Online Quiz: The Leg

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Created on August 19, 2022 By

Prof Kehinde Oluwadiya

Leg

Leg Quiz

The Leg Anatomy Quiz

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Category: Leg

1. With respect to the posterior compartment of the leg, which is FALSE?

1. plantaris arises from the lower part of the lateral supracondylar line and is absent in 10%

2. the medial head of gastrocnemius is larger than the lateral

3. the small saphenous vein drains the medial side of the dorsal venous arch and medial margin of foot

4. the soleal muscle contains a rich plexus of small veins → the soleal pump

5. the nerve of this compartment is the tibial nerve

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Category: Leg

2. The only muscle to cross the anterior tibial artery is:

1. extensor hallucis longus

2. extensor digitorum brevis

3. extensor hallucis brevis

4. extensor digitorum longus

5. tibialis anterior

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Category: Leg

3. Features of the fibula include which of the following?

1. it is on the medial side of the tibia

2. its medial surface is grooved for the origin of tibialis posterior

3. it is ossified from five centres

4. it does not provide origin for flexor digitorum longus

5. its lower third is rough for the origin of soleus

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Category: Leg

4. Tibialis anterior inserts into

1. Navicular

2. Medial cuneiform and base of first metatarsal

3. Lateral cuneiform and base of 5th metatarsal

4. Middle three metatarsals

5. Medial cuneiform and base of 1st phalanx

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Category: Leg

5. Structures closely related to long saphenous vein at ankle include which of the following?

1. major perforating veins to deep venous system

2. a branch of the femoral nerve

3. medial superficial lymphatic trunks

4. a branch of the anterior tibial nerve

5. dorsalis pedis artery

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Category: Leg

6. The dorsalis pedis artery:

1. lies medial to the tendon of extensor hallucis longus

2. lies lateral to the detail branch of the deep peroneal nerve

3. crosses superficial to the tendon of extensor hallucis brevis

4. terminates at the arcuate artery

5. joins the lateral plantar artery to form the plantar arch

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Category: Leg

7. The upper tibial epiphysis appears at:

1. 3 years

2. puberty

3. birth

4. 1 year

5. 2 year

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Category: Leg

8. The long saphenous vein:

1. lies deep to the deep fascia only near its termination

2. normally drains blood from deep veins

3. communicates with the deep venous system only indirectly

4. normally receives blood from the deep venous system

5. has no valves other than at saphenofemoral junction

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Category: Leg

9. The anterior tibial artery:

1. pierces the interosseous membrane

2. supplies the lateral compartment of the leg

3. lies lateral to the deep peroneal nerve

4. lies lateral to tibialis anterior

5. gives the nutrient artery to the tibia

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Category: Leg

10. Flexor longus digitorum:

1. crosses deep to tibialis posterior in calf

2. crosses superficial to flexor longus hallucis in sole

3. is an evertor of the foot

4. supplied by musculocutaneous nerve

5. supplied by L5 nerve root

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Category: Leg

11. The short saphenous vein passes below and behind the:

1. medial malleolus

2. lateral malleolus

3. medial epicondyle

4. lateral epicondyle

5. greater trochanter

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Category: Leg

12. With respect to peroneus longus:

1. it inserts into the base of the 5th metacarpal

2. it is supplied by the superficial peroneal nerve

3. it has a broad tendon that lies between the lateral malleolus and the tendon of peroneus brevis

4. it arises from the upper two thirds of the tibia

5. it is mainly supplied by L4 and L5 segments

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Category: Leg

13. Flexor digitorum longus:

1. lies superficial to tibialis posterior

2. muscle belly lies medial to flexor hallucis longus

3. arises from both tibia and fibula

4. has communications with flexor longus hallucis

5. all of the above

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Category: Leg

14. The short saphenous vein

1. Lies anterior to the lateral malleolus

2. Is accompanied by the saphenous nerve

3. Drains into the great saphenous vein

4. Drains the lateral margin of the foot

5. Lies deep to the deep fascia of the calf

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Category: Leg

15. Which of the following is true of the saphenous nerve?

1. is predominantly from L2

2. supplies adductor magnus

3. pierces the deep fascia in the femoral triangle

4. is cutaneous only

5. terminates just below the knee

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Category: Leg

16. Regarding the lymphatic drainage of the lower limb

1. It is predominantly along the route of the small saphenous vein

2. Apart from a small area of skin over the heel it drains via the popliteal lymph nodes from below the knee

3. From the superficial inguinal lymph nodes it passes through the cribriform fascia to the deep inguinal nodes

4. Deep lymphatics follow veins

5. None of the above

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Category: Leg

17. Regarding the extensor compartment of the lower leg, all of the following statements are true EXCEPT:

1. the tibialis anterior muscle is supplied by the deep peroneal and recurrent genicular nerves (L4)

