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Questions and Answers
Which of the following is a characteristic of Erb-Duchenne paralysis?
Which of the following is a characteristic of Erb-Duchenne paralysis?
- Internal rotation of the shoulder, extended elbow, pronated forearm (correct)
- External rotation of the shoulder, flexed elbow, supinated forearm
- Adduction of the shoulder, flexed elbow, pronated forearm
- Abduction of the shoulder, extended elbow, pronated forearm
What is the most common type of obstetric trauma related to Erb-Duchenne paralysis?
What is the most common type of obstetric trauma related to Erb-Duchenne paralysis?
- In uterus; premature birth
- In uterus; breech presentation
- In uterus; prolonged labor
- In uterus; dystocia (correct)
Which condition is associated with physical deformity, ultrasound, and X-ray, and typically heals in 1 week with non-operative treatment?
Which condition is associated with physical deformity, ultrasound, and X-ray, and typically heals in 1 week with non-operative treatment?
- Limb Length Discrepancy
- Osteochondrosis
- Varus/valgus deformity
- Clavicle fracture (correct)
Which type of inheritance is associated with Osteogenesis imperfecta and Achondroplasia?
Which type of inheritance is associated with Osteogenesis imperfecta and Achondroplasia?
Which foot deformity is characterized by cavus, hindfoot varus, plantarflexion of the 1st ray, and forefoot adduction?
Which foot deformity is characterized by cavus, hindfoot varus, plantarflexion of the 1st ray, and forefoot adduction?
What is the treatment for limb length discrepancy based on the degree of discrepancy?
What is the treatment for limb length discrepancy based on the degree of discrepancy?
What is the normal alignment for the lateral distal femoral angle in children?
What is the normal alignment for the lateral distal femoral angle in children?
Which condition involves a disorder of bone growth primarily involving the ossification centers and shows radiological progression from metallization to fragmentation and regeneration?
Which condition involves a disorder of bone growth primarily involving the ossification centers and shows radiological progression from metallization to fragmentation and regeneration?
What is the most common birth defect associated with the foot deformities described in the text?
What is the most common birth defect associated with the foot deformities described in the text?
What is the characteristic deformity of planovalgus foot?
What is the characteristic deformity of planovalgus foot?
What is the diagnosis for the presence of a genu valgum after 8 years old?
What is the diagnosis for the presence of a genu valgum after 8 years old?
What is the treatment for metatarsus adductus?
What is the treatment for metatarsus adductus?
Which of the following diseases involves defective osteoclastic resorption leading to bone fractures and hematopoietic defects?
Which of the following diseases involves defective osteoclastic resorption leading to bone fractures and hematopoietic defects?
Which syndrome presents with joint hypermobility and fragile skin due to collagen forming gene mutations?
Which syndrome presents with joint hypermobility and fragile skin due to collagen forming gene mutations?
What is the characteristic of Developmental Dysplasia of the Hip (DDH)?
What is the characteristic of Developmental Dysplasia of the Hip (DDH)?
Which disease results from insufficient mineralization of the osteoid due to Vit D deficiency?
Which disease results from insufficient mineralization of the osteoid due to Vit D deficiency?
What is the main cause of Osteogenesis imperfecta?
What is the main cause of Osteogenesis imperfecta?
Which disease is characterized by long bone bowing and ligamentous laxity due to inadequate calcium and phosphate?
Which disease is characterized by long bone bowing and ligamentous laxity due to inadequate calcium and phosphate?
Which of the following is a connective tissue disorder with skeletal abnormalities and cardiovascular and ocular abnormalities?
Which of the following is a connective tissue disorder with skeletal abnormalities and cardiovascular and ocular abnormalities?
What type of ossification processes are involved in Osteogenesis?
What type of ossification processes are involved in Osteogenesis?
What is the incidence of Developmental Dysplasia of the Hip (DDH)?
What is the incidence of Developmental Dysplasia of the Hip (DDH)?
Which disease involves bone matrix deposition and reabsorption by osteoblasts and osteoclasts?
Which disease involves bone matrix deposition and reabsorption by osteoblasts and osteoclasts?
What is the characteristic of Osteopetrosis?
What is the characteristic of Osteopetrosis?
Which disease is characterized by abnormal collagen resulting in fragility fractures and scoliosis?
Which disease is characterized by abnormal collagen resulting in fragility fractures and scoliosis?
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Study Notes
Congenital Bone Diseases and Developmental Dysplasia of the Hip
- Congenital diseases include Dominant X-Linked Hypophosphatemic rickets, Rett syndrome, and Recessive X-Linked Duchenne Muscular Dystrophy.
- Bone metabolism diseases involve Rickets, Osteomalacia, Osteogenesis imperfecta, and Osteopetrosis.
- Osteogenesis involves Intramembranous and Endochondral ossification processes.
- Bone metabolism includes osteoblasts and osteoclasts functions in bone matrix deposition and reabsorption.
- Rickets is characterized by long bone bowing and ligamentous laxity due to inadequate calcium and phosphate.
- Osteomalacia results from insufficient mineralization of the osteoid due to Vit D deficiency.
- Osteogenesis imperfecta is caused by abnormal collagen resulting in fragility fractures and scoliosis.
- Osteopetrosis involves defective osteoclastic resorption leading to bone fractures and hematopoietic defects.
- Marfan syndrome is a connective tissue disorder with skeletal abnormalities and cardiovascular and ocular abnormalities.
- Ehlers-Danlos syndrome presents with joint hypermobility and fragile skin due to collagen forming gene mutations.
- Hip-related diseases in children include Developmental Dysplasia of the Hip, transient synovitis, Perthes disease, and S.U.F.E.
- Developmental Dysplasia of the Hip (DDH) is characterized by dysplasia, subluxation, and possible dislocation of the hip, with an incidence of 1-20%.
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