Quiz Answer Key and Fun Facts
1. What is the name of the defective gene responsible for Treacher Collins Syndrome?
2. In which of these craniofacial disorders is one side of the face substantially smaller than the other?
3. What shape does the skull take on in Kleeblattschadel?
4. "Mitten hands," or a webbing of several adjacent fingers, is common to which craniofacial anomaly?
5. In the United States, the total incidence of craniosynostosis (premature closure of cranial sutures) is about 0.04%. Which suture is the most commonly fused?
6. Distraction osteogenesis, the technique by which an unusually tiny jaw is lengthened, was first used to combat bone problems in the leg by a doctor from what country?
7. In which disease would you find an afflicted male with a small head, deep-set eyes, a bulbous nose, broad eyebrows, redundant skin, and cartilaginous prominences over the surface of various bones?
8. While most craniofacial anomalies result from premature closure of the sutures, there is a condition in which the sutures close much later than would be expected. Perhaps the most well-known case involves a Chinese immigrant in South Africa who had seven wives, passing on this bizarre disorder to many of his offspring. What was his name?
9. In what group of people is the retention of the metopic suture (runs straight down the forehead) most prevalent?
10. The first discussion of craniosynostoses was published by von Sömmering in the latter part of which century?
Source: Author
napkintosh
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crisw before going online.
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