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Author Question: Which of the following statements is true about an optimal tangential knee projection (Merchant ... (Read 81 times)

dejastew

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on: Jul 17, 2018
Which of the following statements is true about an optimal tangential knee projection (Merchant method)?
 
  a. A patellar subluxation is demonstrated as long as the patellae are positioned di-rectly above the intercondylar sulcus.
  b. The lateral femoral condyle demonstrates more height than the medial femoral condyle.
  c. To demonstrate a patellar subluxation, the quadriceps femoris must be tightly contracted.
  d. The central ray and axial view angulation, when added, should equal 100 degrees.

Question 2

For an AP projection of the hip with accurate positioning,
 
  1. the ASISs are positioned at equal distances from the IR.
  2. the patient's legs are externally rotated until the epicondyles are at a 45-degree angle with the imaging table.
  3. gonadal shielding should not be used.
  4. the central ray is centered 1.5 inches (4 cm) distal to the midpoint between the ASIS and symphysis pubis to center the hip joint in the field.
  a. 1 and 4 only
  b. 2 and 3 only
  c. 1, 3, and 4 only
  d. 2 and 3 only


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Eunice618

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Reply #1 on: Jul 17, 2018
Answer to Question 1

B

Answer to Question 2

A


dejastew

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Reply #2 on: Jul 17, 2018
Correct answers!


Eunice618

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Reply #3 on: Jul 17, 2018
Great! Please up vote :D


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