SLHS 4801 Final Exam Marking Scheme
SLHS 4801 Final Exam Marking Scheme Endogenous - ANSWER- genetic HL (w/in the genes) What percent of HLs are genetic? - ANSWER- about 50% Exogenous - ANSWER- acquired HL, non-genetic origin Syndromic HL - ANSWER- accompanied by other structures and systems Non-syndromic HL - ANSWER- not accompanied by other abnormalities can be genetic or non-genetic autosomal dominant - ANSWER- Deaf parent (Dd) Hearing parent (dd) produce 2 deaf children (Dd), and two hearing children (dd) autosomal recessive - ANSWER- carries parents (Rr) produce 1 hearing child (RR), two carrier children (Rr), and a deaf child (rr) X-linked - ANSWER- affected males, female carriers Mitochondrial - ANSWER- carried by females all offspring receive Pedigrees - ANSWER- the process of interpretation of the info displayed as a family tree. It is constructed using a standardized set of symbols and sill include information about the disease status of each individual. Congenital - ANSWER- born with it Prenatal - ANSWER- occurs before birth
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