Final exam practice questions.pdf

### **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!