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Questions and Answers
What primarily covers the medial surface of the tibia?
What primarily covers the medial surface of the tibia?
- Muscle tissue
- Bone tissue
- Connective tissue
- Skin and superficial fascia (correct)
What is a significant consequence of a fracture in the distal third of the tibia?
What is a significant consequence of a fracture in the distal third of the tibia?
- Destruction of the surrounding cartilage
- Increased growth of bone callus
- Tearing of the nutrient artery at the fracture line (correct)
- Immediate union of fracture fragments
Why are fractures in the distal third of the tibia prone to delayed union?
Why are fractures in the distal third of the tibia prone to delayed union?
- Weakness of the surrounding muscles
- High mechanical stress on the bone
- Lack of blood supply to the fracture site (correct)
- Presence of multiple fracture lines
What characteristic of the distal third of the tibia contributes to fracture complications?
What characteristic of the distal third of the tibia contributes to fracture complications?
Which of the following statements about the distal tibial fracture site is accurate?
Which of the following statements about the distal tibial fracture site is accurate?
What demographic group is most commonly affected by fractures of the femoral neck?
What demographic group is most commonly affected by fractures of the femoral neck?
What anatomical structure does the tibia articulate with that contributes to its role in weight bearing?
What anatomical structure does the tibia articulate with that contributes to its role in weight bearing?
What type of fracture is commonly associated with the femoral neck?
What type of fracture is commonly associated with the femoral neck?
Which of the following bones does the fibula articulate with distally?
Which of the following bones does the fibula articulate with distally?
What role does the anatomical structure of the tibia serve in the body?
What role does the anatomical structure of the tibia serve in the body?
Which of the following conditions contributes to an increased risk of femoral neck fractures?
Which of the following conditions contributes to an increased risk of femoral neck fractures?
What is a common reason for high incidence of open fractures?
What is a common reason for high incidence of open fractures?
Which of the following structures is involved in the anatomical relationship between the tibia and fibula?
Which of the following structures is involved in the anatomical relationship between the tibia and fibula?
What bone does the Achilles tendon insert on?
What bone does the Achilles tendon insert on?
Which route can be used for fluid and medication administration if intravenous access cannot be obtained in pediatric patients?
Which route can be used for fluid and medication administration if intravenous access cannot be obtained in pediatric patients?
Which part of the talus is most prone to developing osteonecrosis?
Which part of the talus is most prone to developing osteonecrosis?
What surface does the Achilles tendon insert onto?
What surface does the Achilles tendon insert onto?
What is the primary reason for choosing intraosseous infusion for medication delivery in pediatric patients?
What is the primary reason for choosing intraosseous infusion for medication delivery in pediatric patients?
What is the most common condition associated with osteonecrosis of the talus?
What is the most common condition associated with osteonecrosis of the talus?
What does the term 'intraosseous' refer to in medical procedures?
What does the term 'intraosseous' refer to in medical procedures?
Which anatomical structure is primarily involved in the function of the Achilles tendon?
Which anatomical structure is primarily involved in the function of the Achilles tendon?
What is the name of the small depression located in the femoral head?
What is the name of the small depression located in the femoral head?
Which ligament attaches to the fovea capitis?
Which ligament attaches to the fovea capitis?
What is the primary blood supply to the femoral neck?
What is the primary blood supply to the femoral neck?
What condition is likely to develop if the medial femoral circumflex artery is injured?
What condition is likely to develop if the medial femoral circumflex artery is injured?
Which of the following statements about the fovea capitis is true?
Which of the following statements about the fovea capitis is true?
Which artery, if compromised, would most likely lead to complications in the femoral neck?
Which artery, if compromised, would most likely lead to complications in the femoral neck?
What is a potential consequence of a fracture affecting the blood supply of the femoral neck?
What is a potential consequence of a fracture affecting the blood supply of the femoral neck?
Which of the following is not a function of the medial femoral circumflex artery?
Which of the following is not a function of the medial femoral circumflex artery?
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Study Notes
Lower Limb Skeletal System
- The small depression in the femoral head is known as the fovea capitis.
- The ligament of the head attaches to the fovea capitis, providing stability.
- The primary blood supply to the femoral neck is from the medial femoral circumflex artery.
- Injury to this artery, such as in a fracture, can lead to vascular necrosis of the femoral head.
- Femoral neck fractures are commonly seen in postmenopausal women due to osteoporosis.
- The tibia articulates with both the femur and the fibula, playing a key role in weight-bearing activities.
- Between the tibia and fibula, the tibia bears most of the weight during movement.
- Open fractures frequently occur in the shaft of the tibia due to inadequate protection by skin and fascia.
- Fractures in the distal third of the tibia may result in delayed union or non-union because the nutrient artery can be compromised.
- If intravenous access cannot be obtained in pediatric patients, use intraosseous tibial infusion for fluid and medication administration.
- The Achilles tendon inserts on the posterior surface of the calcaneus.
- The posterior part of the talus is most susceptible to develop osteonecrosis due to poor blood supply.
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