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 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

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Category: Knee

2. 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

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Category: Knee

3. 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

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Category: Knee

4. 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

5. 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

6. 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

7 / 30

Category: Knee

7. 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

8. 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

9 / 30

Category: Knee

9. 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

10 / 30

Category: Knee

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

1. plantaris

2. popliteas

3. rectus femoris

4. psoas major

5. peroneal longus

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Category: Knee

11. 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

12. 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

13 / 30

Category: Knee

13. 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

14. 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

15 / 30

Category: Knee

15. 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

16. Which of the following structures lies within the knee joint?

1. Patella Ligament

2. tibia collateral ligament

3. fibular collateral ligament

4. tendon of popliteus

5. patella retinacular

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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. 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

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Category: Knee

19. 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

20 / 30

Category: Knee

20. 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

21. 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

22. 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

23. 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

24. 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

25 / 30

Category: Knee

25. 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

26. 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

27. 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

28. 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

29. 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

30 / 30

Category: Knee

30. 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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