RAD 121 EXAM 1 QUESTIONS WITH VERIFIED
ANSWERS
define Position - Answers - describes how a patient is lying/standing
define Projection - Answers - the path or direction of the x-ray beam
define View - Answers - described as the radiographic image as seen by the vantage of
the image receptor
Define Central Ray - Answers - considered the center of the x-ray beam
Define density - Answers - the amount of blackness on a processed image
Define contrast - Answers - the degree of difference between the blacks and whites on
a radiograph
a minimum of ______ projections are always taken when performing imaging. -
Answers - two
Define and explain ALARA - Answers - the policy that aims to maintain the amount of
radiation exposure
- always wear personnel monitor
-should never restrain patient
-good technique
-cardinal rules: time, distance, shielding
what is the purpose of the bony thorax? - Answers - provides a protective framework for
breathing and blood circulation
what are some of the primary positioning landmarks of the chest? - Answers - vertebra
prominens, jugular notch, and xiphoid process
define respiration - Answers - the exchange of gaseous substances between the air we
breathe and our bloodstream
what are the four primary aspects of the respiratory system? - Answers - pharynx,
trachea, bronchi and lungs
what is the chief muscle of respiration? - Answers - the diaphragm
Identify the three sections of the pharynx - Answers - nasopharynx, oropharynx,
laryngopharynx
ANSWERS
define Position - Answers - describes how a patient is lying/standing
define Projection - Answers - the path or direction of the x-ray beam
define View - Answers - described as the radiographic image as seen by the vantage of
the image receptor
Define Central Ray - Answers - considered the center of the x-ray beam
Define density - Answers - the amount of blackness on a processed image
Define contrast - Answers - the degree of difference between the blacks and whites on
a radiograph
a minimum of ______ projections are always taken when performing imaging. -
Answers - two
Define and explain ALARA - Answers - the policy that aims to maintain the amount of
radiation exposure
- always wear personnel monitor
-should never restrain patient
-good technique
-cardinal rules: time, distance, shielding
what is the purpose of the bony thorax? - Answers - provides a protective framework for
breathing and blood circulation
what are some of the primary positioning landmarks of the chest? - Answers - vertebra
prominens, jugular notch, and xiphoid process
define respiration - Answers - the exchange of gaseous substances between the air we
breathe and our bloodstream
what are the four primary aspects of the respiratory system? - Answers - pharynx,
trachea, bronchi and lungs
what is the chief muscle of respiration? - Answers - the diaphragm
Identify the three sections of the pharynx - Answers - nasopharynx, oropharynx,
laryngopharynx
