Week 13 Skeletal Dysplasias Practice Questions PDF
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This document contains practice questions on skeletal dysplasias, common conditions like achondroplasia and osteogenesis imperfecta. The questions cover various aspects of the conditions, including diagnostic characteristics, inheritance patterns, and clinical features. This document is likely part of a medical course or textbook.
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### **Week 13 Skeletal Dysplasias** 1. **Which skeletal dysplasia is characterized by "champagne glass pelvis"?** - A) Achondroplasia - B) Cleidocranial dysostosis - C) Marfan's syndrome - D) Osteogenesis imperfecta **Correct Answer: A** [oai_citation:1,Week 13 Skeletal Dysplasias.pdf](fi...
### **Week 13 Skeletal Dysplasias** 1. **Which skeletal dysplasia is characterized by "champagne glass pelvis"?** - A) Achondroplasia - B) Cleidocranial dysostosis - C) Marfan's syndrome - D) Osteogenesis imperfecta **Correct Answer: A** [oai_citation:1,Week 13 Skeletal Dysplasias.pdf](file-service://file- DgT4LTppp3J7t9q9ZSUO2cEC) 2. **What is the most common congenital dwarfism?** - A) Osteogenesis imperfecta - B) Achondroplasia - C) Marfan's syndrome - D) Cleidocranial dysostosis **Correct Answer: B** [oai_citation:2,Week 13 Skeletal Dysplasias.pdf](file-service://file- DgT4LTppp3J7t9q9ZSUO2cEC) 3. **Which condition is associated with a trident hand?** - A) Achondroplasia - B) Cleidocranial dysostosis - C) Marfan's syndrome - D) Osteogenesis imperfecta **Correct Answer: A** [oai_citation:3,Week 13 Skeletal Dysplasias.pdf](file-service://file- DgT4LTppp3J7t9q9ZSUO2cEC) 4. **What is a typical feature of cleidocranial dysostosis?** - A) Normal clavicles - B) Hypoplastic or absent clavicles - C) Thickened clavicles - D) Clavicular hypertrophy **Correct Answer: B** [oai_citation:4,Week 13 Skeletal Dysplasias.pdf](file-service://file- DgT4LTppp3J7t9q9ZSUO2cEC) 5. **Which syndrome is characterized by arachnodactyly?** - A) Marfan's syndrome - B) Achondroplasia - C) Osteogenesis imperfecta - D) Cleidocranial dysostosis **Correct Answer: A** [oai_citation:5,Week 13 Skeletal Dysplasias.pdf](file-service://file- DgT4LTppp3J7t9q9ZSUO2cEC) 6. **What condition is known for multiple wormian bones?** - A) Achondroplasia - B) Cleidocranial dysostosis - C) Osteogenesis imperfecta - D) Marfan's syndrome **Correct Answer: B** [oai_citation:6,Week 13 Skeletal Dysplasias.pdf](file-service://file- DgT4LTppp3J7t9q9ZSUO2cEC) 7. **Which skeletal dysplasia has a feature called "Steinberg sign"?** - A) Achondroplasia - B) Cleidocranial dysostosis - C) Marfan's syndrome - D) Osteogenesis imperfecta **Correct Answer: C** [oai_citation:7,Week 13 Skeletal Dysplasias.pdf](file-service://file- DgT4LTppp3J7t9q9ZSUO2cEC) 8. **What type of inheritance pattern is seen in osteogenesis imperfecta?** - A) Autosomal recessive - B) X-linked recessive - C) Autosomal dominant - D) Mitochondrial **Correct Answer: C** [oai_citation:8,Week 13 Skeletal Dysplasias.pdf](file-service://file- DgT4LTppp3J7t9q9ZSUO2cEC) 9. **Which condition may present with blue sclerae and brittle teeth?** - A) Achondroplasia - B) Osteogenesis imperfecta - C) Cleidocranial dysostosis - D) Marfan's syndrome **Correct Answer: B** [oai_citation:9,Week 13 Skeletal Dysplasias.pdf](file-service://file- DgT4LTppp3J7t9q9ZSUO2cEC) 10. **What is the most common cause of death in severe congenital osteogenesis imperfecta?