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CHT Exam Prep - Congenital Abnormalities Amputations Prosthetics Questions And Answers Latest Update 2024
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A genetic disorder characterized by bones that break easily, often times with little or no apparent cause - correct answers Osteogenesis imperfecta (OI) A genetic or hereditary condition which is characterized by congenital joint contractures - correct answers Arthrogryposis multiplex congenita What is syndactyly? - correct answers Webbing between adjacent digits
Painless flexion contracture at the PIP joint (most common is SF) - correct answers camptodactyly Refers to fingers that are angled in the radial/ulnar plane (most commonly in the SF) where angulation is is seen occurring distal to MCP and deviates toward RF - correct answers Clinodactyly *deviation beyond 10 degrees is considered significant Hand with short or hypoplastic fingers - correct answers Brachydactyly May consist of a wide variety of presentations but always includes the absence of the sternal of of pec major and a hypoplastic hand with some webbing between the fingers
What type of prosthesis? Unique option that combines body and electrically powered components - correct answers Hybrid *generally the elbow is body powered (manual lock or passive friction) and the hand is electrically powered What tool would you use to assess the signal strength of potential muscle groups to determine electrode placement for prosthesis? - correct answers Myotester *first perform on sound side then side of amputation Patient using a prosthesis has achieved functional wearing use when wearing the prosthesis for how many hours daily? - correct answers 8 Thumb that is short and angulated. First webspace is deficient and as a result the thumb must be separated early to allow for function - correct answers Apert's thumb A thumb that is flexed and adducted - correct answers Congenital clasped thumb *also referred to as thumb-clutched hand Rare anomaly in which the MCP is hyperextended and IP is hyperflexed - correct answers Retroflexible thumb
Non random association of birth defects affecting multiple systems of the body - correct answers VACTERL syndrome Vertebral, Anal atresia (no opening), Cardiac defects, Tracheal anomalies, Esophageal atresia, Renal and radial side hand/forearm deficiencies, other Limb abnormalities Rare condition that is present at birth and presents with port wine stains, excess growth of bones and soft tissue, varicose veins - correct answers Klippel Trenaunay syndrome Disorder affecting some TBI survivors, which causes ANS changes, such as HR, diaphoresis (sweating), respiration, and/or prolonged muscle posturing - correct answers Autonomic storming What does amelia mean? - correct answers Congenital absence of one or more limbs What is transverse amelia? - correct answers (forequarter amputation) all or majority of UE is missing from the shoulder and distally What is transverse hemimelia? - correct answers (below elbow amputation) all or majority of UE is missing from the elbow and distally
How does a patient with a transhumeral amputation lock and unlock a mechanical elbow device? - correct answers Shoulder depression, extension, and abduction of involved extremity Formation of new bone on the surface of a bone - correct answers Exostosis