Online Quiz: The Knee

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Created on August 19, 2022 By

Prof Kehinde Oluwadiya

Knee

Knee Quiz

The Knee Quiz

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Category: Knee

1. The popliteal artery:

1. is superficial to the tibial nerve

2. extends from the hiatus in adductor longus

3. enters the popliteal fossa on lateral aspect of the femur

4. has four genicular branches in fossa

5. supplies the cruciate ligaments

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Category: Knee

2. If the common peroneal nerve is divided the following are

1. plantar flexion of toes

2. inversion of foot

3. dorsiflexion of foot

4. plantar flexion of foot

5. there is no loss of cutaneous sensation

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Category: Knee

3. The suprapatellar bursa:

1. does not communicate with the knee joint

2. lies in front of the vastus intermedius muscle

3. extends 5cm or more above the patella

4. lies deep to the patellar retinacula

5. none of the above

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Category: Knee

4. Of muscles and tendons crossing the knee

1. Popliteus medially rotates the femur to unlock the knee from extension

2. Soleus crosses the posterolateral aspect of the joint

3. Semitendinosis tendon passes anterior to the medial condyle

4. Gluteus maximus crosses the knee joint by way of the iliotibial tract

5. Biceps femoris inserts into the anterolateral aspect of the tibia

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Category: Knee

5. Tibialis anterior

1. Dorsiflexes and everts the foot

2. Arises from the upper 2/3s of the fibula

3. Inserts into the medial cuneiform

4. Shares its site of insertion with peroneus tertius

5. Is supplied by L5,S1

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Category: Knee

6. The cruciate ligaments would be anaesthetized by injury to

1. Femoral nerve

2. Common peroneal nerve

3. Tibial nerve

4. Obturator nerve

5. None of the above

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Category: Knee

7. Which of the following bursae is most likely to communicate with the knee joint?

1. deep infrapatellar bursa

2. superficial infrapatellar bursa

3. prepatellar bursa

4. semimembranosis bursa

5. suprapatellar bursa

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Category: Knee

8. Regarding the movements at the knee joint:

1. popliteus ‘unlocks’ the extended knee by producing medial rotation of the femur

2. there is no active rotation of the extended knee

3. passive extension of the knee does not result in ‘locking’ of the joint

4. the posterior cruciate ligament prevents backward displacement of the femur on the tibial plateau

5. the major role of the menisci is in flexion/extension of the knee

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Category: Knee

9. In the popliteal fossa, the deepest of these structures is:

1. popliteal vein

2. popliteal artery

3. tibial nerve

4. sural nerve

5. plantaris muscle

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Category: Knee

10. Stability of the patella in knee extension is maintained

1. inferior fibres of vastus lateralis

2. relative prominence of the medial femoral condyle

3. inferior fibres of vastus medialis

4. tension of medial patella retinaculum

5. articularis genu muscle

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Category: Knee

11. The nerve supply to the knee joint comes from:

1. ciatic

2. femoral

3. obturator

4. all of these

5. none of these

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Category: Knee

12. Regarding the popliteal fossa:

1. the common peroneal nerve passes through the lateral part of the fossa

2. it contains no lymph nodes

3. it has a roof pierced by the tibial nerve

4. he popliteal artery lies superficial to the popliteal vein throughout the fossa

5. the small saphenous vein joins the popliteal vein before its entry into the fossa

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Category: Knee

13. Popliteus:

1. attaches to the medial femoral condyle

2. “locks” the knee in extension

3. lies immediately deep to the popliteal artery

4. may attach to the medial meniscus

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Category: Knee

14. Factors that stabilise the patella include all except

1. Forward prominence of the lateral condyle

2. Forward prominence of the medial condyle

3. Medial patellar retinacular fibres

4. Vastus medialis fibres that insert into the lowest part of the patella

5. The tone in vastus medialis

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Category: Knee

15. At the knee joint:

1. the fibular collateral ligament is attached to the lateral meniscus and joint capsule

2. there are three main gaps in the joint capsule

3. the tibial collateral ligament is tight in flexion

4. the posterior cruciate ligament is attached to the lateral condyle of the femur

