QUESTIONS AND VERIFIED ANSWERS | GRADED A+| PASS ON FIRST
Refer to the picture. What is the projection? - ANSWER Posterior anterior (PA)
What structure separates the thoracic cavity from the abdominal cavity? - ANSWER The
diaphragm
Which of the following organs are found with the mediastinum?
1) Lungs
2) Heart
3) Trachea - ANSWER Heart and Trachea
Three lobes are present in which lung? - ANSWER The right lung
What is the name of the upper portion of the lung? - ANSWER Apex
The inferior lateral corners of the lungs, visible on a PA chest radiograph, are called the: - AN-
SWER Costophrenic angles.
When taking a PA projection of the chest, the recommended source-image receptor distance
(SID) is - ANSWER 72 inches
What is the purpose of the 72-inch SID used for chest radiography? - ANSWER Minimizes
magnification of the heart shadow.
Which of the following describe the importance of using an upright position for chest radiog-
raphy?
1
Refer to the picture. What is the projection? - ANSWER Posterior anterior (PA)
What structure separates the thoracic cavity from the abdominal cavity? - ANSWER The
diaphragm
Which of the following organs are found with the mediastinum?
1) Lungs
2) Heart
3) Trachea - ANSWER Heart and Trachea
Three lobes are present in which lung? - ANSWER The right lung
What is the name of the upper portion of the lung? - ANSWER Apex
The inferior lateral corners of the lungs, visible on a PA chest radiograph, are called the: - AN-
SWER Costophrenic angles.
When taking a PA projection of the chest, the recommended source-image receptor distance
(SID) is - ANSWER 72 inches
What is the purpose of the 72-inch SID used for chest radiography? - ANSWER Minimizes
magnification of the heart shadow.
Which of the following describe the importance of using an upright position for chest radiog-
raphy?
1