Chest

Question 1

SID recommended to minimize distortion of the heart

Answer 1

72 inch

Question 2

Collimation guidlines for chest xray indicate upper portion of collimation field should be at the level of

Answer 2

vertebra prominens

Question 3

two common landmarks for chest positioning

Answer 3

jugular notch and vertebra prominens

Question 4

Why have patient roll shoulders forward for a PA chest?

Answer 4

Helps remove the majority of the scapulae from lung fields

Question 5

CR location for AP supine adult chest projection

Answer 5

3-4 inches below jugular notch

Question 6

Level of the upper margin of lungs

Answer 6

vertebra prominens

Question 7

Placement of CR for PA chest

Answer 7

7 inches below vertebra prominens

Question 8

Ideal technical factors for adult chest radiography

Answer 8

120kVp, 800mA, 1/40 sec, 72 in SID

Question 9

kVp that requires use of grid for chest xray

Answer 9

100kVp or higher

Question 10

Taking the exposure on the ___ inspiration rather than ___ inspiration during ___ chest will improve inspiration of lungs and allow ribs ___ to be visualized.

Answer 10

2nd, 1st, PA, 1-10

Question 11

Physical Conditions that may produce asymmetry of sternoclavicular joints and rib cage on PA chest

Answer 11

Scoliosis and Kyphosis

Question 12

If left sc joint is closer to spine than right sc joint in PA chest, what is position error?

Answer 12

Rotation into the LAO position

Question 13

What positions will demonstrate possible air and fluid levels in the chest?

Answer 13

Erect or decubitus

Question 14

What is the disadvantage of a AP chest vs a PA chest?

Answer 14

Increased magnification of the heart

Question 15

A separation of greater than ___ of posterior ribs indicates objectionable rotation from a ____ _____.

Answer 15

1cm, true lateral