Heart penetration on an AP chest projection 1. is obtained by ...

[big1devin]

Heart penetration on an AP chest projection
 
  1. is obtained by increasing the kVp.
  2. results in a lower contrast image.
  3. is required when apparatuses located at the mediastinal region are of interest.
  4. results in a decrease in scatter radiation reaching the IR.
  a. 1 and 3 only
  b. 1, 2, and 3 only
  c. 3 only
  d. 1, 2, 3, and 4

Question 2

A mobile AP chest projection obtained with the central ray angled caudally demonstrates
 
  1. vertically contoured ribs.
  2. the manubrium projected superior to the fourth thoracic vertebra.
  3. less than 1 inch (2.5 cm) of the apices above the clavicles.
  4. vertical clavicles.
  a. 1 and 3 only
  b. 2 and 3 only
  c. 2 and 4 only
  d. 1 and 4 only

[macagnavarro]

Answer to Question 1

B

Answer to Question 2

D

[big1devin]

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[macagnavarro]

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