Skeletal System: Lower Limb Quiz
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Questions and Answers

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?

  • 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?

  • 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?

    <p>Limited soft tissue coverage</p> Signup and view all the answers

    Which of the following statements about the distal tibial fracture site is accurate?

    <p>Fractures may lead to a reduction in blood flow to the distal fragment.</p> Signup and view all the answers

    What demographic group is most commonly affected by fractures of the femoral neck?

    <p>Women after menopause</p> Signup and view all the answers

    What anatomical structure does the tibia articulate with that contributes to its role in weight bearing?

    <p>Condyles of the femur</p> Signup and view all the answers

    What type of fracture is commonly associated with the femoral neck?

    <p>Open fractures</p> Signup and view all the answers

    Which of the following bones does the fibula articulate with distally?

    <p>Talus</p> Signup and view all the answers

    What role does the anatomical structure of the tibia serve in the body?

    <p>Bears weight and provides leverage.</p> Signup and view all the answers

    Which of the following conditions contributes to an increased risk of femoral neck fractures?

    <p>Decreased estrogen levels</p> Signup and view all the answers

    What is a common reason for high incidence of open fractures?

    <p>High-impact activities</p> Signup and view all the answers

    Which of the following structures is involved in the anatomical relationship between the tibia and fibula?

    <p>Lateral malleolus</p> Signup and view all the answers

    What bone does the Achilles tendon insert on?

    <p>Calcaneus</p> Signup and view all the answers

    Which route can be used for fluid and medication administration if intravenous access cannot be obtained in pediatric patients?

    <p>Intraosseous infusion</p> Signup and view all the answers

    Which part of the talus is most prone to developing osteonecrosis?

    <p>Posterior part</p> Signup and view all the answers

    What surface does the Achilles tendon insert onto?

    <p>Posterior surface of the calcaneus</p> Signup and view all the answers

    What is the primary reason for choosing intraosseous infusion for medication delivery in pediatric patients?

    <p>Faster absorption compared to intramuscular injections</p> Signup and view all the answers

    What is the most common condition associated with osteonecrosis of the talus?

    <p>Trauma or fracture</p> Signup and view all the answers

    What does the term 'intraosseous' refer to in medical procedures?

    <p>Within the bone</p> Signup and view all the answers

    Which anatomical structure is primarily involved in the function of the Achilles tendon?

    <p>Gastrocnemius muscle</p> Signup and view all the answers

    What is the name of the small depression located in the femoral head?

    <p>Fovea capitis</p> Signup and view all the answers

    Which ligament attaches to the fovea capitis?

    <p>Ligamentum teres</p> Signup and view all the answers

    What is the primary blood supply to the femoral neck?

    <p>Medial femoral circumflex artery</p> Signup and view all the answers

    What condition is likely to develop if the medial femoral circumflex artery is injured?

    <p>Avascular necrosis</p> Signup and view all the answers

    Which of the following statements about the fovea capitis is true?

    <p>It is where the ligamentum teres attaches.</p> Signup and view all the answers

    Which artery, if compromised, would most likely lead to complications in the femoral neck?

    <p>Medial femoral circumflex artery</p> Signup and view all the answers

    What is a potential consequence of a fracture affecting the blood supply of the femoral neck?

    <p>Avascular necrosis</p> Signup and view all the answers

    Which of the following is not a function of the medial femoral circumflex artery?

    <p>Enhancing joint lubrication</p> Signup and view all the answers

    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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    Description

    Test your knowledge on the skeletal system, specifically the lower limb. This quiz will cover key structures and features, including the femoral head and associated anatomical terms. Perfect for students studying anatomy or related fields.

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