5. the cruciate ligaments are sensitive and the menisci are not

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Category: Knee

16. The ‘screw-home’ movement in extension of the knee joint begins with tightening of the:

1. anterior cruciate ligament

2. oblique popliteal ligament

3. medial collateral ligament

4. lateral collateral ligament

5. posterior cruciate ligament

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Category: Knee

17. Attached to lateral meniscus is which of the following:

1. posterior cruciate ligament

2. lateral ligament of the knee

3. mucous fold

4. popliteus muscle

5. oblique popliteal ligament

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Category: Knee

18. The patellar plexus takes twigs from all but which of the following?

1. infrapatellar branch of the common peroneal nerve

2. medial femoral cutaneous nerve

3. lateral femoral cutaneous nerve

4. intermediate femoral cutaneous nerve

5. infrapatellar branch of the saphenous nerve

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Category: Knee

19. With respect to the ligaments around the knee joint:

1. the fibular collateral ligament blends with the capsule and is attached to the lateral meniscus

2. the tibial collateral ligament blends posteriorly with the capsule and is attached to the medial meniscus

3. the oblique popliteal ligament is an expansion from the tendon of semitendinosis

4. posterior cruciate ligament runs from anterior tibial plateau to the lateral femoral condyle

5. the transverse ligament runs posteriorly between menisci

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Category: Knee

20. Popliteus muscle

1. Is a weak flexor of the knee

2. Is extracapsular

3. originates from the joint capsule

4. Is supplied by the femoral nerve

5. None of the above

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Category: Knee

21. The ligament important in producing the screw home

1. Anterior cruciate ligament

2. Posterior cruciate ligament

3. Arcuate popliteal ligament

4. Patellar retinacula

5. e. All of the above

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Category: Knee

22. The cruciate anastomosis is NOT joined by:

1. transverse branch of the lateral circumflex A

2. descending branch of the internal pudendal A

3. ascending branch of the first perforating A

4. descending branch of the inferior gluteal A

5. transverse branch of the medial circumflex

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Category: Knee

23. Regarding innervation of flexion/extension of the knee

1. All muscles of the quadriceps femoris are supplied by L3/4

2. Vastus medialis are intermedius are supplied by the same branch of the femoral nerve

3. Flexion of the knee by hamstrings is supplied solely by tibial component of sciatic nerve

4. Flexor innervation of the knee can be tested by knee jerk L3

5. Traumatic fracture dislocation of hip affects knee extension greater than flexion

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Category: Knee

24. Which of the following structures can be missing in a completely stable and functional knee?

1. ACL

2. PCL

3. oblique ligament

4. patella

5. lateral collateral ligament

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Category: Knee

25. When standing, the knee joint is locked in extension by:

1. lateral rotation of the tibia

2. medial rotation of the femur

3. tightening of the medial ligament

4. tightening of the lateral ligament

5. tension in the oblique popliteal ligament

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Category: Knee

26. Politeus

1. Arises from the tibia above the condyles

2. Slopes upwards and medially

3. Inserts into the lateral meniscus

4. In innervated by a branch of the common peroneal nerve

5. Acts to “lock” the knee in full extension

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Category: Knee

27. The anterior cruciate ligament:

1. lies within the synovial membrane of the knee joint

2. attaches from the anterior tibial plateau to the medial condyle of the femur

3. prevents forward displacement of the femur on the tibial plateau

4. produces lateral rotation of the femur in the ‘screw home’ position of full extension

5. none of the above

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Category: Knee

28. In the lateral compartment of the leg

1. The muscles are supplied by the deep peroneal nerve

2. The peroneus longus muscles arise only from the fibula

3. The peroneal muscle tendons are bound at the lateral malleolus by the inferior peroneal retinaculum

4. The peroneal muscles share a common synovial sheath at the lateral malleolus

5. The blood supply is from the anterior tibial artery

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Category: Knee

29. The cruciate anastomsosis

1. Is supplied by the inferior branch of the medial circumflex femoral artery

2. Is supplied by the descending branch of the first perforating artery

3. Begins at the level of the greater trochanter

4. Is supplied by the transverse branch of the lateral circumflex femoral artery

5. Gives blood supply to the head of the femur

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Category: Knee

30. Which of the following is found in the popliteal fossa?

1. all the tarsal bones are ossified

2. only calcaneus is ossified

3. calcaneus and talus are ossified

4. calcaneus, talus and cuboid are ossified

5. none of the above

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