RAD 121 EXAM 1 QUESTIONS AND ANSWERS 100% CORRECT

RAD 121 EXAM 1 QUESTIONS AND
ANSWERS 100% CORRECT
define Position - ANSWER-describes how a patient is lying/standing

define Projection - ANSWER-the path or direction of the x-ray beam

define View - ANSWER-described as the radiographic image as seen by the vantage of
the image receptor

Define Central Ray - ANSWER-considered the center of the x-ray beam

Define density - ANSWER-the amount of blackness on a processed image

Define contrast - ANSWER-the degree of difference between the blacks and whites on
a radiograph

a minimum of ______ projections are always taken when performing imaging. -
ANSWER-two

Define and explain ALARA - ANSWER-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? - ANSWER-provides a protective framework for
breathing and blood circulation

what are some of the primary positioning landmarks of the chest? - ANSWER-vertebra
prominens, jugular notch, and xiphoid process

define respiration - ANSWER-the exchange of gaseous substances between the air we
breathe and our bloodstream

what are the four primary aspects of the respiratory system? - ANSWER-pharynx,
trachea, bronchi and lungs

what is the chief muscle of respiration? - ANSWER-the diaphragm

Identify the three sections of the pharynx - ANSWER-nasopharynx, oropharynx,
laryngopharynx