Question 1

Which of the following best describes the type of the knee joint?

Accepted Answer

A condylar synovial joint with a saddle component

Question 2

Which structure is responsible for unlocking the knee joint after it has been locked in extension?

Accepted Answer

Popliteus muscle

Question 3

During full knee extension, which movement occurs to lock the knee and allow standing with minimal muscular effort?

Accepted Answer

Medial rotation of the femur

Question 4

Which ligament prevents anterior displacement of the tibia relative to the femur?

Accepted Answer

Anterior cruciate ligament

Question 5

A patient presents with pain and swelling over the medial aspect of the knee after a sports injury. Which structure is most likely injured?

Accepted Answer

Tibial collateral ligament

Question 6

Which of the following arteries does NOT contribute to the blood supply of the knee joint?

Accepted Answer

Superior gluteal artery

Question 7

Which of the following statements about the menisci of the knee is CORRECT?

Accepted Answer

They divide the joint cavity into upper and lower compartments

Question 8

Which movement is primarily allowed in the upper compartment of the knee joint?

Accepted Answer

Flexion and extension

Question 9

A 60-year-old patient presents with knee pain and an X-ray shows loss of joint space and spurring of the femur and tibia. What is the most likely diagnosis?

Accepted Answer

Osteoarthritis

Question 10

Which of the following is NOT a function of the synovial membrane in the knee joint?

Accepted Answer

Strengthening the fibrous capsule

Question 11

Which nerve is NOT involved in the innervation of the knee joint?

Accepted Answer

Axillary nerve

Question 12

Which bursa is located between the skin and the patella?

Accepted Answer

Subcutaneous prepatellar bursa

Question 13

Which of the following statements about the fibula is TRUE?

Accepted Answer

It participates in the formation of the ankle joint

Question 14

Which muscle is the first to atrophy and last to recover in knee joint disease?

Accepted Answer

Vastus medialis

Question 15

Which ligament is most likely to be injured in a lateral blow to the knee?

Accepted Answer

Tibial collateral ligament

Question 16

Which of the following movements is NOT permitted at the knee joint?

Accepted Answer

Inversion

Question 17

Which of the following best describes the inferior tibiofibular joint?

Accepted Answer

A syndesmosis formed by ligaments only

Question 18

Which structure separates the tendons of sartorius, gracilis, and semitendinosus from each other and from the tibia?

Accepted Answer

Anserine bursa

Question 19

Which of the following is TRUE regarding the talus bone?

Accepted Answer

It has no muscular attachment

Question 20

A patient with a ruptured anterior cruciate ligament (ACL) would most likely experience which of the following symptoms?

Accepted Answer

Anterior displacement of the tibia relative to the femur

The Knee Joint: Structure, Function, and Clinical Anatomy

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