Lower limb test

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Question 1 (1 point) How is the patient placed for a lateral projection of the great toe and second toe? Question 1 options: o supine, with the affected leg turned out o supine, with the affected leg turned in o lateral, on the affected side o recumbent, on the unaffected side

Question 2 (1 point) In order to better demonstrate the TMT joint spaces of the foot, a posterior angulation of how many degrees is required? Question 2 options: o 0 degrees o 10 degrees o 15 degrees o 25 degrees

Question 3 (1 point) The central ray is directed to which of the following for an AP or AP axial projection of the foot? Question 3 options: o Head of the second metatarsal o Head of the third metatarsal o Base of the third metatarsal o Base of the fourth metatarsal

Question 4 (1 point) For an AP oblique projection of the foot in either medial or lateral rotation, the plantar surface of the foot should form an angle of: Question 4 options: o 15 degrees o 20 degrees o 30 degrees o 45 degrees

Question 5 (1 point) Which of the following will clearly demonstrate the cuboid? Question 5 options: o AP o Lateral o AP Oblique with lateral rotation o AP Oblique with medial rotation

Question 6 (1 point) Which projections of the foot will best demonstrate the structural status of the longitudinal arch? Question 6 options: o AP Axial o AP Oblique o Lateral (lateromedial) o Lateral (lateromedial) weight bearing

Question 8 (1 point) For an axial projection of the calcaneus, the ankle should be dorsiflexed so the plantar surface of the foot is: Question 8 options: o parallel with the central ray o Perpendicular with the central ray o 70 degrees from the plane of the IR o 90 degrees to the plane of the IR

Question 9 (1 point) For an AP projection of the ankle, the central ray must enter the: Question 9 options: o Talus o Subtalar joint o Talofibular joint o Ankle joint midway between the malleoli

Question 10 (1 point) Which of the following is not clearly demonstrated on an AP projection of the ankle? Question 10 options: o Tibiotalar o Lateral malleoli o Ankle mortise o tibiofibular overlap

 

 

Question 11 (1 point) For a lateral projection of the ankle, the central ray must enter the: Question 11 options: o Navicular o Tibiotalar joint o Lateral malleolus o Medial malleolus

Question 12 (1 point) Where will the fibula be located on a properly positioned lateral radiograph of the ankle? Question 12 options: o Directly over the tibia o Behind the tibia o Over the anterior half of the tibia o Over the posterior half of the tibia

Question 13 (1 point) Which of the following must be rotated for all oblique projections of the ankle? (1) pelvis (2) leg (3) foot Question 13 options: o 1 and 2 o 1 and 3 o 2 and 3 o 1, 2 and 3

Question 14 (1 point) To demonstrate the ankle mortise, the leg and foot should be rotated medially how many degrees? Question 14 options: o 5 -10 degrees o 15-20 degrees o 25-30 degrees o 40-45 degrees   Question 15 (1 point) What is the central-ray angle for an AP projection of the leg/tibia-fibula? Question 15 options: o 0 degrees o 10 degrees cephalad o 10 degrees caudad o 15 degrees cephalad

Question 16 (1 point) What is the position of the femoral condyles when the leg is properly positioned for an AP projection of the tibia-fibula? Question 16 options: o Perpendicular to the IR o Parallel to the IR o At a 15-20 degree oblique  – laterally o At a 15-20 degree oblique  – medially

Question 17 (1 point) Where is the IR centered for an AP projection of the knee? Question 17 options: o 1.3 cm above apex of the patella o 2.5 cm above the apex of the patella o 1.3 cm below the apex of the patella o 2.5 cm below the apex of the patella

Question 18 (1 point) When the knee is properly positioned for an AP projection, the patella will lie: Question 18 options: o Directly in the centre of the limb o Slightly to the medial side o Slightly to the lateral side o Parallel with the tabletop

Question 19 (1 point) When the ASIS to tabletop measurement is between 19 and 24 cm, the central-ray angulation for an AP knee is: Question 19 options: o 0 degrees o 5 degrees cephalad o 5 degrees caudad o 7 degrees cephalad

Question 20 (1 point) How much should the leg be flexed for a lateral projection of the knee? Question 20 options: o 10 degrees o 10-20 degrees o 20-30 degrees o 45 degrees

Question 21 (1 point) The central-ray angulation for a lateral projection of the knee is: Question 21 options: o 0 degrees o 5-7 degrees caudad o 5-7 degrees cephalad o Dependent on ASIS to tabletop measurement

 

 

Question 22 (1 point) Which of the following projections of the knee best demonstrates the narrowing of a joint space? Question 22 options: o AP o AP Oblique o Lateral o AP bilateral weight-bearing

Question 23 (1 point) For an AP oblique projection of the knee, the limb is rotated: Question 23 options: o 10 degrees o 15 degrees o 25 degrees o 45 degrees

Question 24 (1 point) Which of the following is clearly demonstrated on an AP oblique projection of the knee in medial rotation? Question 24 options: o Distal fibula o tibiotalar articulation o patellofemoral joint space o tibiofibular articulation

Question 25 (1 point)   Please refer to the image above. What part is demonstrated in this position? Question 25 options: o Intercondylar fossa o Proximal tibiofibular articulation o Tangential patella o Femoral epicondyles

Question 26 (1 point) Which position is the patient placed in for a PA projection of the patella? Question 26 options: o Prone o Supine o Lateral o Upright weight-bearing

Question 27 (1 point) In order to place the patella parallel with the plane of the IR for a PA projection, the heel must be rotated: Question 27 options: o 5 to 10 degrees laterally o 5 to 10 degrees medially o 10 to 15 degrees laterally o 10 to 15 degrees medially

Question 28 (1 point) Where does the central ray enter the knee for a lateral projection of the patella? Question 28 options: o Posterior margin of the medial epicondyle o Anterior margin of the medial epicondyle o Through the patellofemoral joint space o Directly to the lateral aspect of the patella

Question 29 (1 point) Where is the central ray directed for the tangential projection (Settegast method) of the patella? Question 29 options: o Throught the patellofemoral joint space o To the anterior aspect of the patella o At the level of the femoral condyles o To the apex of the patella

Question 30 (1 point) What is the central-ray angle for an AP projection of the femur? Question 30 options: o 0 degrees o 5 degrees cephalad o 5 degrees caudad o Variable depending on body habitus

Question 31 (1 point) How many degrees should the limb be internally rotated for an AP projection of the femur? Question 31 options: o 10 o 15 o 30 o 45   Question 32 (1 point) How far should the patient be rolled posteriorly from the lateral position, for a lateral projection of the hip that will include the proximal femur? Question 32 options: o 5 – 10 degrees o 10 – 15 degrees o 25 – 30 degrees o 45 degrees Question 33 (1 point) When the femur is vertical, the medial condyle is lower than the lateral condyle. How many degrees’ difference is there between the two? Question 33 options: o 0 – 3 degrees o 5 – 7 degrees o 10- 15 degrees o 20 – 25 degrees   Question 34 (1 point) If the knee is flexed 40 degrees for the PA axial intercondylar fossa projection, the central ray will be angled: Question 34 options: o 10 degrees o 20 degrees o 30 degrees o 40 degrees

Question 35 (1 point) Refer to the image above. What is the central ray direction needed to produce this image? Question 35 options: o 0 degrees o 3 – 5 cephalad o 5  – 7 cephalad o Angle dependent on body habitus

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