LRA 213 FINAL REVIEW QUESTIONS & ANSWERS
What is the primary disadvantage of performing an AP projection of the chest rather
than a PA projection? - Answers - Increased magnification of the heart
The vertebra prominens corresponds to the level of: - Answers - C7
Which of the following anatomic structures is examined to determine rotation on a PA
chest radiograph? - Answers - symmetric appearance of sternoclavicular (SC) joints
No lead shielding is necessary for male patients or women greater than age 65 during
radiographic imaging of the chest. - Answers - False
Which of the following factors must be applied to minimize distortion of the heart? -
Answers - 72 inch SID
Of the following factors, which one is most crucial to demonstrate possible air and fluid
levels in the chest? - Answers - Patient in erect or decubitus position
Which of the following clinical indications often require the inspiration/expiration chest
series to be done? - Answers - small pneumothorax
The upper margin of the lungs is at the level of the: - Answers - vertebra prominens
Air of gas that escapes into the pleural cavity results in a condition known as: - Answers
- pneumothorax
As a general rule, the use of high kVp requires the use of a grid during chest
radiography. - Answers - True
The internal prominence or ridge in which the trachea bifurcates into the right and left
bronchi is termed the: - Answers - carina
The xiphoid process is a reliable positioning landmark for determining the lower margin
of the lungs for chest positioning. - Answers - False
Which type of body habitus typically requires that the image receptor be placed
crosswise rather than lengthwise for a posteroanterior (PA) chest? - Answers -
Hypersthenic
What type of breathing instructions should be provided to the patient for a PA projection
of the chest - Answers - Suspspend respiration on second inspiration
Why are the shoulders pressed downward and toward the IR for PA projection of the
chest? - Answers - To reduce chest rotation
, Patients can develop osteomyelitis as a postoperative complication following open heart
surgery. - Answers - True
A patient with a history of pulmonary edema comes to the radiology department and is
unable to stand. The physician suspects fluid in the left lung. Which specific projection
should be used to confirm this diagnosis? - Answers - Left lateral decubitus
A left lateral decubitus chest position (patient can't stand) should be performed for a
possible pneumothorax in the left thorax. - Answers - True
A flail chest is defined as a(an): - Answers - Pulmonary injury caused by blunt trauma
to two or more ribs
How many degrees of rotation are required for an oblique projection of the axillary ribs?
- Answers - 45
What type of central ray (CR) angle is required for the AP semi-axial projection for the
lung apices? - Answers - 15-20 degrees
A well-inspired average adult chest PA projection will have a minimum of
posterior ribs seen above the diaphragm. - Answers - 10
The lower concave area of the lung is termed the: - Answers - base
Scoliosis and kyphosis may produce asymmetry of the sternoclavicular (SC) joints and
rib cage as demonstrated on a PA chest radiograph. - Answers - True
Of the following positioning actions, which one will remove the majority of the scapula
from the lung fields? - Answers - Roll the shoulders forward
The central ray (CR) for an anteroposterior (AP) supine, adult chest projection should
be centered: - Answers - 3 to 4 inches (8 to 10 cm) below the jugular notch.
A correctly positioned lateral chest radiograph demonstrates some separation of the
posterior ribs due to the divergence of the beam. But a separation of greater than
______cm indicates objectionable rotation from a true lateral. - Answers - 1
The extreme outermost lower portion of the lung is called: - Answers - costophrenic
angle
The central area in which bronchi and blood vessels enter the lungs is called: - Answers
- hilum
Which of the following is not a form of occupational lung disease? - Answers -
tuberculosis
What is the primary disadvantage of performing an AP projection of the chest rather
than a PA projection? - Answers - Increased magnification of the heart
The vertebra prominens corresponds to the level of: - Answers - C7
Which of the following anatomic structures is examined to determine rotation on a PA
chest radiograph? - Answers - symmetric appearance of sternoclavicular (SC) joints
No lead shielding is necessary for male patients or women greater than age 65 during
radiographic imaging of the chest. - Answers - False
Which of the following factors must be applied to minimize distortion of the heart? -
Answers - 72 inch SID
Of the following factors, which one is most crucial to demonstrate possible air and fluid
levels in the chest? - Answers - Patient in erect or decubitus position
Which of the following clinical indications often require the inspiration/expiration chest
series to be done? - Answers - small pneumothorax
The upper margin of the lungs is at the level of the: - Answers - vertebra prominens
Air of gas that escapes into the pleural cavity results in a condition known as: - Answers
- pneumothorax
As a general rule, the use of high kVp requires the use of a grid during chest
radiography. - Answers - True
The internal prominence or ridge in which the trachea bifurcates into the right and left
bronchi is termed the: - Answers - carina
The xiphoid process is a reliable positioning landmark for determining the lower margin
of the lungs for chest positioning. - Answers - False
Which type of body habitus typically requires that the image receptor be placed
crosswise rather than lengthwise for a posteroanterior (PA) chest? - Answers -
Hypersthenic
What type of breathing instructions should be provided to the patient for a PA projection
of the chest - Answers - Suspspend respiration on second inspiration
Why are the shoulders pressed downward and toward the IR for PA projection of the
chest? - Answers - To reduce chest rotation
, Patients can develop osteomyelitis as a postoperative complication following open heart
surgery. - Answers - True
A patient with a history of pulmonary edema comes to the radiology department and is
unable to stand. The physician suspects fluid in the left lung. Which specific projection
should be used to confirm this diagnosis? - Answers - Left lateral decubitus
A left lateral decubitus chest position (patient can't stand) should be performed for a
possible pneumothorax in the left thorax. - Answers - True
A flail chest is defined as a(an): - Answers - Pulmonary injury caused by blunt trauma
to two or more ribs
How many degrees of rotation are required for an oblique projection of the axillary ribs?
- Answers - 45
What type of central ray (CR) angle is required for the AP semi-axial projection for the
lung apices? - Answers - 15-20 degrees
A well-inspired average adult chest PA projection will have a minimum of
posterior ribs seen above the diaphragm. - Answers - 10
The lower concave area of the lung is termed the: - Answers - base
Scoliosis and kyphosis may produce asymmetry of the sternoclavicular (SC) joints and
rib cage as demonstrated on a PA chest radiograph. - Answers - True
Of the following positioning actions, which one will remove the majority of the scapula
from the lung fields? - Answers - Roll the shoulders forward
The central ray (CR) for an anteroposterior (AP) supine, adult chest projection should
be centered: - Answers - 3 to 4 inches (8 to 10 cm) below the jugular notch.
A correctly positioned lateral chest radiograph demonstrates some separation of the
posterior ribs due to the divergence of the beam. But a separation of greater than
______cm indicates objectionable rotation from a true lateral. - Answers - 1
The extreme outermost lower portion of the lung is called: - Answers - costophrenic
angle
The central area in which bronchi and blood vessels enter the lungs is called: - Answers
- hilum
Which of the following is not a form of occupational lung disease? - Answers -
tuberculosis
