Cs 2.1 Ch 10.2

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Quizzes Created: 26 | Total Attempts: 7,959
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Medical Quizzes & Trivia

Questions and Answers
  • 1. 

    What structure deepens the acetabulum to increase stability of the hip joint?

    • A.

      Articular cartilage

    • B.

      Fovea capitis

    • C.

      Acetabular labrum

    • D.

      Obturator internus muscle

    Correct Answer
    C. Acetabular labrum
    Explanation
    The acetabular labrum is a ring of fibrocartilage that deepens the acetabulum, which is the socket of the hip joint. By increasing the depth of the acetabulum, the labrum enhances the stability of the hip joint. It acts as a seal, providing a better fit between the head of the femur and the acetabulum, and helps to distribute forces more evenly across the joint. This structure plays a crucial role in maintaining the integrity and function of the hip joint.

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  • 2. 

    The transverse acetabular ligament creates a fibrocartilaginous rim attached to the margin of the acetabulum that deepens the fossa.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The transverse acetabular ligament does not create a fibrocartilaginous rim attached to the margin of the acetabulum. Instead, it spans the acetabular notch, converting it into a foramen and completing the acetabular ring. Therefore, the statement is false.

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  • 3. 

    What structure contains the artery to the femoral head?

    • A.

      Ligamentum teres

    • B.

      Acetabular labrum

    • C.

      Greater trochanter

    • D.

      Transverse ligament

    Correct Answer
    A. Ligamentum teres
    Explanation
    The ligamentum teres is a structure that contains the artery to the femoral head. It is a small ligament that connects the femur to the acetabulum and helps to stabilize the hip joint. The artery to the femoral head, also known as the ligamentum teres artery, runs within the ligamentum teres. This artery supplies blood to the femoral head, which is important for maintaining the health and function of the hip joint.

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  • 4. 

    The patellar ligament is an extension of the quadriceps tendon.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The patellar ligament is indeed an extension of the quadriceps tendon. The quadriceps tendon attaches the quadriceps muscles to the patella (kneecap), and then continues as the patellar ligament, which attaches the patella to the tibia (shinbone). This ligament is important for the proper functioning of the knee joint, as it helps in the extension of the leg and stabilization of the patella during movements.

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  • 5. 

    What is the largest peripheral nerve in the body?

    • A.

      Femoral

    • B.

      Sacral

    • C.

      Sciatic

    • D.

      Iliac

    Correct Answer
    C. Sciatic
    Explanation
    The sciatic nerve is the largest peripheral nerve in the body. It is formed by the combination of several nerve roots that exit the spinal cord in the lower back. The sciatic nerve runs from the lower back through the buttocks and down the back of the leg. It provides motor and sensory innervation to the muscles of the thigh, leg, and foot. Due to its size and distribution, the sciatic nerve is responsible for controlling and transmitting sensations from a large portion of the lower body.

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  • 6. 

    The great saphenous vein ascends the lateral surface of the leg.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The great saphenous vein does not ascend the lateral surface of the leg, but rather it ascends the medial surface of the leg.

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  • 7. 

    What is the strongest ligament in the ankle?

    • A.

      Spring

    • B.

      Deltoid

    • C.

      Lateral

    • D.

      Interosseouse

    Correct Answer
    B. Deltoid
    Explanation
    The deltoid ligament is the strongest ligament in the ankle. It is located on the medial side of the ankle and is responsible for stabilizing the joint. It connects the tibia bone to the talus and calcaneus bones, providing support and preventing excessive inward rotation or eversion of the ankle. The deltoid ligament is crucial for maintaining the overall stability and integrity of the ankle joint.

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  • 8. 

    The tarsal canal widens laterally to form the sustentaculum tali.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The tarsal canal does not widen laterally to form the sustentaculum tali. The sustentaculum tali is a bony projection on the medial side of the calcaneus bone in the foot. It serves as a support for the talus bone. Therefore, the statement is false.

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  • 9. 

    What structure cushions the articulation between the femoral condyles and the tibial plateaus?

    • A.

      Popliteal bursae

    • B.

      Menisci

    • C.

      Patellar ligaments

    • D.

      Cruciate ligaments

    Correct Answer
    B. Menisci
    Explanation
    The correct answer is Menisci. The menisci are C-shaped fibrocartilaginous structures located in the knee joint. They serve as shock absorbers and help to cushion the articulation between the femoral condyles and the tibial plateaus. They also assist in distributing the load evenly across the joint and provide stability.

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  • 10. 

    The femoral head is covered entirely by articular cartilage, with the exception of a small centrally located pit termed the fovea centralis.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The femoral head is not covered entirely by articular cartilage. While a large portion of the femoral head is covered by articular cartilage, there is a small centrally located pit called the fovea centralis that is not covered by articular cartilage. Therefore, the statement is false.

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  • 11. 

    Which ligament in the ankle helps to maintain the longitudinal arch of the foot?

    • A.

      Spring

    • B.

      Deltoid

    • C.

      Lateral

    • D.

      Interosseous

    Correct Answer
    A. Spring
    Explanation
    The ligament in the ankle that helps to maintain the longitudinal arch of the foot is the Spring ligament. This ligament is located on the medial side of the foot and connects the calcaneus (heel bone) to the navicular bone. It plays a crucial role in supporting the arch of the foot and preventing excessive flattening or collapsing of the arch during weight-bearing activities.

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  • 12. 

    The lesser trochanter of the femur is the insertion site for the tendon of the iliopsoas major muscle.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The lesser trochanter of the femur is indeed the insertion site for the tendon of the iliopsoas major muscle. This muscle is responsible for flexing the hip joint and is composed of two parts, the iliacus and the psoas major. The tendon of the iliopsoas major muscle attaches to the lesser trochanter, which is a bony prominence located on the medial side of the femur, just below the greater trochanter. This insertion allows the muscle to exert force and control the movement of the hip joint. Therefore, the statement is true.

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  • 13. 

    What structure provides weight-bearing support to the medial side of the ankle?

    • A.

      Posterior facet

    • B.

      Sinus tarsi

    • C.

      Sustentaculum tali

    • D.

      Navicular

    Correct Answer
    C. Sustentaculum tali
    Explanation
    The sustentaculum tali is a bony projection on the calcaneus bone that provides weight-bearing support to the medial side of the ankle. It acts as a support for the talus bone, which is an important bone in the ankle joint. The sustentaculum tali helps to distribute the weight and forces transmitted through the foot during weight-bearing activities, providing stability and support to the medial side of the ankle.

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  • 14. 

    The gastrocnemius muscle is a prominent flexor of the leg. It consists of two heads arising from the femoral condyles and inserts on the calcaneus via the Achilles tendon.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The explanation for the given correct answer is that the gastrocnemius muscle is indeed a prominent flexor of the leg. It is composed of two heads that originate from the femoral condyles and attach to the calcaneus through the Achilles tendon. Thus, the statement is true.

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