Online Quiz: The Knee

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Created on August 19, 2022 By

Prof Kehinde Oluwadiya

Knee

Knee Quiz

The Knee Quiz

1 / 30

Category: Knee

1. 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

2. 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

3. 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

4. The stability of the weight bearing flexed knee is maintined

1. Anterior cruciate ligament

2. Ilio-tibial tract

3. Posterior cruciate ligmanet

4. Popliteus and posterior cruciate ligament

5. Arcuate popliteal ligament and anterior cruciate ligament

5 / 30

Category: Knee

5. The knee:

1. the cruciate ligaments are intra-synovial

2. the posterior cruciate ligament stabilises the flexed weight-bearing knee

3. the posterior horn of the medial meniscus is attached to the intercondylar area of the tibia behind the posterior cruciate ligament

4. the knee joint normally contains 5.0ml of synovial fluid

5. active rotation may occur in the extended knee

6 / 30

Category: Knee

6. Which of the following does NOT apply to the popliteus muscle?

1. it inserts into the lateral meniscus of the knee joint

2. it is innervated by the tibial nerve

3. it acts to extend the knee joint

4. it inserts into the lateral condyle of the femur

5. it acts to laterally rotate the femur of the fixed tibia

7 / 30

Category: Knee

7. Which one of the following has a tendon that is intracapsular

1. plantaris

2. popliteas

3. rectus femoris

4. psoas major

5. peroneal longus

8 / 30

Category: Knee

8. The stability of the weightbearing flexed knee is maintained by:

1. anterior cruciate ligament

2. iliotibial tract

3. posterior cruciate ligament

4. popliteus and posterior cruciate ligament

5. arcuate popliteal ligament and anterior cruciate ligament

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Category: Knee

9. 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

10 / 30

Category: Knee

10. 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

11. 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

12. 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

13. 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

14. 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

15. Regarding the popliteal vessels:

1. the tibial nerve lies between the popliteal artery and vein

2. the sural arteries supply soleus

3. the middle genicular artery supplies the cruciate ligaments

4. lymph nodes lie alongside the popliteal artery

5. the popliteal artery enters the fossa on the lateral side of the femur

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Category: Knee

16. 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

17. With regard to the stability of the knee joint

1. The posterior cruciate ligament prevents the femur from slipping posteriorly on the tibia

2. The lateral collateral ligament is more prone to damage than the medial

3. The medial meniscus is more prone to damage than the lateral

4. The integrity of the anterior cruciate ligament is most important when walking down stairs

5. The fit of the articular surfaces of the tibia and femur is the most important factor in providing stability to the knee

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Category: Knee

18. 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

19. The obturator nerve:

1. adductor magnus

2. obturator internus

3. quadratus femoris

4. sartorius

5. inferior gemellus

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Category: Knee

20. 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

21. With regards to the knee joint

1. The medial collateral ligament extends 8cm below the joint margin

2. The medial collateral ligament is extra-articular

3. The tenson of politeus is intra-articular

4. The lateral meniscus is more C-shaped

5. All of the avove

22 / 30

Category: Knee

22. 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

23 / 30

Category: Knee

23. 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

24 / 30

Category: Knee

24. Patellar plexus comprises of all EXCEPT:

1. posterior branch of lateral femoral cutaneous nerve

2. infrapatella branch of saphenous nerve

3. medial femoral cutaneous nerve

4. anterior branch of lateral femoral cutaneous nerve

5. intermediate femoral cutaneous nerve

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Category: Knee

25. 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

26. 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

27. 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

28. 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

29 / 30

Category: Knee

29. In the popliteal fossa

1. The sural nerve branches from the common peroneal nerve

2. The roof is formed by biceps femoris

3. The popliteal vein lies between the popliteal artery and tibial nerve

4. The inferomedial border is soleus

5. The politeal artery runs vertically

30 / 30

Category: Knee

30. 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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Online Quiz: The Knee

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