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Question 1
Correct
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Which best describes the sartorius muscle?
Your Answer: Will flex the leg at the knee joint
Explanation:The sartorius muscle arises from tendinous fibres from the superior iliac spine. It passes obliquely across the thigh from lateral to medial and is inserted into the upper part of the medial side of the tibia. When the sartorius muscle contracts it will flex the leg at the knee joint.
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This question is part of the following fields:
- Anatomy
- Lower Limb
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Question 2
Correct
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Choose the most correct answer regarding the common peroneal nerve.
Your Answer: It gives rise to the nerve that supplies the anterior compartment leg muscles
Explanation:The common peroneal nerve divides beneath the peroneus longus muscle and gives off articular and lateral sural cutaneous nerves which supply muscular branches to the muscles of the anterior compartment of the leg which are the tibialis anterior, extensor digitorum, peroneus tertius and extensor hallucis longus.
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This question is part of the following fields:
- Anatomy
- Lower Limb
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Question 3
Correct
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Following nerve injury, paralysis of the quadriceps femoris muscle occurs. Which of the following movements will be affected?
Your Answer: Extension of the leg
Explanation:The quadriceps muscle is a great extensor of the thigh. Therefore, following nerve injury or cutting nerve supply to the quadriceps will affect extension of the thigh
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This question is part of the following fields:
- Anatomy
- Lower Limb
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Question 4
Correct
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Muscles and tendons in the planter region of the foot mainly take blood supply from:
Your Answer: Posterior tibial artery
Explanation:The posterior tibial artery is the main source of blood supply to the posterior compartment of the leg.
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This question is part of the following fields:
- Anatomy
- Lower Limb
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Question 5
Correct
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A 16 year old girl fractured a bone in her left foot. Upon examination the clinician discovered that the fracture affected the insertion of the peroneus brevis muscle. Which of the following bones was most likely affected?
Your Answer: Base of the fifth metatarsal
Explanation:The peroneus brevis muscle originates from the lower two-thirds of the lateral body of the fibula and has inserts at the base of the fifth metatarsal. Fractures to this bone are common and can be due to infection, trauma, overuse and repetitive use.
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This question is part of the following fields:
- Anatomy
- Lower Limb
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Question 6
Incorrect
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The muscles of the superficial posterior compartment of the leg insert into the:
Your Answer:
Correct Answer: Calcaneus
Explanation:The muscles of the superficial posterior compartment of the leg form the characteristic ‘calf’ shape of the posterior leg and include the gastrocnemius, soleus and plantaris. The gastrocnemius and soleus together form a muscular mass which is occasionally described as the triceps surae; its tendon of insertion is the tendo calcaneus. The tendo calcaneus is the thickest and strongest in the body and together with the tendon of the plantaris muscle is inserted into the posterior part of the calcaneus.
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This question is part of the following fields:
- Anatomy
- Lower Limb
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Question 7
Incorrect
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Which muscles are attached to the tibial tuberosity?
Your Answer:
Correct Answer: Vastus intermedius
Explanation:The tuberosity of the tibia is the site of attachment to the ligamentum patella (the tendon of the quadriceps femoris muscle which include four heads: rectus femoris, vastus medialis, intermedius and lateralis).
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This question is part of the following fields:
- Anatomy
- Lower Limb
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Question 8
Incorrect
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Due to a plantarflexion–inversion ankle sprain, which is the first ligament to rupture?
Your Answer:
Correct Answer: Anterior talofibular ligament
Explanation:The anterior talofibular ligament passes from the anterior margin of the fibular malleolus. It is the most commonly injured ligament, as part of the lateral ligament of the ankle.
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This question is part of the following fields:
- Anatomy
- Lower Limb
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Question 9
Incorrect
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Choose the most correct answer regarding the obturator internus muscle.
Your Answer:
Correct Answer: It emerges from the pelvis through the lesser sciatic foramen
Explanation:The obturator internus arises from the inner surface of the anterolateral wall of the pelvis and the pelvic surface of the obturator membrane. The fibres converge rapidly towards the lesser sciatic foramen and end in four or five tendinous bands and leave the pelvis through the lesser sciatic foramen.
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This question is part of the following fields:
- Anatomy
- Lower Limb
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Question 10
Incorrect
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Which of the following statements regarding the femoral artery is CORRECT?
Your Answer:
Correct Answer: It has the femoral nerve lying lateral to it
Explanation:The femoral artery begins immediately behind the inguinal ligament, midway between the anterior superior spine of the ilium and the symphysis pubis. The first 4 cm of the vessel is enclosed, together with the femoral vein, in a fibrous sheath (the femoral sheath). The femoral nerve lies lateral to this.
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This question is part of the following fields:
- Anatomy
- Lower Limb
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