Asked by Jenny Beattie on May 07, 2024
Verified
George is a 10-year-old new patient who was brought to the office by his father because George's teacher noted that George may have a hearing impairment. While taking George's history, you note that he has a rather flat face with slanting eyes, and his tongue protrudes slightly. He appears to have poor muscle tone, and when you ask him a question, his father answers for him. Although his father has not indicated that George suffers from any particular disorder, from your observations you may suspect that George has ____.
A) cystic fibrosis
B) fragile X syndrome
C) Down syndrome
D) hemophilia
E) Klinefelter's syndrome
Hearing Impairment
A partial or total inability to hear sounds in one or both ears.
Down Syndrome
A genetic disorder caused by the presence of all or part of a third copy of chromosome 21, characterized by physical growth delays, characteristic facial features, and mild to moderate intellectual disability.
- Identify common genetic disorders and their phenotypic manifestations.
Verified Answer
AW
Avery WestbrooksMay 10, 2024
Final Answer :
C
Explanation :
George's described features, such as a flat face, slanting eyes, protruding tongue, and poor muscle tone, are characteristic of Down syndrome, a genetic disorder caused by the presence of all or part of a third copy of chromosome 21.
Learning Objectives
- Identify common genetic disorders and their phenotypic manifestations.
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