Chapter 10 Review Questions 100% accurate answers

Chapter 10 Review Questions 100% accurate answers The anterior cruciate ligament (ACL) serves as a static stabilizer against all of the following movements except: ior translation of the tibia on the femur. nal rotation of the tibia on the femur. rior translation of the tibia on the femur. extension of the tibiofemoral joint. ior translation of the tibia on the femur. During open-chained kinetic exercise, at what range of motion (ROM) is the strain on the ACL the greatest? a.0° to 30° of extension b.0° to 30° of flexion c.Full extension d.120° of flexion b.0° to 30° of flexion Which of the following is the strongest ligament of the knee and the primary stabilizer? a.Anterior cruciate ligament (ACL) b.Posterior cruciate ligament (PCL) c.Medial collateral ligament (MCL) d.Lateral collateral ligament (LCL) b.Posterior cruciate ligament (PCL) Which of the following activities would be the most difficult if the PCL was torn? a.Forward running b.Backward running c.Side shuffle d.Knee extension b.Backward running During the screw-home mechanism, the tibia externally rotates on the femur. What muscle is responsible for "unscrewing" the tibia? a.Plantaris b.Vastus medialis c.Popliteus d.Biceps femoris long head c.Popliteus The roles of the menisci do not include which of the following? a.Deepen the articulation and fill the gaps that normally occur during the knee's articulation b.Improve lubrication for the articulating surfaces c.Provide shock absorption d.Allow for extremes of flexion and extension d.Allow for extremes of flexion and extension On what bony structure does the iliotibial (IT) band insert? a.Gerdy's tubercle b.Lateral femoral condyle c.Fibular head d.Tibial tubercle a.Gerdy's tubercle What muscles are included in the pes anserine group? a.Sartorius, vastus medialis, and gracilis b.Gracilis, sartorius, and semitendinosus c.Gracilis, sartorius, and semimembranosus d.Sartorius, gracilis, and adductor longus b.Gracilis, sartorius, and semitendinosus What nerve roots lead to innervation of the knee? a.L1-S2 b.T12-S1 c.L3-S2 d.L2-S2 c.L3-S2 Which force is the most disruptive to the collateral knee ligaments?a.Tension b.Compression c.Shearing d.Rotation a.Tension What is indicated by an enlargement of the tibial tuberosity? a.Patellar tendinitis b.Osgood-Schlatter disease c.Sever disease d.Quadriceps tendinitis b.Osgood-Schlatter disease A posterior sag typically indicates injury to what ligament? a.ACL b.MCL c.LCL d.PCL d.PCL Which of the following is the origin and insertion of the sartorius? a.Anterior superior iliac spine and pes anserine tendon b.Anterior superior iliac spine and fibula c.Anterior superior iliac spine and adductor tubercle d.Anterior inferior iliac spine and the pes anserine tendon a.Anterior superior iliac spine and pes anserine tendon At which position should the knee be placed in order to palpate the menisci? a.15° of flexion b.30° of flexion c.45° of flexion d.0° of flexion c.45° of flexion Injury to which of the following would cause edema instead of effusion? a.PCL b.LCL c.ACL d.Deep fibers of the MCL b.LCL Which of the following is indicated by a ballottable patella? a.Knee edema b.Inflamed infrapatellar bursa c.Inflamed suprapatellar bursa d.Knee effusion d.Knee effusion Which of the following can occur following ACL surgery? a.Gain in hamstring strength b.Loss of patellar function c.Loss of knee extension d.Gain in sartorius strength b.Loss of patellar function In what position should the knee be placed when performing the anterior drawer test? a.Full extension b.30° of knee flexion c.60° of knee flexion d.90° of knee flexion d.90° of knee flexion What injury is assessed using the noble compression test? a.IT band friction syndrome b.Meniscal injury c.Osteochondral defect d.Plica a.IT band friction syndrome An athlete with a dislocated patella will present with the knee in what position? a.Extension b.Flexion c.Internal rotation d.External rotation b.Flexion Which of the following is the end-feel for knee extension? a.Hard b.Firm c.Soft d.Bony b.Firm What bony landmark does the