** - A) Cardiac failure - B) Respiratory failure - C) Intracranial hemorrhage - D) Renal failure **Correct Answer: C** [oai_citation:10,Week 13 Skeletal Dysplasias.pdf](file- service://file-DgT4LTppp3J7t9q9ZSUO2cEC) 11. **What is a major clinical feature of Nail-Patella syndrome?** - A) Dysplastic fingernails - B) Prominent forehead - C) Arachnodactyly - D) Large head with small face **Correct Answer: A** [oai_citation:11,Week 13 Skeletal Dysplasias.pdf](file- service://file-DgT4LTppp3J7t9q9ZSUO2cEC) 12. **Which condition is associated with the "bone within a bone" appearance?** - A) Osteogenesis imperfecta - B) Osteopetrosis - C) Achondroplasia - D) Cleidocranial dysostosis **Correct Answer: B** [oai_citation:12,Week 13 Skeletal Dysplasias.pdf](file- service://file-DgT4LTppp3J7t9q9ZSUO2cEC) 13. **In which condition is "candle wax dripping" a radiologic feature?** - A) Osteopetrosis - B) Melorheostosis - C) Osteopoikilosis - D) Achondroplasia **Correct Answer: B** [oai_citation:13,Week 13 Skeletal Dysplasias.pdf](file- service://file-DgT4LTppp3J7t9q9ZSUO2cEC) 14. **Which skeletal dysplasia is characterized by bilateral lens dislocation?** - A) Achondroplasia - B) Osteogenesis imperfecta - C) Marfan's syndrome - D) Cleidocranial dysostosis **Correct Answer: C** [oai_citation:14,Week 13 Skeletal Dysplasias.pdf](file- service://file-DgT4LTppp3J7t9q9ZSUO2cEC) 15. **Which syndrome involves small or absent patellae?** - A) Nail-Patella syndrome - B) Marfan's syndrome - C) Osteogenesis imperfecta - D) Cleidocranial dysostosis **Correct Answer: A** [oai_citation:15,Week 13 Skeletal Dysplasias.pdf](file- service://file-DgT4LTppp3J7t9q9ZSUO2cEC) 16. **What radiographic feature is typical in Osteopoikilosis?** - A) Diffuse sclerosis - B) "Bone within a bone" - C) Multiple small radiopacities - D) Metaphyseal cupping **Correct Answer: C** [oai_citation:16,Week 13 Skeletal Dysplasias.pdf](file- service://file-DgT4LTppp3J7t9q9ZSUO2cEC) 17. **What is the most common type of osteogenesis imperfecta?** - A) Type I - B) Type II - C) Type III - D) Type IV **Correct Answer: A** [oai_citation:17,Week 13 Skeletal Dysplasias.pdf](file- service://file-DgT4LTppp3J7t9q9ZSUO2cEC) 18. **Which condition is also known as "Marble bone disease"?** - A) Osteogenesis imperfecta - B) Osteopetrosis - C) Achondroplasia - D) Cleidocranial dysostosis **Correct Answer: B** [oai_citation:18,Week 13 Skeletal Dysplasias.pdf](file- service://file-DgT4LTppp3J7t9q9ZSUO2cEC) 19. **What is a hallmark feature of achondroplasia on x-ray?** - A) Wide vertebral bodies - B) Narrowing of the interpedicular distance - C) Increased bone density - D) Spinal fusion **Correct Answer: B** [oai_citation:19,Week 13 Skeletal Dysplasias.pdf](file- service://file-DgT4LTppp3J7t9q9ZSUO2cEC) 20. **Which disorder includes "protrusio acetabuli" as a common feature?** - A) Marfan's syndrome - B) Achondroplasia - C) Cleidocranial dysostosis - D) Nail-Patella syndrome **Correct Answer: A** [oai_citation:20,Week 13 Skeletal Dysplasias.pdf](file- service://file-DgT4LTppp3J7t9q9ZSUO2cEC) 21. **Which condition is characterized by a failure of osteoclast function?** - A) Osteogenesis imperfecta - B) Cleidocranial dysostosis - C) Osteopetrosis - D) Achondroplasia **Correct Answer: C** [oai_citation:21,Week 13 Skeletal Dysplasias.pdf](file- service://file-DgT4LTppp3J7t9q9ZSUO2cEC) 22. **Which condition can present with a "pencil-thin cortices"?** - A) Osteogenesis imperfecta - B) Achondroplasia - C) Cleidocranial dysostosis - D) Marfan's syndrome **Correct Answer: A** [oai_citation:22,Week 13 Skeletal Dysplasias.pdf](file- service://file-DgT4LTppp3J7t9q9ZSUO2cEC) 23. **What radiologic sign is associated with "Sandwich vertebra"?