2. extensor digitorum longus and peroneus tertius muscle lie lateral to tibialis anterior artery throughout

3. the deep peroneal nerve arises within the peroneus longus muscle

4. the extensor digitorum longus dorsiflex the lateral toes

5. extensor hallucis longus arises from the middle two-fourths of the tibia & the interosseus membrane

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Category: Leg

18. The most medial structure passing under the inferior extensor retinaculum of the foot is:

1. deep peroneal nerve

2. tibialis anterior

3. extensor hallucis longus

4. anterior tibial artery

5. peroneus brevis

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Category: Leg

19. The deep peroneal nerve supplies:

1. skin between the first and second toes

2. skin between the second and third toes

3. skin on the medial side of the shin

4. skin on the dorsolateral side of the foot

5. the great toe only

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Category: Leg

20. Tibialis anterior

1. Is supplied by the superficial peroneal nerve

2. Has a synovial sheath that continues below superior extensor retinaculum

3. . Dorsiflexes and everts the foot

4. Inserts into the lateral cuneiform

5. Originates from the tibia and fibula

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Category: Leg

21. Attached to proximal tibial epiphysis:

1. the whole of the medial collateral ligament of the knee

2. sartorius

3. ligamentum patellae

4. popliteus

5. semitendinosus

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Category: Leg

22. Flexor hallucis longus muscle:

1. is attached to the tibia

2. has a tendon which in the sole, is superficial to that of flexor longus digitorum

3. is a unipennate muscle

4. is attached to the proximal phalanx of the great toe

5. none of the above

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Category: Leg

23. Tibialis anterior:

1. is supplied by the tibial nerve

2. inserts into the second metatarsal bone

3. is pierced by the posterior tibial artery

4. tendon perforates the superior extensor retinaculum

5. does not arise from the interosseous membrane

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Category: Leg

24. Regarding flexor digitorum longus:

1. its four tendons divide under the flexor retinaculum

2. it arises from the tibia and interosseous membrane only

3. the medial two tendons receive a strong slip from the tendon of flexor hallucis longus

4. the tendons have no flexor sheaths

5. it inserts into the bases of the middle phalanges

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Category: Leg

25. Short saphenous vein:

1. perforates the deep fascia in the midcalf

2. medial to the tendoachilles

3. more valves than the long saphenous

4. none of the above

5. all of the above

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Category: Leg

26. After injury to the leg, a patient is unable to dorsiflex his foot. Which nerve is most likely to be injured?

1. the deep branch of the common peroneal nerve

2. b) the sural nerve

3. the superficial branch of the common peroneal nerve

4. the saphenous nerve

5. none of the above

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Category: Leg

27. Regarding the foot, all of the following statements are true EXCEPT:

1. the tibialis posterior muscle inverts and adducts the forefoot

2. the tibialis posterior muscle plantarflex the ankle joint

3. the tibialis anterior muscle dorsiflex the ankle and inverts the foot

4. all interossei muscles are supplied by the lateral plantar nerve

5. calcaneal branches of the deep peroneal nerve supply the skin of the heel

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Category: Leg

28. Peroneus tertius

1. acts only to evert the foot

2. arises from the lower anterior part of the tibia

3. may insert into the neck of the fifth metatarsal

4. passes superficial to the extensor retinaculum

5. is innervated by the superficial peroneal nerve

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Category: Leg

29. Posterior tibial artery

1. Divides superior to the flexor retinaculum

2. Divides into the medial and lateral plantar arteries

3. Branches from 2 plantar arteries in the foot

4. Lateral plantar branch supplies the big toe

5. Divides inferior to the flexor retinaculum

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Category: Leg

30. The peroneus longus muscle:

1. passes superficial to the superior peroneal retinaculum

2. inserts into the styloid process of the fifth metatarsal bone

3. is supplied by the common peroneal nerve

4. assists in the maintenance of the lateral longitudinal arch

5. has no origin from the tibia

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