion and plan to add an external heel wedge. At a follow up visit for a patient who was fit with bilateral solid ankle AFOs, you note redness at the navicular on the right side. What modifications should you make to the AFO? Add an ST pad and padding just superior to the medial maleolus A patient was fit with a pair of custom semi-rigid orthoses two weeks ago. They are now complaining of discomfort on the plantar aspect of their feet, just proximal to the 1st met heads. The MOST likely cause of this problem is what? Lack of relief for the flexor hallicus longus tendon. A patient with positional plagiocephaly has been wearing a custom cranial remolding orthosis for the past 8 months. The patient is not 15 months old and has outgornw the orthosis. The practitioner should expect the physician will: Discontinue orthotic treatment since the childs head growth has plateaued. You are seeing a patient who has recently relocated to the area. They are currently wearing a Cruciform Anterior Stabilization Hyperextension(CASH) orthosis. The patient states they cannot tolerate the orthosis due to pressure on an ostomy which is located at the midline of the abdomen, superior to the umbillicus. What is the best option to address this problem? Suggest switchin to a Jewett style orthosis. After providing a device to a Medicare beneficiary, the practitioner must provide any adjustments or repairs without charge for how long? 90 Days The rules relating to the safe use of potentially hazardous materials in the fabrication of orthoses are under the jurisdiction of what organization? Occupational Safety and Health Administration (OSHA) Infection control practices used to prevent transmission of diseases that can be acquired by contact with blood, bodily fluids, non-intact akin and mucous membranes are referred to as: Standard Precautions If the practitioners facility is designated as a participating supplier, this means that: You must accept the Medicare allowable amount as payment in full. The muscle that has the PRIMARY responsibility of rotating the thumb to touch the tips of the index and middle fingers is the : Opponens Pollicis What is the most important factor in decreasing the vertical loading of the lumbar spine? Enhancing the abdominal hydropneumatic mechanism In which of the following conditions is a Milwaukee CTLSO contraindicated? a. Skeletal immaturity, b. idiopathic scoliosis, c. thoracolumbar curves, d. curves greater than 60 degrees D. Curves greater than 60 degrees The measurement for a TLSO ( anterior hyperextension orthosis) should be taken with the patient in what position? Lying Supine Which of the following Orthoses is designed to manage spondylolisthesis in an active teenage? a. Corset, b. Knight, c. Jewitt, d. Anterior Overlap LSO d. Anterior Overlap LSO The trim lines of a ground reaction AFO should be anterior to the malleoli to serve as a : Dorsiflexion Stop The orthotic recommendation for treating a patient with an ulnar nerve lesion at the wrist is an opponens orthosis plus what component? MP stop When treating a patient with a knee flexion contracture, what is the most appropriate knee joint to use when designing a KAFO? Dial Lock Joint Facilities material safety data sheets should be: Read by all staff that uses the materials A patient who has relocated to your area comes in with a device fabricated at another orthotics and prosthetics facility. The patient is in our office because of discomfort and dissatisfaction with the overall fit. Upon evaluation you notice some minor fitting problems but the main problem is that the assembly of the device is structurally unsound. What should you do? Offer to provide immediate structural repais Carpal Tunnel Syndrome results from the compression of what nerve?