** - A) Achondroplasia - B) Osteopetrosis - C) Osteogenesis imperfecta - D) Cleidocranial dysostosis **Correct Answer: B** [oai_citation:23,Week 13 Skeletal Dysplasias.pdf](file- service://file-DgT4LTppp3J7t9q9ZSUO2cEC) 24. **Which condition often shows hypermobile joints and cardiovascular abnormalities?** - A) Marfan's syndrome - B) Achondroplasia - C) Cleidocranial dysostosis - D) Nail-Patella syndrome **Correct Answer: A** [oai_citation:24,Week 13 Skeletal Dysplasias.pdf](file- service://file-DgT4LTppp3J7t9q9ZSUO2cEC) 25. **In osteogenesis imperfecta, what is a common clinical feature?** - A) Thick skin - B) Brittle bones - C) Large hands - D) Tall stature **Correct Answer: B** [oai_citation:25,Week 13 Skeletal Dysplasias.pdf](file- service://file-DgT4LTppp3J7t9q9ZSUO2cEC) 26. **Which condition is characterized by "metaphyseal cupping"?** - A) Cleidocranial dysostosis - B) Achondroplasia - C) Marfan's syndrome - D) Osteopetrosis **Correct Answer: B** [oai_citation:26,Week 13 Skeletal Dysplasias.pdf](file- service://file-DgT4LTppp3J7t9q9ZSUO2cEC) 27. **Which syndrome is associated with "congenital lumbar stenosis"?** - A) Achondroplasia - B) Marfan's syndrome - C) Osteogenesis imperfecta - D) Cleidocranial dysostosis **Correct Answer: A** [oai_citation:27,Week 13 Skeletal Dysplasias.pdf](file- service://file-DgT4LTppp3J7t9q9ZSUO2cEC) 28. **Which skeletal dysplasia is linked with "arachnodactyly"?** - A) Achondroplasia - B) Marfan's syndrome - C) Cleidocranial dysostosis - D) Nail-Patella syndrome **Correct Answer: B** [oai_citation:28,Week 13 Skeletal Dysplasias.pdf](file- service://file-DgT4LTppp3J7t9q9ZSUO2cEC) 29. **Which disorder can present with "spatulated" pelvis?** - A) Osteopetrosis - B) Cleidocranial dysostosis - C) Achondroplasia - D) Marfan's syndrome **Correct Answer: C** [oai_citation:29,Week 13 Skeletal Dysplasias.pdf](file- service://file-DgT4LTppp3J7t9q9ZSUO2cEC) 30. **Which condition may present with multiple epiphyseal abnormalities?** - A) Achondroplasia - B) Osteogenesis imperfecta - C) Cleidocranial dysostosis - D) Multiple epiphyseal dysplasia **Correct Answer: D** [oai_citation:30,Week 13 Skeletal Dysplasias.pdf](file- service://file-DgT4LTppp3J7t9q9ZSUO2cEC) 31. **In which disorder is "vertebral scalloping" a common feature?** - A) Osteogenesis imperfecta - B) Marfan's syndrome - C) Cleidocranial dysostosis - D) Achondroplasia **Correct Answer: B** [oai_citation:31,Week 13 Skeletal Dysplasias.pdf](file- service://file-DgT4LTppp3J7t9q9ZSUO2cEC) 32. **What is the typical life expectancy in the mildest form of osteogenesis imperfecta (Type I)?** - A) Decreased significantly - B) Normal life expectancy - C) Decreased only in childhood - D) Extended life expectancy **Correct Answer: B** 33. **Which condition is characterized by multiple small radiopacities scattered in epiphyseal and metaphyseal regions?** - A) Osteopoikilosis - B) Melorheostosis - C) Osteopathia Striata - D) Osteogenesis imperfecta **Correct Answer: A** 34. **Which condition is associated with the presence of iliac horns?** - A) Nail-Patella syndrome - B) Marfan's syndrome - C) Achondroplasia - D) Cleidocranial dysostosis **Correct Answer: A** 35. **Which skeletal dysplasia features "acromelic dysplasia"?** - A) Osteogenesis imperfecta - B) Cleidocranial dysostosis - C) Achondroplasia - D) Marfan's syndrome **Correct Answer: C** This concludes the set of 35 multiple-choice questions for each file. Let me know if you need anything else!
