LRA 213 EXAM STUDY GUIDE
2026/2027 COMPLETE QUESTIONS
WITH VERIFIED CORRECT ANSWERS ||
100% GUARANTEED PASS
<NEWEST VERSION>
1. No shield is necessary for male pt's or woman greater than 65 during X-ray
imaging of the chest? True or false - ANSWER ✔ False
2. The extreme outermost lower portion of the lung is called? - ANSWER ✔
Costophrenic angle
3. Which factor must be applied to minimize distortion of the heart? -
ANSWER ✔ 72 inch SID
4. Which one is most crucial to demonstrate possible air and fluid levels in the
chest? - ANSWER ✔ PT in erect or decubitus position
5. The central ray for an AP supine, adult chest projection, should be centered:
- ANSWER ✔ 3-4 inches (8-10cm) below the jugular notch
6. Which of the following objects does not have to be removed before chest X-
ray - ANSWER ✔ Glasses
,7. Which of the following clinical indications often require the inspiration/
expiration chest series to be done? - ANSWER ✔ Small pneumothorax
8. The internal prominence or ridge in which the trachea bifurcates into the
right and left bronchi is termed the - ANSWER ✔ Carina
9. The upper margin of the lungs is at the level of the - ANSWER ✔ Vertebra
prominens
10.The vertebra prominens corresponds to the level of - ANSWER ✔ C7
11.(T/F) The left anterior oblique (LAO) position of the sternum provides the
best frontal image of the sternum with minimal distortion. - ANSWER ✔
False
12.(T/F) A right or left marker may be taped over the area of interest to indicate
the location of trauma to the ribs. - ANSWER ✔ False
13.Which position can replace the RAO of the sternum if the patient cannot lie
prone? - ANSWER ✔ LPO
14.What is the recommended SID for the lateral sternum position? - ANSWER
✔ 60 to 72 inches
15.(T/F) The use of 125 kV is recommended for AP and PA projections of the
ribs to reduce skin dose. - ANSWER ✔ False
,16.What is the minimum number of ribs that must be demonstrated for a
unilateral rib study above the diaphragm? - ANSWER ✔ Ribs 1 through 10
17.(T/F) A lateral projection of the sternum requires that respiration be
suspended on expiration. - ANSWER ✔ False
18.How many degrees of rotation are required for an oblique projection of the
axillary ribs? - ANSWER ✔ 45
19.(T/F) An RAO of the SC joints projects the left joint closest to the spine. -
ANSWER ✔ False
20.Which specific oblique position best demonstrates the left sternoclavicular
joint adjacent to the spine? - ANSWER ✔ LAO
21.What are the 3 sections of the chest? - ANSWER ✔ Bony thorax, respiratory
system proper, and mediastinum.
22.What are the sections of the sternum? Where are they? - ANSWER ✔
Manubrium, body, xiphoid process
23.The vertebral prominins is at the level of? - ANSWER ✔ The vertebral
prominins is located at the level of C7 (7th cervical vertebra)
24.Parts of the respiratory system? - ANSWER ✔ Pharynx; Nasopharynx,
Oropharynx, Laryngopharynx, Trachea, Bronchi,
Lungs
, 25.Where and what is the epiglottis? - ANSWER ✔ it is attached to a part of the
thyroid cartilage and flips
down to cover the trachea during swallowing.
26.The diaphragm is divided into 2 sections - ANSWER ✔ hemidiaphragms
and is domed
27.What happens at the level of the pharynx? - ANSWER ✔ The pharynx
serves as a passageway for food and fluid as well as air,
making it common to the digestive and respiratory systems.
28.The esophagus connects to the stomach - ANSWER ✔ It begins at the distal
end of the laryngopharynx and continues downward
to the stomach, posterior to the larynx and trachea.
29.What is another word for the larynx? Where is it suspended from? -
ANSWER ✔ Voice box, it is suspended form the hyoid bone.
30.What is the main function of the bony thorax? - ANSWER ✔ To serve as an
expandable, bellows-like chamber whose interior capacity expands during
inspiration and contracts during expiration.
31.What happens to the bony thorax during inspiration? - ANSWER ✔ The
interior capacity of the bony thorax expands.
32.What happens to the bony thorax during expiration? - ANSWER ✔ The
interior capacity of the bony thorax contracts.