patella glide through as the knee flexes and extends? a.Femoral trochlea b.Adductor tubercle c.Intercondylar notch d.Linea aspera a.Femoral trochlea The tibiofemoral joint has a double condyloid articulation that allows for how many degrees of freedom of movement? a.1° b.2° c.3° d.4° c.3° Which of the following is not a true statement about the MCL? a.The MCL has two layers (deep and superficial). b.The MCL attaches to a meniscus. c.The MCL thickens the joint capsule. d.The MCL is a cordlike structure. d.The MCL is a cordlike structure. Which part of the joint capsule is supported by the arcuate ligament? a.Posterolateral b.Posteromedial c.Anterolateral d.Anteromedial a.Posterolateral The menisci are attached to the tibia at their peripheries by which of the following ligaments? a.Transverse b.Patellomeniscal c.Meniscofemoral d.Coronary d.Coronary Which of the following muscles is not one of the four muscles that make up the quadriceps femoris muscle group? a.Vastus lateralis b.Vastus medialis c.Biceps femoris d.Vastus intermedius c.Biceps femoris At what degree of knee flexion does the IT band shift behind the lateral femoral epicondyle, giving it a knee flexor angle of pull? a.20° b.30° c.40° d.50° b.30° What ligament can be palpated easily by placing the knee in 90° of flexion and externally rotating and abducting the hip? a.MCL b.Arcuate ligament c.Anterior collateral ligament d.LCL d.LCL When compared to the gold standard of arthroscopy, which test combines sensitivity and specificity, making it the best examination technique for detecting whether or not an ACL sprain is present? a.Lachman test b.Anterior drawer test c.Slocum drawer test d.Quadriceps active test a.Lachman test In approximately how many degrees of flexion should the knee be placed to isolate the MCL for the valgus stress test? a.5° b.15° c.25° d.35° c.25° Which of the following is not a long-term consequence of an ACL-deficient knee? a.Instability b.Meniscal degeneration c.Chondral surface damage d.Patellofemoral pain d.Patellofemoral pain Which of the following is not a documented special test to identify trauma to the posterolateral corner of the knee and/or posterolateral rotary instability? a.Dynamic posterior shift test b.External rotation (Dial) test c.Reverse-pivot shift test d.Internal rotation recurvatum test d.Internal rotation recurvatum test What test can be used as a clinical evaluation tool for the presence of osteochondral defects on the knee's articular surface? a.Thessaly test b.Wilson's test c.Ober test d.Jerk test b.Wilson's test Based on the evidence, which is the best clinical test when assessing for a meniscal tear? a.Thessaly test b.McMurray test c.Apley compression test d.Apley distraction test a.Thessaly test What position should the tibia be placed in for the first pass of the McMurray test for meniscal lesions? a.Neutral position b.Internally rotated c.Externally rotated d.Position of the tibia is not specified for the first pass. a.Neutral position One positive sign for the dynamic posterior shift test is a "clunk" or "jerk" as the knee approaches what position? a.Full extension b.90° of flexion c.60° of flexion d.30° of flexion a.Full extension Damage to which of the following structures is not an implication of a positive pivot shift test? a.ACL b.LCL c.Anterolateral capsule d.Semimembranosus d.Semimembranosus What position should the knee and lower leg be placed in when performing the Slocum drawer test for anterolateral capsular instability? a.90° knee flexion; 25° internal tibial rotation b.30° knee flexion; 25° internal tibial rotation c.90° knee flexion; 15° external tibial rotation d.30° knee flexion; 15° external tibial rotation a.90° knee flexion; 25° internal tibial rotation Which is an implication of a positive quadriceps active test? a.Grade I PCL sprain b.Grade I ACL sprain c.Grade III PCL sprain d.Grade III ACL sprain a.Grade I PCL sprain Where does the sweep test assess for swelling? a.Inside the joint capsule b.Outside the joint capsule c.Inside or outside the joint capsule d.Neither inside nor outside the joint capsule a.Inside the joint capsule