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. 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

2. 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

3. 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

4 / 30

Category: Knee

4. 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

5. 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

6 / 30

Category: Knee

6. 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

7 / 30

Category: Knee

7. 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

8 / 30

Category: Knee

8. 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

9 / 30

Category: Knee

9. The obturator nerve:

1. adductor magnus

2. obturator internus

3. quadratus femoris

4. sartorius

5. inferior gemellus

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Category: Knee

10. 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

11 / 30

Category: Knee

11. 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

12 / 30

Category: Knee

12. 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

13 / 30

Category: Knee

13. In the upper part of the popliteal fossa the following are are found from medial to lateral:

1. popliteal artery, popliteal vein, sciatic vein

2. popliteal vein, popliteal artery, sciatic nerve

3. sciatic nerve, popliteal artery, popliteal vein

4. sciatic nerve, popliteal vein, popliteal artery

5. popliteal artery, sciatic nerve, popliteal vein

14 / 30

Category: Knee

14. 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

15 / 30

Category: Knee

15. 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

16 / 30

Category: Knee

16. 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

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Category: Knee

17. 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

18 / 30

Category: Knee

18. 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

19 / 30

Category: Knee

19. 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

20 / 30

Category: Knee

20. 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

21 / 30

Category: Knee

21. 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

22 / 30

Category: Knee

22. 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

23 / 30

Category: Knee

23. 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

24 / 30

Category: Knee

24. The greatest factor in preventing lateral displacement of the patella during quadriceps contraction is

1. the forward prominence of the lateral condyle of the femur

2. the action of articularis genu

3. the action of vastus medialis

4. the action of rectus femoris

5. the tension of the medial patellar retinaculum

25 / 30

Category: Knee

25. 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

26 / 30

Category: Knee

26. 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

27 / 30

Category: Knee

27. 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

28 / 30

Category: Knee

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

1. plantaris

2. popliteas

3. rectus femoris

4. psoas major

5. peroneal longus

29 / 30

Category: Knee

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

1. ciatic

2. femoral

3. obturator

4. all of these

5. none of these

30 / 30

Category: Knee

30. 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

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