2026/2027 COMPLETE QUESTIONS
WITH VERIFIED CORRECT ANSWERS ||
100% GUARANTEED PASS
<NEWEST VERSION>
1. No shield is necessary for male pt's or woman greater than 65 during X-ray
imaging of the chest? True or false - ANSWER ✔ False
2. The extreme outermost lower portion of the lung is called? - ANSWER ✔
Costophrenic angle
3. Which factor must be applied to minimize distortion of the heart? -
ANSWER ✔ 72 inch SID
4. Which one is most crucial to demonstrate possible air and fluid levels in the
chest? - ANSWER ✔ PT in erect or decubitus position
5. The central ray for an AP supine, adult chest projection, should be centered:
- ANSWER ✔ 3-4 inches (8-10cm) below the jugular notch
6. Which of the following objects does not have to be removed before chest X-
ray - ANSWER ✔ Glasses
,7. Which of the following clinical indications often require the inspiration/
expiration chest series to be done? - ANSWER ✔ Small pneumothorax
8. The internal prominence or ridge in which the trachea bifurcates into the
right and left bronchi is termed the - ANSWER ✔ Carina
9. The upper margin of the lungs is at the level of the - ANSWER ✔ Vertebra
prominens
10.The vertebra prominens corresponds to the level of - ANSWER ✔ C7
11.(T/F) The left anterior oblique (LAO) position of the sternum provides the
best frontal image of the sternum with minimal distortion. - ANSWER ✔
False
12.(T/F) A right or left marker may be taped over the area of interest to indicate
the location of trauma to the ribs. - ANSWER ✔ False
13.Which position can replace the RAO of the sternum if the patient cannot lie
prone? - ANSWER ✔ LPO
14.What is the recommended SID for the lateral sternum position? - ANSWER
✔ 60 to 72 inches
15.(T/F) The use of 125 kV is recommended for AP and PA projections of the
ribs to reduce skin dose. - ANSWER ✔ False
,16.What is the minimum number of ribs that must be demonstrated for a
unilateral rib study above the diaphragm? - ANSWER ✔ Ribs 1 through 10
17.(T/F) A lateral projection of the sternum requires that respiration be
suspended on expiration. - ANSWER ✔ False
18.How many degrees of rotation are required for an oblique projection of the
axillary ribs? - ANSWER ✔ 45
19.(T/F) An RAO of the SC joints projects the left joint closest to the spine. -
ANSWER ✔ False
20.Which specific oblique position best demonstrates the left sternoclavicular
joint adjacent to the spine? - ANSWER ✔ LAO
21.What are the 3 sections of the chest? - ANSWER ✔ Bony thorax, respiratory
system proper, and mediastinum.
22.What are the sections of the sternum? Where are they? - ANSWER ✔
Manubrium, body, xiphoid process
23.The vertebral prominins is at the level of? - ANSWER ✔ The vertebral
prominins is located at the level of C7 (7th cervical vertebra)
24.Parts of the respiratory system? - ANSWER ✔ Pharynx; Nasopharynx,
Oropharynx, Laryngopharynx, Trachea, Bronchi,
Lungs
, 25.Where and what is the epiglottis? - ANSWER ✔ it is attached to a part of the
thyroid cartilage and flips
down to cover the trachea during swallowing.
26.The diaphragm is divided into 2 sections - ANSWER ✔ hemidiaphragms
and is domed
27.What happens at the level of the pharynx? - ANSWER ✔ The pharynx
serves as a passageway for food and fluid as well as air,
making it common to the digestive and respiratory systems.
28.The esophagus connects to the stomach - ANSWER ✔ It begins at the distal
end of the laryngopharynx and continues downward
to the stomach, posterior to the larynx and trachea.
29.What is another word for the larynx? Where is it suspended from? -
ANSWER ✔ Voice box, it is suspended form the hyoid bone.
30.What is the main function of the bony thorax? - ANSWER ✔ To serve as an
expandable, bellows-like chamber whose interior capacity expands during
inspiration and contracts during expiration.
31.What happens to the bony thorax during inspiration? - ANSWER ✔ The
interior capacity of the bony thorax expands.
32.What happens to the bony thorax during expiration? - ANSWER ✔ The
interior capacity of the bony thorax contracts.
