Ch 20 Quiz

Question 1

The anterior cruciate ligament is most vulnerable to injury when:

The knee is varus and the tibia is internally rotated
The knee is varus and the tibia is externally rotated
The knee is valgus and the tibia is internally rotated
The knee is valgus and the tibia is externally rotated

Answer 1

The knee is valgus and the tibia is externally rotated

Question 2

The mechanism of injury that leaves the posterior cruciate ligament at greatest risk for injury is:

Hyperextension of the knee
Falling with the knee bent and the foot dorsiflexed
Landing on the anterior aspect of the bent knee with the foot plantarflexed
A valgus stress with the knee fully extended

Answer 2

Landing on the anterior aspect of the bent knee with the foot plantarflexed

Question 3

A gradual degenerative process of the underside of the patella is called:

Patellaritis
Chondromalacia patella
Osteochondritis dissecans
Osgood-Schlatter’s disease

Answer 3

Chondromalacia patella

Question 4

The Lachman test is used to evaluate stability of the:

Medial collateral ligament
Anterior cruciate ligament
Meniscus
Patellar femoral joint

Answer 4

Anterior cruciate ligament

Question 5

Running, turning, figure-eights, backing up, and stopping are what types of test?

Muscle strength
Stress
Functional
Range of motion

Answer 5

Functional

Question 6

The Lachman drawer test is preferred over other drawer tests, immediately after an injury.

True
False

Answer 6

True

Question 7

The ligament injury of the knee generally considered to be the most serious involves the:

Anterior cruciate
Lateral collateral
Medial collateral
Posterior cruciate

Answer 7

Anterior cruciate

Question 8

Although the menisci are, for the most part, avascular, the inner third receives direct circulation from the medial genicular artery.

True
False

Answer 8

False

Question 9

A condition common to runners and cyclists having genu varum (pronated feet) that leads to pain and irritation over the lateral femoral condyle is:

Pes anserinus tendinitis
Jumper’s knee
Iliotibial band syndrome
Biceps femoris tendinitis

Answer 9

Iliotibial band syndrome

Question 10

The ligament that protects the knee from a valgus stress and external rotational forces is the:

Anterior cruciate
Posterior cruciate
Medial collateral
Lateral collateral

Answer 10

Medial collateral